TW215124B - - Google Patents

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TW215124B
TW215124B TW079108532A TW79108532A TW215124B TW 215124 B TW215124 B TW 215124B TW 079108532 A TW079108532 A TW 079108532A TW 79108532 A TW79108532 A TW 79108532A TW 215124 B TW215124 B TW 215124B
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data
storage
storage medium
media
data block
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TW079108532A
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Digital Equipment Corp
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2082Data synchronisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2087Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring with a common controller

Description

五、發$說明(i·) 4 發明背景 本發明係有關於-種可在數位資料處 裝置間傳送數位賁料之裝置, 、統內之兩儲存 、較佳實施例他 同描述,可建立和维持所儲存资料之—^铋與一系统一 蔽f Shadow )複本,或夕個雙倍或,'遮 後本,亚經此改良儲 〜 。 W科之可利用性 -典型的數位電腦系統包括—或 以用以倚存欲被處理之资料(該资料可包2、存副糸統, 在典型的大量餘存副糸統中, 包括程式指令)。 。碟片又以選定與中心之經向距齟%上是儲存於碟片上 義通過每-軏道之特定角 &夕個轨道和定 其中每一轨道支士 士 气孓局形郅分【Sect〇rs ), ί、叫軌迢和由—或多個扃形部分組成旁& J:魏’资料卽#存於此至力部分上。‘ ·包含—空白 因為所儲存之资料可因無 此該系統已被發展成可產I 1錯誤或遭破壞,因 置於分開的諸存裝置中)組|存资料之複…常放 wj ;吾裝置中) 被破壞時,可由其餘的複“復二:複:之-中之資料 重複本郎如所知之,,遮蔽组,,f =破破壞之资料。此類多 蔽組中,错存认* Shadow Set ),在一遮 與該遮蔽組热甘 .件內的特定方塊內之資料係 通常希望便夕, 孑塊内所儲存之賁料相同·, 式),以豳t 寺存取遮蔽組C例如並聯方 矾行讀取和輸入要求(八 —種新的锤 A 3y〇 request ) 〇 上述遮蔽組中麻 件係以偶然的方式被加入 中,举例而言…望增加遮蔽組件之數目, 甲 4(210X297 乂Ά ...................................~ ..............矣..............:……:V:…^…:…< .................命 (請先閱讀背面之注意事項再填寫本页) 經濟部中央揉準局印裂 51¾4
五、發明說明(之) 改艮資料《可用枝,或者能替換 f請先閑"背面va意事項再琪穹本頁) 為所有的遮“件㈣壞之遮蔽組件 —新組件時,所有 的貪料,因而當增加 新的组侔內。 可用組件之資省皆可被複印於該 發明之概述 儲《特徵為一可傳送第-诗存媒介之資料至―第_ 、'《系統和其方法,並可用於可自遮 - 組件複印资料至一新的遮蔽組件之 ,組《―可用 實施例中,第—餘存媒介可為-或多個=例。在此較佳 …,每i存媒介又被分成許多對::,以行 此方法通常包括下列步驳··⑻讀取心=的實料方塊; 第-贲料方塊內之資料,此第一”-儲存媒介之 賁料方塊;⑻比較自上述現行資料方埃^先組成—現行 .訂. 存媒介內《錡靡賀料方塊內之抒 所比較之結果為相同者,則自餘存於:⑹若步㈣ 同賁料方塊內讀取資料,旦上”'同::=內之不 的赏料方塊,細復至步藏(b);(d) ^料万塊成為現行 "· 果不相同時,則將儲存於現行資料內艘⑹内比輕之結 儲存媒介…應資料方塊 ::贵料傳至第二 塊內之貨料,並…樣⑼。()重新讀取現行資料方 在此較佳t施例中,上述不同 g賁料方塊之賁料方塊,在— 為一都接於現行 S…二儲存媒介內之對應賁料方冑料万塊 i…接由…偃主電腦存取。此餘二;::媒介 甲 4 (210X297 公角) 5.- A6 B6 五、發$説明(3·) 存裝置。 本發明可允許 ,而不需中斷一 —遮蔽系統得以 例行的〇作用 农發明的其他 申請專利範圍而 較佳實施例之説 圖式 首先簡要説明 圖一為本發明 經 濟 部 中 央 採 準 局 印 裝 圖2 圖5 結構和 參考 電腦9 包括缓 由一通 通常以 顯示為 上述 要求並 包括一 憶器) —4為用 為本發明 操作 圖1所示 ,其中 衝儲存器 信介面16. 參考數17. 兩個副系 餚存副系 構成遮蔽 缓衝器22 ,處理器 =自^存騎0卩至—*二*存媒介 ,夕個王電腦對遮蔽組之I/O作用。ρ 錐持其對資料之i大利用性,$不會中斷 ’亚提供—致和正確的結果。 優點和特徵可由下述之詳細説明釦 顯見。 又後< 明 圖式。 < —遮蔽組儲存系統。 於本發明之資料結構。 便用之方法的流程圖。- ,一便用本發明之 主電腦9各包含— )和—通訊介面14 (例如—本質電路 表示之兩個或多個 统) 〇 統各包、含.—3控制 組之組件之碟片控 ,—處理器24.和記 24.接受來自主電腦 遮蔽系統包含多數個 處理器1〇· *記憶禮J2 ,每一主電腦皆流拓 Virtual Circuit ) 儲令副系統連接【圖 —或多個碟片2α之I 制器ιρ· »蝶片控制為 憶器26« (例如揮發括 9·之1^0要求,並拍 f請先¾¾背面之注意事項再¾¾本頁) - •故· •訂. .練. 彳 4(210X 297公沒)
五、發,叼(4.) 讀取和%入碟片 經 濟 ip 中 央 搮 準 局 印 裝 前瞀存儲存所接 料因對靡-讀取 中讀取之貨料。 26,內。 每—主電腦9. 腦9.需要執行之 餘存副系統17.執 緩是否可用,那 詳細説明,若資 胳9將稍微改變 何前行操作之狀 每—儲存次系 不同儲存次系統 .片控制器存取兩 Control Point #有一共用爲中 主電腦將無法達 ,遮蔽組件係 片控制器18.) 經其他碟片控制 當一主電腦希 式如圖2 A所示 之"指令參考數 之作用,緩衝器22.疰賁料被輸入—碟片汾 收之資料和一讀取指令,缓衝器泛也在資 资料而祓傳送至主電腦前儲存由一碟片汾 處理器24.將不同種類之賁料儲存於託憶器 在其記憶器12內皆將儲存—包含有關主電 許多操作之资料表。例如,主電腦9會對 行讀取和輸入作用,且必須知道餚存次系 一碟片被儲存於此副系統内等。下文將更 料正自—遮蔽組件傳至另—組件時,主電 讀寫作用之步驟。因此,該表㈣存與任 蟪資料。此表也包含其他的標準資料。 統可包括多個4片2α,.遮蔽組件可祓選為 內之磘片。因此,主電腦不會經相同的碟 個遮蔽組件,此將避免-"失敗中點"f Of Fa 1 lUre ),換句話説,若遮蔽組件 央控制器,且該控制器不毹正常運作時, 續執行任何V0作用,但是在此較佳系統 「被分配丨仏.甘士 J的,其中—元件失誤時f如― 將無法阻止V0之作用,因為該作用仍可 器存取之、遮蔽組件執行。 — 望將貧料輸入遮蔽組時,該主電腦将便格 ,4曰令生故,此指令包括—獨特確認指令 攔和—確認資料被输入之單元的"輩元 A6 B6 五、發明説明(5.) 數〃攔,主電腦以通當的位元數使用於每一碟片i組成遮 蔽組之分開的輸入指令生效’指令碼欄確定椋作是否為— 输入作用,"—位數,,棚指示被輸入之資料的所有位元 數和"邏辑方塊數I指示碟片開始的位|,,,緩衝器描述 爸指不包含被輸入之资料的主記憶器泛內之位窀。 -讀取指令之格式如圏2 B所示,包含與輸入指令攔相 似之攔位。對—讀取指令來説,緩衝器描述器包含主記憶 器12內自碟片讀取之貧料被儲存之位置。 一旦一主電腦傳送一讀取或輪 , -饰入;ί曰令時,認指令乃由碟 片控制器18.接收,且該控制器 _ w备18.作為在"卑元數"欄內之 碟片,對一輸入指令而言,碟# λ 唯>r控制鉍3便其碟片如貢施 此输入作用,益傳送一"紝$ ώ ,, 亚犄圯 &果訊息"至原始的主電腦,該 輸入指令結束訊息之格式如圖 、1圓3 Δ所不·,此結束訊息包括 —狀態網,以通知主電腦該指 扣令疋否已成功完成,若输入 作用失敗,該狀態攔可視失 人哎疋特性包括錯誤資訊。异” 第一不好的方塊(u 、 4 bad bl〇ck )攔指示該碟片上 被破壞之第-方塊f若有的話)之位址。 對一讀取指令而言,碟迠 . 、控制器將自其碟片讀取要求赏 料,並將該貧料傳送套居上, . 得之原姑主電腦的記憶器12中,一結束 訊息R時也在〜讀取指令之後由碟片控制器產生,益送至 經 濟 部 中 央 搮 準 局 印 裝 上述原始王電腦,該讀取讀令結束訊息的格式如圖3 B所 示。此讀取指令鋒走%自 釔束矾息與輪入指令之結束訊息類似。 如上所解释者,太金 '統在兩個遮蔽組件間傳送赏訊時係 利用 比主曾B2S f, AS 4s z 電Μ的刼作,用於"比較主電腦,,操作之 f 4(210X 297 公沒) 8·—
五、發$說明(6.) 經 濟 部 央 橾 準 局 印 裝 指令詋息格式如圏4 A Pfr - ^ 所尔。此比較主電腦,'梅任# _ 支抟為"單元數〃棚位之雄 ·、作杉不 緩衡器描述器,,內的主命樯w、 _ ^ 、馬 死隐鉍疋一區域內之資料與儲在 於由"運辑方塊數,,* ,, _ 、 存於 尾數^位兀計數"棚位設定處之碟片 内孓實料比較。 .碌h 接收上述f,比較主雷聰„ _ 主……W 令…控制器以讀取來自 思备之μ ,讀取由碟片之確認區域之資料和比 較讀自主電腦之資料及靖 靖自碟扦之資料等方式執行被要皮 乏操作。碟片控制器接著 ^ 々l 著便—至寻電腦之結束訊息f其格 式如圖4 B所示)生效 而使比較主電腦,,指令生效。 孩結束訊息之狀態攔將户_ ^碉将扎不所比較之實料是否相同。 當增加一新的組件*被紅如〇土 汗至遮蔽組時f卽一新的碟片2α ),該 条統會選擇一主處理器執行 灯所茜孓處理-,以使新的組件具 有餘存於遮蔽組的有效组件 玟钽忤芝所有資料,該主處理器會選 擇一有效組件,使其作用如 ^ .. ^ '原",接著複印該源內 所有不同於靳組件之資料的資料,至該靳組件或,,目標" 便用农發明之方法,赏料可以傳送至該新組件中,而 .需中斷务他主處理器與遮蔽如ω ^ 、 备矜敵組間之正常v〇作用,此举 可確使後製期間遮齡组内資料分& 艰故組内HI种 < 备何改變皆可送至此新的 組件內。 特別地説來,自〜嘴傳、送資料 Μ· Α料至〜新組件或目標之方法 接著散以一次讀取叢集,, .自源 系 C cluster )之方式#取赏 料方塊 (〜 丨 .〇r * - luSte表不〜預定數目之賁料瑰),並 將讀取之賁料與儲目標中 仔於 相%位置_之資料比較。若在 甲4(21〇X 297父角) {請先聞讀背面之注意事項再填"本页) k· *打· •綠· i 五、發”説明(7.) 兩相對叢集內之賁料相同,則處理 ^ Γ 一笈集。否則,由源 讀取之资料會被輸入目標中,主處 及理鉍亦會以相同的叢集 再次執行比較作用。在資料之此相 ^ ^ U夏某中進行第二次比 較乃必須的,因為在增加一新組件 忏艾作用期間,遮蔽組可 尉具他王處理器執行1/〇作用。換 伏巧話说,當加入一新組 件時,I/O作用f例如自系統之 必姐这 4 尾理表執行輸入作用) 將繼續在遮蔽組進行,纟无彼不是所 A & 疋所有的目標賁料皆與遮蔽 •賁料㈣,因此讀取指令可以對任何有故組件執行,但 =目標執行,因為—檢入作用可能發生於系統自源讀取 賁料後和系统將賁料輸入於目標之 、 則因而可能使已淘灰 疋贲料輸入目標内,也就是説, 若遮蔽組內之資料恰在主 處理器將資料輸入目榇之 將為作廢者。 I新,則寫入目襟之資料 因此,該糸統在將資料輸入目標之後會對上述 ;資料叢集執行第二個比較作用。依此方法,若源已被: ’且目榇因疏忽而被輸入作廢資料時,此第二比較作用 將相測其差別,並將重袭新人作 重復輸入作用,以提供更新後之資料 至目標内,只有在兩個裳集具有相同貧料時,處理 以移至次一资料叢集。 可 經 濟 部 中 央 搮 準 局 印 製 原理上相同的叢集3能被比較和输入許多次。例如 果有—特別的經常輸人棺、或貧料塊經常被改變時 叢集和目裙貧料叢集將始終不能—致,為了防止系2料 無限多的-路重覆比較和輸入作用,則便用一重 和输入作用,則便用-"重覆裳集計數"…該::: 甲4(210X 297公沒) 經 濟 部 中 央 揉 準 局 印 製 五、發明說明(8.) 被執行之次數。 二零,而每在資料自源输入目椽後則〜 數被監測,以決定是否已遠到預設 當系統移至—新的赏糞咕, L界數目, 贫i 集時,則計數重設。因此,若相同“ 叢集連續與目標比較和仏 ]的 界η 翰入該目榇時,計數顯與免漬 :值…統接著會減少震集的大… 比、 用,減少裳集的大小將更可能便兩組件之叢集:較作 —較小尺寸之叢集內的貧料㈣可能因自 而改變。畲最後獲得_成功比較時 各輸入 次倚存於其先前值上。 以“大小會被再 如前所述,料蔽組之W㈣在—新組 繼績進行,但是,主雷腦y & > & 冒加時仍可 、电 4必輕執行—種讀寫”作今 知寫才式便其保證當增加—新組件時,所有被〜: 碟之邏辑方塊內之资料得輿包含於源則內之:資料 若王電腦使I/O指令平行生故,如 -致’ 複印方法f施後,有可能源和 ^ ,則在前述 避免貧㈣能錯誤,主電腦料不能一致,為 操作在同樣操作對目標磁亦 啼又址<輸入 如前所解释者,每一個主 生玫和完成。 电袖在倚存一 主電腦必須迺當操作之货料 j句在此系統中 。例如一 _ 成遮蔽組之磁碟有關之資扇怎 一衣骑包括與組 具祝等。該表亦儲存 通知主電腦是否正增加—新組 抒狀怒貧說,以 主電腦對遮蔽組執行VO操作 ' 蔽組中。因此,在一 格内之狀態攔,若該主電腦 ^王電腦特檢查其表 、'一新組件正祓加入時,則 甲 4(210X297公沒) (场先¾¾计面V注意事项再填奪本頁 k. •打· •線. %
A6 B6 0- 濟 邳 中 搮 準 立、發p説明(9.) 多電腦會執行如上訏論之特殊步驟,以避免可能的資料失 课。該表可要求開始增加一新組件之步騍的主啻腦送出〜 訊息至該系統内的其他主電腦中,以通知每一主電腦勒行 該操作。正控制增加靳組件作用之主電腦不會開始傳送 资料至該新組件,菹到它接受到來自各主電腦之確認每〜 多電腦已反靡系統之新狀態而更赉其表内容時為止。同理 ,一控制増加靳組件作用之主電腦在新組件已增加克成時 ,将送出一訊息至每—主電腦,且具有與遮蔽組—致之資 料。在接收到效訊息時,每—主電腦則重新以並行方式執 行一般的I/O要求作用。 本發月《万法刁由參考圓5所示之流程圖而得詳細説明 主賴首先起始兩個計數器:—,'舅叢集計數器 e .重m¥十數器f步欺】^ 、 .^ 7骤1 )。晏料叢集計數器被用以便 身一遮蔽組件內之梦僮 w當遇二:且當起動時,可便賁料的第 内之每一叢集一致和叢集計數器增量時,接著可使遮蔽組 接著,主電腦遝摆 你作為目標c节 遮蔽組件以作為琢,而新的組 件作為均標C步樣2、 。王電腦然後便—如圖 讀取指令% —作爲书士 _ U 2 B所不旻 、 4之碟片控制器(與指令之,,蕈元組# "攔同)生效,而皂兮芝卑兄組件 向要永與'邏轉麄集計數器一致之r隼内始 資料被讀取並傳送i 士 . ^ 筑义的 王記憶體内C步艘3 ) 〇 作為源之碟片控制器將接受上 相同的貧料至其緩舞 日々,而自源讀取 22 ’且傳❹㈣至主㈣器12中 ^4(210〆 297公发) f請先閑#背面<注意事項再填寫本页) •訂· •線· A6 B6 經 濟 部 中 棣 準 局 印 製 五、發明说明(10.) s 和便一通知主 2B)生效f夕騍4) 在 驟5 指令,以比 集內之赏料r步驟6 ) 目標接收到比較主電腦指令,且執行該比較作用,並對 主電腦生效一結束訊息f見圖4 B ),以指示比較的結果 ί步驟7 )。 在步驟8主要電腦接受結束訊息,益決定由比較主電腦 指令所比較之貧料是否—致。若所比較之賁料—致,則通 輯叢集計數器被測試看其是否等於所決定之最後—個數字 "旨示所有賁料叢集已被處理),(步.驟9 ),若選辑叢 、十數器等於裒後數字’則處理完成。否則,邏辑叢 :增量,重覆叢集計數器被重毅f步.…,該方法心 步騍3,ϋ開始處理下一叢集。 · ^ 考所比較之f拉了 , 、致(見歩驟8),主電腦會產生— 圖2 A所示之新久扭人, 在 ^曰+至目標的碟片控制器,指示 制為输入由源讀取之 、此控 $ . _ 貧料,益以步驟4之方式將該資缸 至王電腦至與遇輯爹隹.丄 w a貧枓送 内之虚 集計數器—致之目榡部分(卽, 円 < 與源之資料自 ϋ榡 此讀出之叢集對應之叢集)〇 用作目標之碟拌Λ 取杳虹 、担制器接收該輸入指令,自士 4 b 取貪料,並將該资料^ 自王記憶器讀 司插部分,及冑、:與現存的邏辑叢集計數器〜 王電腦M —結rn、(步驟12 )。 i 電腦辑讀取指令已被執行之結束訊息r見圖J 玉双,)〇 主電猫接收到和不來自源之資料已在主記憶器J2 f步 )之結束訊息後,主電腦將對目榡生故一比較主電腦 ,以比較自源讀取之資料和儲存於目標内相同澳辑叢 r ^fr m a \ ^ 甲 4(2ΐ〇χ 297Ί) (請先聞讀背面之注意事項再填珥本页) •裝. •打· .綠· 13. 五、
發3說明(1U
主電腦接收指示輸入作用已完成之結束訊 ,增量重覆叢集計數器,並決定是 . 〗3·) —脸w 疋否重蓋震集計數器大於 每界U穸騍M·】。如前所述,若 : 〈次數,則重覆叢集計數器將達 疋 會因之減小(步驟15. ) 〇 且叢集疋尺寸 系統然後不、需更新遥辑叢集計數而 辑;JT直二J·私S? A A * J,嫌3 ο #无然邏 集4數备未被更新,主電腦 % '汉'司’原讀取相间當· 某,並對此相同叢集對目樟執 頁相丨JjK: 保執行王電腦比教作用。 上述之實施例只為一較佳之例示 修正,而不脱離本發明之精神…而可作不同 便侍若被冒加至遮蔽組之新碟片已知 何資料與遮蔽組的利用組件之 僅有^數或無饪 行之第一次可省略步驟6.〜 致時,則每一叢集執 之作用。換句話説,若新碟’因而未予執行比較主電爛 石敢牙扣已知包含 肩之貧料騎,第一次比敕φ & 、同於存在遮蔽組 τ / 電腦作用的結杲珂不勿d 執#丄但是,若被增加之 /果可予忽略,且 遮蔽組內者,則其大部 、托為〜以最近通過位於 、p刀贫料特虫遮絡 且比較主電腦操作3座象 八 組内之實料一致, 在第〜次郎執行。 因此,本發明之範疇只可以 。 付列之申請專利範圍限制之 (請先聞讀背面之注意事項再填寫本頁} ,故· -打· .綵, 經濟部中央搮準馬印製 甲 4 (210X297 公沒)

Claims (1)

  1. 經濟部中央標準局印裝 猫|:巧i 六、申請專利範面 ~種於第一儲存媒介與第二儲存媒介間.轉準資料之方法 ,至少該第一儲存媒介可存取於一或多個主處理器以作 包括將資料寫至該第一儲存媒介之I/O操作,每一之該 儲存媒介均含有資料塊,該第一儲存媒介至少有部分之 資料塊具有該第二儲存媒介之對應資料塊,該方法包括 下列步驟: (a) 讀取存於該第一儲存媒介內一第一資料塊之資料, 該第一資料塊最先構成一現行資料塊; <b) 比較自該現行資料塊謓得之資料與儲存於該第二儲 存媒介内一對應資料塊之資料; 若步驟⑸比較之資料係相同者,則讀取儲存於該第 一儲存媒介另外資料塊之資料,該另外資料塊變成 現行資料塊*並回到步驟(b); (d> 若步驟⑸比較之資料不相同,則藉著該儲存媒介間 資料之轉換而修正存於一該儲存媒介內之資料,而 使該目前資料塊之資料,同於該第二儲存媒介該對 應資料塊内之資料,而能維持著由該一或多主處理 器存取該第一儲存媒介之該I/O搡作;以及 (e) 重新謓取該目前資料塊之資料,並回到步驟(b>。 2 根據申請專利範圍第1項之方法,其中修正之步驟包括 修正在第二儲存媒介內之資料。 3.根據申請專利範圍第2項之方法,其中修正步驟包含將 自第一儲存媒介之現行資料瑰讀取之資料输至第二儲存 媒介之對應資料塊。 f 4(210X297 公;¥) (請先閱讀背面之注意事項再填寫本頁) •装· Α7 Β7 C7 D7 六、申請專利葩園 4. 根據申請專利範圍第1項之方法’其中該不同的資料塊 為一鄰4於現行資料塊之資料媒。 5· 根據申請專利範圍第1項之方法’其中在第一儲存媒介 内之每一資料塊被與第二儲存媒介之相應資料塊比較。 6- 根據申請專利範圍第1項之方法’其中每—儲存媒介皆 為儲存媒介遮蔽姐之姐件。 7- 根據申請專利範圍第6項之方法,其中每一儲存媒介可 直接由一主處理器存取。 a 根據申請專利範圍第6項之方法’其中每一儲存媒介皆 可直接各由多數個主處理器存取。 a 根據申請專利範圍第1項之方法·其中該儲存媒介為磲 片儲存裝置。 《 ’ m : —種管理儲存媒介,其可為一或多個主處理器所存取以 'l 〜 作包含將資料寫至其處之I/O操作,一遮蔽姐之方法’ 每一該儲存媒介均有儲存位置,至少其中某些位置對應 於另一該儲存媒介之儲存位置·該方法包括下列步驟: (請先閲讀背面之注意事項再填寫本頁) A. B . 經濟部中央標準局印裝 分別地對存於該多數個儲存媒介內該對應胃 料,實行連續之比較;以反 於至少一者該儲存媒介上執行管理搡作’對每個其 比較指示該對應位置内資料不同之該對應位®而言 ,該管理操作包含: a.自該儲存媒介位置之第一者而讀取資料’且將 甲 4(210X297 公尨) 215124 A7 B7 C7 D7 六、申請專利苑園 經濟部中央橾準局印裝 該資料寫入該儲存媒介一第二者之對應位置, 而能維持該一或多主處理器對該至少第一儲存 媒介存取之該I/O操作; b. 於該寫入完成後,比較該對應位置内之資料, Μ決定該對應位置內之資料是否一致;Μ及 c. 如步驟b之比較顯示於該對應位置之資料不一 致時,重複步驟a ,否則结束對該儲存位置之 \ 該管理操作。 j —種管理儲存媒介,可為一或多個主處理器所存取K作 包含將資料寫至其處之、I/O操作* 一遮蔽姐之装置·每 \ 一該儲存媒介均有儲存位置,至少某些位置對應於另一 該儲存媒介之儲存位置,包括: 装置,用Μ分別地對該多數儲存媒介內該對應位置之資 料,實行連續之比較;以及 裝置,響應於該比較,以便於至少一者該儲存媒介上執 行管理搡作,對每個其比較指示該對應位置內資料不同 之該對應位置而言,該管理操作包含: a. 自該儲存媒介第一者之位置讀取資料,且將該資料 寫入該儲存媒介一第二者之對應位置*而能維持該 一或多主處理器對該至少第一儲存媒介存取之該 I/O操作; b. 於該寫入完成後,比較該對應位置内之資料’以決 定該對應位置内之資料是否一致;Μ及 c. 如步驟b之比較顯示該對應位置之資料不一致時* (請先聞讀背面之注意事項再填寫本頁) -装· .打· ,線· f 4(210X297公沒) 215124 A7 B7 C7 D7 申請專利範® 經濟部中央標準局印?<· 重複步驟a ,否則$束對該儲存位置$該管®搡作 〇 —種含有可為一或多主處理器讀取之一儲存設置之裝置 *該儲存設置具有記錄於其上之程式標記’供控制該主 處理器之搡作,使該主處理器能管理_能為—或多該主處 理器所存取之儲存媒介遮蔽姐’作為包含將資料寫至其 處之I/O操作,每一該儲存1媒介均有'儲存:位置’至少有 一些位置對應於另外該儲存媒介之儲存位置*該程式指 標包含: 一比較模姐標記’能使該主處理器之一者’自該儲存設 置内讀取該標記’ W分別地連續比較儲存於該多個儲存 媒介内該對應位置之資料;以及 一管理横姐標記,能使該主處理器之一者自該儲存設置 謓取該標記,Μ實施至少一者該儲存媒介之管理操作, 對每涸其比較指示該對應位置內資料不同之該對應位置 而言,該管理操作包含: a. 自該儲存媒介第一者之位置謅取資料,且將該資料 寫入該儲存媒介一第二者之對應位置,而能維持該 一或多主處理器對該至少第一儲存媒介存取之該 I / 0操作; b . 於該寫入完成後,比較該對應位置内之資料,K決 定該對應位置內之資料是否一致;以及 c . 如步驟b之比較顯示該對應位置之資料不一致時, 重複步驟a ,否則结束對該儲存位置之該管理操作 (請先閱碛背面之注意事項再填宵本页) .打· _線· 74(210X297 公;¥) A t B7 C7 D7 、、申請專利範圍 ia 根據申請專利範圍第1項之方法,其中每一該主處理器 能將任何對該儲存媒介之寫入請求首先傅送至該第一儲 存媒介中,且當該對第一儲存媒介之寫入請求已完成後 ,會傳送該寫入請求至該第二儲存媒介中。 u· 根據申請專利範圍第1項之方法,其中每一主處理器各 維持一具有情報之表,能使該主處理器決定是否該資料 轉換係發生於該儲存媒介之間。 15· 根據申請專利範圍第10項之方法,其中每一儲存媒介可 直接由每一主處理器存取。 16- 根據申請專利範圍第10項之方法,其中每一主處理器可 先傳送對該儲存媒介之任何寫入請求至該儲存媒介之一 ,且當該對該儲存媒介之一的寫入請求完成後,可將該 寫人請求傳送至另一儲存媒中。 17- 根據申請專利範圍第10項之方法,其中每一主處理器各 維持一具有情報之表,能使該主處理器決定是否該管理 操作正賁行於該遮蔽組內之一或多該儲存媒介。 18- 根據申請專利範圍第10項之方法,其中步驟B(b)包含重 新自該儲存媒介之一的位置處讀取資料,並比較該重謅 之資料與儲存於另一儲存媒介之相應位置内之資料之步 驟。 ia 根據申請專利範圍第項之方法,其中步驟B(a)和 經濟部中央標準局印裝 (請先閲磺背面之注意事項再滇寫本頁} B(b)對相同的對應位置重覆作用,直到儲存於該對應位 置之資料已為相同時為止。 甲 4(210X297 公濩) 六' 申請專利範® Α7 Β7 C7 D7 首一該 各理 可 含置應 作用 器之將 器管 介 包位相 操作 理介, 理該 媒 作之之 理較 處媒後 處否 存 .操一介 處比 主存成 主是。儲 理之媒 行和 一儲完 一 定介一 處介存 執取。 每該已 每決媒每 該媒儲 該讀止 中至求 中器存中 .中存 一 中述為 其求請 其理儲其 其儲另 其上同 ,請入。,處該, ,該與 -複相 法入寫中法主多法 置自料 置重料 方输之介方該或方。裝來資 裝迴資 之之一媒之使一之之之讀之 之遞之 項介之存項能内項取項重讀 項置置 11媒介儲11,姐11存11後重11位位 第存媒 一第表蔽第器第成該 第應應 圍儲存另圍之遮圍理圍完較 圍對相 範該儲至範報該範處範料比。範的該 利對該送利情於利主利資並料利同芦 專何對傳專有行專 一 專入,資專相存 請任該求請具賁請每請寫料之請對儲 申送當要申一正申由申述資內申置到 據傳且求據持作據接據上之置據裝直 根先,請根維操根直根在内位根之, 20.21222a24 (請先閱讀背面之注意事項再瑱寫本頁) 經濟部中央標準局印裝 甲 4(210X297 公廣)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761520A (en) * 1994-12-06 1998-06-02 Mitsubishi Denki Kabushiki Kaisha Data processing method

Families Citing this family (394)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0541281B1 (en) * 1991-11-04 1998-04-29 Commvault Systems, Inc. Incremental-computer-file backup using signatures
US5553307A (en) * 1992-04-17 1996-09-03 Hitachi, Ltd. Method and device for transferring noncontiguous blocks in one transfer start by creating bit-map indicating which block is to be transferred
DE19612206A1 (de) * 1996-03-27 1997-10-02 Siemens Nixdorf Inf Syst Datenverarbeitungsanlage mit peripherem Datenspeicher
US7581077B2 (en) 1997-10-30 2009-08-25 Commvault Systems, Inc. Method and system for transferring data in a storage operation
US7209972B1 (en) 1997-10-30 2007-04-24 Commvault Systems, Inc. High speed data transfer mechanism
US6418478B1 (en) 1997-10-30 2002-07-09 Commvault Systems, Inc. Pipelined high speed data transfer mechanism
US7739381B2 (en) 1998-03-11 2010-06-15 Commvault Systems, Inc. System and method for providing encryption in storage operations in a storage network, such as for use by application service providers that provide data storage services
US7277941B2 (en) 1998-03-11 2007-10-02 Commvault Systems, Inc. System and method for providing encryption in a storage network by storing a secured encryption key with encrypted archive data in an archive storage device
US7035880B1 (en) 1999-07-14 2006-04-25 Commvault Systems, Inc. Modular backup and retrieval system used in conjunction with a storage area network
US7395282B1 (en) 1999-07-15 2008-07-01 Commvault Systems, Inc. Hierarchical backup and retrieval system
US7389311B1 (en) 1999-07-15 2008-06-17 Commvault Systems, Inc. Modular backup and retrieval system
US7434219B2 (en) 2000-01-31 2008-10-07 Commvault Systems, Inc. Storage of application specific profiles correlating to document versions
US7003641B2 (en) 2000-01-31 2006-02-21 Commvault Systems, Inc. Logical view with granular access to exchange data managed by a modular data and storage management system
US7155481B2 (en) 2000-01-31 2006-12-26 Commvault Systems, Inc. Email attachment management in a computer system
US6658436B2 (en) 2000-01-31 2003-12-02 Commvault Systems, Inc. Logical view and access to data managed by a modular data and storage management system
US7107298B2 (en) 2001-09-28 2006-09-12 Commvault Systems, Inc. System and method for archiving objects in an information store
DE60232165D1 (de) 2001-09-28 2009-06-10 Commvault Systems Inc System und verfahren zur erzeugung und verwaltung von schnellwiederherstellungsvolumen
US8346733B2 (en) 2006-12-22 2013-01-01 Commvault Systems, Inc. Systems and methods of media management, such as management of media to and from a media storage library
US7603518B2 (en) 2005-12-19 2009-10-13 Commvault Systems, Inc. System and method for improved media identification in a storage device
US7584227B2 (en) 2005-12-19 2009-09-01 Commvault Systems, Inc. System and method for containerized data storage and tracking
WO2003046721A1 (en) 2001-11-23 2003-06-05 Commvault Systems, Inc. Selective data replication system and method
US7130970B2 (en) 2002-09-09 2006-10-31 Commvault Systems, Inc. Dynamic storage device pooling in a computer system
AU2003272457A1 (en) 2002-09-16 2004-04-30 Commvault Systems, Inc. System and method for blind media support
US8370542B2 (en) 2002-09-16 2013-02-05 Commvault Systems, Inc. Combined stream auxiliary copy system and method
EP1579331A4 (en) 2002-10-07 2007-05-23 Commvault Systems Inc SYSTEM AND METHOD FOR MANAGING SAVED DATA
WO2004090789A2 (en) 2003-04-03 2004-10-21 Commvault Systems, Inc. System and method for extended media retention
US7631351B2 (en) 2003-04-03 2009-12-08 Commvault Systems, Inc. System and method for performing storage operations through a firewall
EP1625526B1 (en) 2003-04-03 2012-10-03 Commvault Systems, Inc. System and method for dynamically performing storage operations in a computer network
US7454569B2 (en) 2003-06-25 2008-11-18 Commvault Systems, Inc. Hierarchical system and method for performing storage operations in a computer network
US7613748B2 (en) 2003-11-13 2009-11-03 Commvault Systems, Inc. Stored data reverification management system and method
CA2546304A1 (en) 2003-11-13 2005-05-26 Commvault Systems, Inc. System and method for performing an image level snapshot and for restoring partial volume data
US7546324B2 (en) 2003-11-13 2009-06-09 Commvault Systems, Inc. Systems and methods for performing storage operations using network attached storage
US7734578B2 (en) 2003-11-13 2010-06-08 Comm Vault Systems, Inc. System and method for performing integrated storage operations
US7440982B2 (en) 2003-11-13 2008-10-21 Commvault Systems, Inc. System and method for stored data archive verification
CA2544063C (en) 2003-11-13 2013-09-10 Commvault Systems, Inc. System and method for combining data streams in pilelined storage operations in a storage network
CA2564967C (en) 2004-04-30 2014-09-30 Commvault Systems, Inc. Hierarchical systems and methods for providing a unified view of storage information
US8266406B2 (en) 2004-04-30 2012-09-11 Commvault Systems, Inc. System and method for allocation of organizational resources
US7500053B1 (en) 2004-11-05 2009-03-03 Commvvault Systems, Inc. Method and system for grouping storage system components
WO2006053050A2 (en) 2004-11-08 2006-05-18 Commvault Systems, Inc. System and method for performing auxiliary storage operations
US8959299B2 (en) 2004-11-15 2015-02-17 Commvault Systems, Inc. Using a snapshot as a data source
US8775823B2 (en) 2006-12-29 2014-07-08 Commvault Systems, Inc. System and method for encrypting secondary copies of data
US8112605B2 (en) 2005-05-02 2012-02-07 Commvault Systems, Inc. System and method for allocation of organizational resources
US7822749B2 (en) 2005-11-28 2010-10-26 Commvault Systems, Inc. Systems and methods for classifying and transferring information in a storage network
US7668884B2 (en) 2005-11-28 2010-02-23 Commvault Systems, Inc. Systems and methods for classifying and transferring information in a storage network
US8572330B2 (en) 2005-12-19 2013-10-29 Commvault Systems, Inc. Systems and methods for granular resource management in a storage network
US7457790B2 (en) 2005-12-19 2008-11-25 Commvault Systems, Inc. Extensible configuration engine system and method
EP1974296B8 (en) 2005-12-19 2016-09-21 Commvault Systems, Inc. Systems and methods for performing data replication
US7617262B2 (en) 2005-12-19 2009-11-10 Commvault Systems, Inc. Systems and methods for monitoring application data in a data replication system
US7606844B2 (en) 2005-12-19 2009-10-20 Commvault Systems, Inc. System and method for performing replication copy storage operations
US20110010518A1 (en) 2005-12-19 2011-01-13 Srinivas Kavuri Systems and Methods for Migrating Components in a Hierarchical Storage Network
US20200257596A1 (en) 2005-12-19 2020-08-13 Commvault Systems, Inc. Systems and methods of unified reconstruction in storage systems
US7636743B2 (en) 2005-12-19 2009-12-22 Commvault Systems, Inc. Pathname translation in a data replication system
US7543125B2 (en) 2005-12-19 2009-06-02 Commvault Systems, Inc. System and method for performing time-flexible calendric storage operations
US8661216B2 (en) 2005-12-19 2014-02-25 Commvault Systems, Inc. Systems and methods for migrating components in a hierarchical storage network
US7617253B2 (en) 2005-12-19 2009-11-10 Commvault Systems, Inc. Destination systems and methods for performing data replication
EP1974490A4 (en) 2005-12-19 2012-01-18 Commvault Systems Inc SYSTEM AND METHOD FOR APPLYING DIGITAL CONTENT A FLEXIBLE LICENSE ASSIGNMENT PROCEDURE
US7651593B2 (en) 2005-12-19 2010-01-26 Commvault Systems, Inc. Systems and methods for performing data replication
US7962709B2 (en) 2005-12-19 2011-06-14 Commvault Systems, Inc. Network redirector systems and methods for performing data replication
US7620710B2 (en) 2005-12-19 2009-11-17 Commvault Systems, Inc. System and method for performing multi-path storage operations
US8930496B2 (en) 2005-12-19 2015-01-06 Commvault Systems, Inc. Systems and methods of unified reconstruction in storage systems
US8726242B2 (en) 2006-07-27 2014-05-13 Commvault Systems, Inc. Systems and methods for continuous data replication
US7539783B2 (en) 2006-09-22 2009-05-26 Commvault Systems, Inc. Systems and methods of media management, such as management of media to and from a media storage library, including removable media
US8655914B2 (en) 2006-10-17 2014-02-18 Commvault Systems, Inc. System and method for storage operation access security
US7882077B2 (en) 2006-10-17 2011-02-01 Commvault Systems, Inc. Method and system for offline indexing of content and classifying stored data
CN101529419B (zh) 2006-10-17 2013-05-01 慷孚系统公司 用于对内容进行离线索引和对存储的数据进行分类的方法和系统
US8370442B2 (en) 2008-08-29 2013-02-05 Commvault Systems, Inc. Method and system for leveraging identified changes to a mail server
EP2102750B1 (en) 2006-12-04 2014-11-05 Commvault Systems, Inc. System and method for creating copies of data, such as archive copies
US8677091B2 (en) 2006-12-18 2014-03-18 Commvault Systems, Inc. Writing data and storage system specific metadata to network attached storage device
US8312323B2 (en) 2006-12-22 2012-11-13 Commvault Systems, Inc. Systems and methods for remote monitoring in a computer network and reporting a failed migration operation without accessing the data being moved
US7840537B2 (en) 2006-12-22 2010-11-23 Commvault Systems, Inc. System and method for storing redundant information
US7831766B2 (en) 2006-12-22 2010-11-09 Comm Vault Systems, Inc. Systems and methods of data storage management, such as pre-allocation of storage space
US8719809B2 (en) 2006-12-22 2014-05-06 Commvault Systems, Inc. Point in time rollback and un-installation of software
US20080228771A1 (en) 2006-12-22 2008-09-18 Commvault Systems, Inc. Method and system for searching stored data
US7734669B2 (en) 2006-12-22 2010-06-08 Commvault Systems, Inc. Managing copies of data
US7831566B2 (en) 2006-12-22 2010-11-09 Commvault Systems, Inc. Systems and methods of hierarchical storage management, such as global management of storage operations
US8290808B2 (en) 2007-03-09 2012-10-16 Commvault Systems, Inc. System and method for automating customer-validated statement of work for a data storage environment
CN103123702B (zh) 2007-08-28 2017-11-28 Commvault系统公司 如数据存储操作的自适应能耗管理的数据处理资源的能耗管理
US8706976B2 (en) 2007-08-30 2014-04-22 Commvault Systems, Inc. Parallel access virtual tape library and drives
US8396838B2 (en) 2007-10-17 2013-03-12 Commvault Systems, Inc. Legal compliance, electronic discovery and electronic document handling of online and offline copies of data
US7836174B2 (en) 2008-01-30 2010-11-16 Commvault Systems, Inc. Systems and methods for grid-based data scanning
US8296301B2 (en) 2008-01-30 2012-10-23 Commvault Systems, Inc. Systems and methods for probabilistic data classification
US8769048B2 (en) 2008-06-18 2014-07-01 Commvault Systems, Inc. Data protection scheduling, such as providing a flexible backup window in a data protection system
US9128883B2 (en) 2008-06-19 2015-09-08 Commvault Systems, Inc Data storage resource allocation by performing abbreviated resource checks based on relative chances of failure of the data storage resources to determine whether data storage requests would fail
US8352954B2 (en) 2008-06-19 2013-01-08 Commvault Systems, Inc. Data storage resource allocation by employing dynamic methods and blacklisting resource request pools
US8219524B2 (en) 2008-06-24 2012-07-10 Commvault Systems, Inc. Application-aware and remote single instance data management
US8484162B2 (en) 2008-06-24 2013-07-09 Commvault Systems, Inc. De-duplication systems and methods for application-specific data
US9098495B2 (en) 2008-06-24 2015-08-04 Commvault Systems, Inc. Application-aware and remote single instance data management
US8335776B2 (en) 2008-07-02 2012-12-18 Commvault Systems, Inc. Distributed indexing system for data storage
US8166263B2 (en) 2008-07-03 2012-04-24 Commvault Systems, Inc. Continuous data protection over intermittent connections, such as continuous data backup for laptops or wireless devices
US8307177B2 (en) 2008-09-05 2012-11-06 Commvault Systems, Inc. Systems and methods for management of virtualization data
US8725688B2 (en) 2008-09-05 2014-05-13 Commvault Systems, Inc. Image level copy or restore, such as image level restore without knowledge of data object metadata
US20100070474A1 (en) 2008-09-12 2010-03-18 Lad Kamleshkumar K Transferring or migrating portions of data objects, such as block-level data migration or chunk-based data migration
US20100070466A1 (en) 2008-09-15 2010-03-18 Anand Prahlad Data transfer techniques within data storage devices, such as network attached storage performing data migration
US9015181B2 (en) 2008-09-26 2015-04-21 Commvault Systems, Inc. Systems and methods for managing single instancing data
WO2010036754A1 (en) 2008-09-26 2010-04-01 Commvault Systems, Inc. Systems and methods for managing single instancing data
US9178842B2 (en) 2008-11-05 2015-11-03 Commvault Systems, Inc. Systems and methods for monitoring messaging applications for compliance with a policy
US8412677B2 (en) 2008-11-26 2013-04-02 Commvault Systems, Inc. Systems and methods for byte-level or quasi byte-level single instancing
US9495382B2 (en) 2008-12-10 2016-11-15 Commvault Systems, Inc. Systems and methods for performing discrete data replication
US8204859B2 (en) 2008-12-10 2012-06-19 Commvault Systems, Inc. Systems and methods for managing replicated database data
US8943183B2 (en) 2008-12-10 2015-01-27 Commvault Systems, Inc. Decoupled installation of data management systems
US8434131B2 (en) 2009-03-20 2013-04-30 Commvault Systems, Inc. Managing connections in a data storage system
US8401996B2 (en) 2009-03-30 2013-03-19 Commvault Systems, Inc. Storing a variable number of instances of data objects
US8209307B2 (en) 2009-03-31 2012-06-26 Commvault Systems, Inc. Systems and methods for data migration in a clustered file system
US8352432B2 (en) 2009-03-31 2013-01-08 Commvault Systems, Inc. Systems and methods for normalizing data of heterogeneous data sources
US8578120B2 (en) 2009-05-22 2013-11-05 Commvault Systems, Inc. Block-level single instancing
US8612439B2 (en) 2009-06-30 2013-12-17 Commvault Systems, Inc. Performing data storage operations in a cloud storage environment, including searching, encryption and indexing
US8930306B1 (en) 2009-07-08 2015-01-06 Commvault Systems, Inc. Synchronized data deduplication
US8719767B2 (en) 2011-03-31 2014-05-06 Commvault Systems, Inc. Utilizing snapshots to provide builds to developer computing devices
US9092500B2 (en) 2009-09-03 2015-07-28 Commvault Systems, Inc. Utilizing snapshots for access to databases and other applications
US8706867B2 (en) 2011-03-31 2014-04-22 Commvault Systems, Inc. Realtime streaming of multimedia content from secondary storage devices
US8433682B2 (en) 2009-12-31 2013-04-30 Commvault Systems, Inc. Systems and methods for analyzing snapshots
WO2011082113A1 (en) 2009-12-31 2011-07-07 Commvault Systems, Inc. Asynchronous methods of data classification using change journals and other data structures
EP2519872A4 (en) 2009-12-31 2015-08-26 Commvault Systems Inc SYSTEMS AND METHOD FOR IMPLEMENTING DATA MANAGEMENT OPERATIONS USING SNAPSHOTS
US8504517B2 (en) 2010-03-29 2013-08-06 Commvault Systems, Inc. Systems and methods for selective data replication
US8352422B2 (en) 2010-03-30 2013-01-08 Commvault Systems, Inc. Data restore systems and methods in a replication environment
US8725698B2 (en) 2010-03-30 2014-05-13 Commvault Systems, Inc. Stub file prioritization in a data replication system
US8504515B2 (en) 2010-03-30 2013-08-06 Commvault Systems, Inc. Stubbing systems and methods in a data replication environment
US8572038B2 (en) 2010-05-28 2013-10-29 Commvault Systems, Inc. Systems and methods for performing data replication
US8572719B2 (en) 2010-05-28 2013-10-29 Commvault Systems, Inc. Firewall proxy systems and methods in a backup environment
US8504526B2 (en) 2010-06-04 2013-08-06 Commvault Systems, Inc. Failover systems and methods for performing backup operations
US11449394B2 (en) 2010-06-04 2022-09-20 Commvault Systems, Inc. Failover systems and methods for performing backup operations, including heterogeneous indexing and load balancing of backup and indexing resources
US8504869B2 (en) 2010-07-16 2013-08-06 Commvault Systems, Inc. Kernel swapping systems and methods for recovering a network device
US8495420B2 (en) 2010-07-16 2013-07-23 Commvault Systems, Inc. Registry key federation systems and methods
US8935492B2 (en) 2010-09-30 2015-01-13 Commvault Systems, Inc. Archiving data objects using secondary copies
US8364652B2 (en) 2010-09-30 2013-01-29 Commvault Systems, Inc. Content aligned block-based deduplication
EP2622469B1 (en) 2010-09-30 2019-11-13 Commvault Systems, Inc. Efficient data management improvements, such as docking limited-feature data management modules to a full-featured data management system
US8572340B2 (en) 2010-09-30 2013-10-29 Commvault Systems, Inc. Systems and methods for retaining and using data block signatures in data protection operations
US9244779B2 (en) 2010-09-30 2016-01-26 Commvault Systems, Inc. Data recovery operations, such as recovery from modified network data management protocol data
US20120150818A1 (en) 2010-12-14 2012-06-14 Commvault Systems, Inc. Client-side repository in a networked deduplicated storage system
US9020900B2 (en) 2010-12-14 2015-04-28 Commvault Systems, Inc. Distributed deduplicated storage system
US9021198B1 (en) 2011-01-20 2015-04-28 Commvault Systems, Inc. System and method for sharing SAN storage
US8849762B2 (en) 2011-03-31 2014-09-30 Commvault Systems, Inc. Restoring computing environments, such as autorecovery of file systems at certain points in time
US8719264B2 (en) 2011-03-31 2014-05-06 Commvault Systems, Inc. Creating secondary copies of data based on searches for content
US9323466B2 (en) 2011-04-27 2016-04-26 Commvault Systems, Inc. System and method for client policy assignment in a data storage system
US9461881B2 (en) 2011-09-30 2016-10-04 Commvault Systems, Inc. Migration of existing computing systems to cloud computing sites or virtual machines
US9372827B2 (en) 2011-09-30 2016-06-21 Commvault Systems, Inc. Migration of an existing computing system to new hardware
US9116633B2 (en) 2011-09-30 2015-08-25 Commvault Systems, Inc. Information management of virtual machines having mapped storage devices
US20130227352A1 (en) 2012-02-24 2013-08-29 Commvault Systems, Inc. Log monitoring
US9298715B2 (en) 2012-03-07 2016-03-29 Commvault Systems, Inc. Data storage system utilizing proxy device for storage operations
US9471578B2 (en) 2012-03-07 2016-10-18 Commvault Systems, Inc. Data storage system utilizing proxy device for storage operations
US9292815B2 (en) 2012-03-23 2016-03-22 Commvault Systems, Inc. Automation of data storage activities
US8950009B2 (en) 2012-03-30 2015-02-03 Commvault Systems, Inc. Information management of data associated with multiple cloud services
US9262496B2 (en) 2012-03-30 2016-02-16 Commvault Systems, Inc. Unified access to personal data
US9063938B2 (en) 2012-03-30 2015-06-23 Commvault Systems, Inc. Search filtered file system using secondary storage, including multi-dimensional indexing and searching of archived files
US9020890B2 (en) 2012-03-30 2015-04-28 Commvault Systems, Inc. Smart archiving and data previewing for mobile devices
US10157184B2 (en) 2012-03-30 2018-12-18 Commvault Systems, Inc. Data previewing before recalling large data files
AU2013202553B2 (en) 2012-03-30 2015-10-01 Commvault Systems, Inc. Information management of mobile device data
US9286327B2 (en) 2012-03-30 2016-03-15 Commvault Systems, Inc. Data storage recovery automation
US9639297B2 (en) 2012-03-30 2017-05-02 Commvault Systems, Inc Shared network-available storage that permits concurrent data access
US9342537B2 (en) 2012-04-23 2016-05-17 Commvault Systems, Inc. Integrated snapshot interface for a data storage system
US9189167B2 (en) 2012-05-31 2015-11-17 Commvault Systems, Inc. Shared library in a data storage system
US8892523B2 (en) 2012-06-08 2014-11-18 Commvault Systems, Inc. Auto summarization of content
US8977672B2 (en) 2012-06-08 2015-03-10 Commvault Systems, Inc. Intelligent scheduling for remote computers
US9189170B2 (en) 2012-06-12 2015-11-17 Commvault Systems, Inc. External storage manager for a data storage cell
US9251186B2 (en) 2012-06-13 2016-02-02 Commvault Systems, Inc. Backup using a client-side signature repository in a networked storage system
US20140025796A1 (en) 2012-07-19 2014-01-23 Commvault Systems, Inc. Automated grouping of computing devices in a networked data storage system
US9275086B2 (en) 2012-07-20 2016-03-01 Commvault Systems, Inc. Systems and methods for database archiving
US20140040580A1 (en) 2012-07-31 2014-02-06 Commvault Systems, Inc. Administering a shared, on-line pool of data storage resources for performing data storage operations
US8938481B2 (en) 2012-08-13 2015-01-20 Commvault Systems, Inc. Generic file level restore from a block-level secondary copy
US9026498B2 (en) 2012-08-13 2015-05-05 Commvault Systems, Inc. Lightweight mounting of a secondary copy of file system data
US9311121B2 (en) 2012-12-21 2016-04-12 Commvault Systems, Inc. Archiving virtual machines in a data storage system
US20140181441A1 (en) 2012-12-21 2014-06-26 Commvault Systems, Inc. Identifying files for multiple secondary copy operations using data obtained during backup of primary storage
US20140181033A1 (en) 2012-12-21 2014-06-26 Commvault Systems, Inc. Systems and methods to track deleted files
US9740702B2 (en) 2012-12-21 2017-08-22 Commvault Systems, Inc. Systems and methods to identify unprotected virtual machines
US20140181085A1 (en) 2012-12-21 2014-06-26 Commvault Systems, Inc. Data storage system for analysis of data across heterogeneous information management systems
US10379988B2 (en) 2012-12-21 2019-08-13 Commvault Systems, Inc. Systems and methods for performance monitoring
US9201906B2 (en) 2012-12-21 2015-12-01 Commvault Systems, Inc. Systems and methods to perform data backup in data storage systems
US9069799B2 (en) 2012-12-27 2015-06-30 Commvault Systems, Inc. Restoration of centralized data storage manager, such as data storage manager in a hierarchical data storage system
US9021452B2 (en) 2012-12-27 2015-04-28 Commvault Systems, Inc. Automatic identification of storage requirements, such as for use in selling data storage management solutions
US9633216B2 (en) 2012-12-27 2017-04-25 Commvault Systems, Inc. Application of information management policies based on operation with a geographic entity
US9633022B2 (en) 2012-12-28 2017-04-25 Commvault Systems, Inc. Backup and restoration for a deduplicated file system
US10346259B2 (en) 2012-12-28 2019-07-09 Commvault Systems, Inc. Data recovery using a cloud-based remote data recovery center
US9378035B2 (en) 2012-12-28 2016-06-28 Commvault Systems, Inc. Systems and methods for repurposing virtual machines
US20140196039A1 (en) 2013-01-08 2014-07-10 Commvault Systems, Inc. Virtual machine categorization system and method
US20140201140A1 (en) 2013-01-11 2014-07-17 Commvault Systems, Inc. Data synchronization management
US9633033B2 (en) 2013-01-11 2017-04-25 Commvault Systems, Inc. High availability distributed deduplicated storage system
US9886346B2 (en) 2013-01-11 2018-02-06 Commvault Systems, Inc. Single snapshot for multiple agents
US20140201162A1 (en) 2013-01-11 2014-07-17 Commvault Systems, Inc. Systems and methods to restore selected files from block-level backup for virtual machines
US9760444B2 (en) 2013-01-11 2017-09-12 Commvault Systems, Inc. Sharing of secondary storage data
US9766987B2 (en) 2013-01-11 2017-09-19 Commvault Systems, Inc. Table level database restore in a data storage system
US9811423B2 (en) 2013-01-11 2017-11-07 Commvault Systems, Inc. Partial file restore in a data storage system
US9286110B2 (en) 2013-01-14 2016-03-15 Commvault Systems, Inc. Seamless virtual machine recall in a data storage system
US9483489B2 (en) 2013-01-14 2016-11-01 Commvault Systems, Inc. Partial sharing of secondary storage files in a data storage system
US9459968B2 (en) 2013-03-11 2016-10-04 Commvault Systems, Inc. Single index to query multiple backup formats
US20140281518A1 (en) 2013-03-12 2014-09-18 Commvault Systems, Inc. Multi-tier file restoration
US9934103B2 (en) 2013-04-16 2018-04-03 Commvault Systems, Inc. Managing multi-source restore operations in an information management system
US9483362B2 (en) 2013-05-08 2016-11-01 Commvault Systems, Inc. Use of auxiliary data protection software in failover operations
US9483558B2 (en) 2013-05-29 2016-11-01 Commvault Systems, Inc. Assessing user performance in a community of users of data storage resources
US9939981B2 (en) 2013-09-12 2018-04-10 Commvault Systems, Inc. File manager integration with virtualization in an information management system with an enhanced storage manager, including user control and storage management of virtual machines
US9590886B2 (en) 2013-11-01 2017-03-07 Commvault Systems, Inc. Systems and methods for differential health checking of an information management system
US10949382B2 (en) 2014-01-15 2021-03-16 Commvault Systems, Inc. User-centric interfaces for information management systems
US9495251B2 (en) 2014-01-24 2016-11-15 Commvault Systems, Inc. Snapshot readiness checking and reporting
US9632874B2 (en) 2014-01-24 2017-04-25 Commvault Systems, Inc. Database application backup in single snapshot for multiple applications
US9639426B2 (en) 2014-01-24 2017-05-02 Commvault Systems, Inc. Single snapshot for multiple applications
US9753812B2 (en) 2014-01-24 2017-09-05 Commvault Systems, Inc. Generating mapping information for single snapshot for multiple applications
US10324897B2 (en) 2014-01-27 2019-06-18 Commvault Systems, Inc. Techniques for serving archived electronic mail
US9798596B2 (en) 2014-02-27 2017-10-24 Commvault Systems, Inc. Automatic alert escalation for an information management system
US9648100B2 (en) 2014-03-05 2017-05-09 Commvault Systems, Inc. Cross-system storage management for transferring data across autonomous information management systems
US9633026B2 (en) 2014-03-13 2017-04-25 Commvault Systems, Inc. Systems and methods for protecting email data
US9633056B2 (en) 2014-03-17 2017-04-25 Commvault Systems, Inc. Maintaining a deduplication database
US10380072B2 (en) 2014-03-17 2019-08-13 Commvault Systems, Inc. Managing deletions from a deduplication database
US9563518B2 (en) 2014-04-02 2017-02-07 Commvault Systems, Inc. Information management by a media agent in the absence of communications with a storage manager
US9823978B2 (en) 2014-04-16 2017-11-21 Commvault Systems, Inc. User-level quota management of data objects stored in information management systems
US9740574B2 (en) 2014-05-09 2017-08-22 Commvault Systems, Inc. Load balancing across multiple data paths
US9848045B2 (en) 2014-05-27 2017-12-19 Commvault Systems, Inc. Offline messaging between a repository storage operation cell and remote storage operation cells via an intermediary media agent
US9760446B2 (en) 2014-06-11 2017-09-12 Micron Technology, Inc. Conveying value of implementing an integrated data management and protection system
US20160004605A1 (en) 2014-07-01 2016-01-07 Commvault Systems, Inc. Lightweight data reconstruction based on backup data
US20160019317A1 (en) 2014-07-16 2016-01-21 Commvault Systems, Inc. Volume or virtual machine level backup and generating placeholders for virtual machine files
US20160019117A1 (en) 2014-07-16 2016-01-21 Commvault Systems, Inc. Creating customized bootable image for client computing device from backup copy
US20160019224A1 (en) 2014-07-18 2016-01-21 Commvault Systems, Inc. File system content archiving based on third-party application archiving rules and metadata
US10031917B2 (en) 2014-07-29 2018-07-24 Commvault Systems, Inc. Efficient volume-level replication of data via snapshots in an information management system
US9641388B2 (en) 2014-07-29 2017-05-02 Commvault Systems, Inc. Customized deployment in information management systems
US11249858B2 (en) 2014-08-06 2022-02-15 Commvault Systems, Inc. Point-in-time backups of a production application made accessible over fibre channel and/or ISCSI as data sources to a remote application by representing the backups as pseudo-disks operating apart from the production application and its host
US10360110B2 (en) 2014-08-06 2019-07-23 Commvault Systems, Inc. Point-in-time backups of a production application made accessible over fibre channel and/or iSCSI as data sources to a remote application by representing the backups as pseudo-disks operating apart from the production application and its host
US9852026B2 (en) 2014-08-06 2017-12-26 Commvault Systems, Inc. Efficient application recovery in an information management system based on a pseudo-storage-device driver
US9774672B2 (en) 2014-09-03 2017-09-26 Commvault Systems, Inc. Consolidated processing of storage-array commands by a snapshot-control media agent
US10042716B2 (en) 2014-09-03 2018-08-07 Commvault Systems, Inc. Consolidated processing of storage-array commands using a forwarder media agent in conjunction with a snapshot-control media agent
US9405928B2 (en) 2014-09-17 2016-08-02 Commvault Systems, Inc. Deriving encryption rules based on file content
US9436555B2 (en) 2014-09-22 2016-09-06 Commvault Systems, Inc. Efficient live-mount of a backed up virtual machine in a storage management system
US9710465B2 (en) 2014-09-22 2017-07-18 Commvault Systems, Inc. Efficiently restoring execution of a backed up virtual machine based on coordination with virtual-machine-file-relocation operations
US9417968B2 (en) 2014-09-22 2016-08-16 Commvault Systems, Inc. Efficiently restoring execution of a backed up virtual machine based on coordination with virtual-machine-file-relocation operations
US10204010B2 (en) 2014-10-03 2019-02-12 Commvault Systems, Inc. Intelligent protection of off-line mail data
US9609058B2 (en) 2014-10-13 2017-03-28 Commvault Systems, Inc. Storage management operations based on executable files served on demand to storage management components
US9444811B2 (en) 2014-10-21 2016-09-13 Commvault Systems, Inc. Using an enhanced data agent to restore backed up data across autonomous storage management systems
US9575673B2 (en) 2014-10-29 2017-02-21 Commvault Systems, Inc. Accessing a file system using tiered deduplication
US10776209B2 (en) 2014-11-10 2020-09-15 Commvault Systems, Inc. Cross-platform virtual machine backup and replication
US9848046B2 (en) 2014-11-13 2017-12-19 Commvault Systems, Inc. Archiving applications in information management systems
US9448731B2 (en) 2014-11-14 2016-09-20 Commvault Systems, Inc. Unified snapshot storage management
US9648105B2 (en) 2014-11-14 2017-05-09 Commvault Systems, Inc. Unified snapshot storage management, using an enhanced storage manager and enhanced media agents
US9912625B2 (en) 2014-11-18 2018-03-06 Commvault Systems, Inc. Storage and management of mail attachments
US20160142485A1 (en) 2014-11-19 2016-05-19 Commvault Systems, Inc. Migration to cloud storage from backup
US9983936B2 (en) 2014-11-20 2018-05-29 Commvault Systems, Inc. Virtual machine change block tracking
US9632713B2 (en) 2014-12-03 2017-04-25 Commvault Systems, Inc. Secondary storage editor
US20160162364A1 (en) 2014-12-03 2016-06-09 Commvault Systems, Inc. Secondary storage pruning
US9645891B2 (en) 2014-12-04 2017-05-09 Commvault Systems, Inc. Opportunistic execution of secondary copy operations
US9753816B2 (en) 2014-12-05 2017-09-05 Commvault Systems, Inc. Synchronization based on filtered browsing
US20160210044A1 (en) 2015-01-15 2016-07-21 Commvault Systems, Inc. Intelligent hybrid drive caching
US20160210306A1 (en) 2015-01-15 2016-07-21 Commvault Systems, Inc. Managing structured data in a data storage system
US9588849B2 (en) 2015-01-20 2017-03-07 Commvault Systems, Inc. Synchronizing selected portions of data in a storage management system
US9952934B2 (en) 2015-01-20 2018-04-24 Commvault Systems, Inc. Synchronizing selected portions of data in a storage management system
US10108687B2 (en) 2015-01-21 2018-10-23 Commvault Systems, Inc. Database protection using block-level mapping
US9904481B2 (en) 2015-01-23 2018-02-27 Commvault Systems, Inc. Scalable auxiliary copy processing in a storage management system using media agent resources
US9898213B2 (en) 2015-01-23 2018-02-20 Commvault Systems, Inc. Scalable auxiliary copy processing using media agent resources
US10313243B2 (en) 2015-02-24 2019-06-04 Commvault Systems, Inc. Intelligent local management of data stream throttling in secondary-copy operations
US10956299B2 (en) 2015-02-27 2021-03-23 Commvault Systems, Inc. Diagnosing errors in data storage and archiving in a cloud or networking environment
US9575804B2 (en) 2015-03-27 2017-02-21 Commvault Systems, Inc. Job management and resource allocation
US9928144B2 (en) 2015-03-30 2018-03-27 Commvault Systems, Inc. Storage management of data using an open-archive architecture, including streamlined access to primary data originally stored on network-attached storage and archived to secondary storage
US9934265B2 (en) 2015-04-09 2018-04-03 Commvault Systems, Inc. Management of log data
US10339106B2 (en) 2015-04-09 2019-07-02 Commvault Systems, Inc. Highly reusable deduplication database after disaster recovery
US10311150B2 (en) 2015-04-10 2019-06-04 Commvault Systems, Inc. Using a Unix-based file system to manage and serve clones to windows-based computing clients
US9710253B2 (en) 2015-04-16 2017-07-18 Commvault Systems, Inc. Managing a software-patch submission queue
US9904598B2 (en) 2015-04-21 2018-02-27 Commvault Systems, Inc. Content-independent and database management system-independent synthetic full backup of a database based on snapshot technology
US9639286B2 (en) 2015-05-14 2017-05-02 Commvault Systems, Inc. Restore of secondary data using thread pooling
US10324914B2 (en) 2015-05-20 2019-06-18 Commvalut Systems, Inc. Handling user queries against production and archive storage systems, such as for enterprise customers having large and/or numerous files
US20160350391A1 (en) 2015-05-26 2016-12-01 Commvault Systems, Inc. Replication using deduplicated secondary copy data
US10084873B2 (en) 2015-06-19 2018-09-25 Commvault Systems, Inc. Assignment of data agent proxies for executing virtual-machine secondary copy operations including streaming backup jobs
US9563514B2 (en) 2015-06-19 2017-02-07 Commvault Systems, Inc. Assignment of proxies for virtual-machine secondary copy operations including streaming backup jobs
US10275320B2 (en) 2015-06-26 2019-04-30 Commvault Systems, Inc. Incrementally accumulating in-process performance data and hierarchical reporting thereof for a data stream in a secondary copy operation
US9766825B2 (en) 2015-07-22 2017-09-19 Commvault Systems, Inc. Browse and restore for block-level backups
US10192065B2 (en) 2015-08-31 2019-01-29 Commvault Systems, Inc. Automated intelligent provisioning of data storage resources in response to user requests in a data storage management system
US10101913B2 (en) 2015-09-02 2018-10-16 Commvault Systems, Inc. Migrating data to disk without interrupting running backup operations
US10853406B2 (en) 2015-09-18 2020-12-01 Commvault Systems, Inc. Data storage management operations in a secondary storage subsystem using image recognition and image-based criteria
US10489249B2 (en) 2015-09-30 2019-11-26 Commvault Systems, Inc. Dynamic triggering of block-level backups based on block change thresholds and corresponding file identities using communication pathways between co-resident data agents
US10176036B2 (en) 2015-10-29 2019-01-08 Commvault Systems, Inc. Monitoring, diagnosing, and repairing a management database in a data storage management system
US10353994B2 (en) 2015-11-03 2019-07-16 Commvault Systems, Inc. Summarization of email on a client computing device based on content contribution to an email thread using classification and word frequency considerations
US10228962B2 (en) 2015-12-09 2019-03-12 Commvault Systems, Inc. Live synchronization and management of virtual machines across computing and virtualization platforms and using live synchronization to support disaster recovery
US10387266B2 (en) 2015-12-23 2019-08-20 Commvault Systems, Inc. Application-level live synchronization across computing platforms including synchronizing co-resident applications to disparate standby destinations and selectively synchronizing some applications and not others
US10310953B2 (en) 2015-12-30 2019-06-04 Commvault Systems, Inc. System for redirecting requests after a secondary storage computing device failure
US10684924B2 (en) 2016-02-18 2020-06-16 Commvault Systems, Inc. Data restoration operations based on network path information
US10565067B2 (en) 2016-03-09 2020-02-18 Commvault Systems, Inc. Virtual server cloud file system for virtual machine backup from cloud operations
US10296368B2 (en) 2016-03-09 2019-05-21 Commvault Systems, Inc. Hypervisor-independent block-level live browse for access to backed up virtual machine (VM) data and hypervisor-free file-level recovery (block-level pseudo-mount)
US10303557B2 (en) 2016-03-09 2019-05-28 Commvault Systems, Inc. Data transfer to a distributed storage environment
US10503753B2 (en) 2016-03-10 2019-12-10 Commvault Systems, Inc. Snapshot replication operations based on incremental block change tracking
US10248174B2 (en) 2016-05-24 2019-04-02 Hedvig, Inc. Persistent reservations for virtual disk using multiple targets
US10664447B2 (en) 2016-07-12 2020-05-26 Commvault Systems, Inc. Dynamic management of expandable cache storage for multiple network shares configured in a file server
US10417102B2 (en) 2016-09-30 2019-09-17 Commvault Systems, Inc. Heartbeat monitoring of virtual machines for initiating failover operations in a data storage management system, including virtual machine distribution logic
US10540516B2 (en) 2016-10-13 2020-01-21 Commvault Systems, Inc. Data protection within an unsecured storage environment
US10210048B2 (en) 2016-10-25 2019-02-19 Commvault Systems, Inc. Selective snapshot and backup copy operations for individual virtual machines in a shared storage
US10152251B2 (en) 2016-10-25 2018-12-11 Commvault Systems, Inc. Targeted backup of virtual machine
US10162528B2 (en) 2016-10-25 2018-12-25 Commvault Systems, Inc. Targeted snapshot based on virtual machine location
US10389810B2 (en) 2016-11-02 2019-08-20 Commvault Systems, Inc. Multi-threaded scanning of distributed file systems
US10922189B2 (en) 2016-11-02 2021-02-16 Commvault Systems, Inc. Historical network data-based scanning thread generation
US11106632B2 (en) 2016-11-16 2021-08-31 Commvault Systems, Inc. Dynamically configuring a proxy server using containerization for concurrent and/or overlapping backup, restore, and/or test operations
US10678758B2 (en) 2016-11-21 2020-06-09 Commvault Systems, Inc. Cross-platform virtual machine data and memory backup and replication
US10838821B2 (en) 2017-02-08 2020-11-17 Commvault Systems, Inc. Migrating content and metadata from a backup system
US10740193B2 (en) 2017-02-27 2020-08-11 Commvault Systems, Inc. Hypervisor-independent reference copies of virtual machine payload data based on block-level pseudo-mount
US10459666B2 (en) 2017-03-03 2019-10-29 Commvault Systems, Inc. Using storage managers in respective data storage management systems for license distribution, compliance, and updates
US11032350B2 (en) 2017-03-15 2021-06-08 Commvault Systems, Inc. Remote commands framework to control clients
US10949308B2 (en) 2017-03-15 2021-03-16 Commvault Systems, Inc. Application aware backup of virtual machines
US20180276085A1 (en) 2017-03-24 2018-09-27 Commvault Systems, Inc. Virtual machine recovery point generation
US10891069B2 (en) 2017-03-27 2021-01-12 Commvault Systems, Inc. Creating local copies of data stored in online data repositories
US10776329B2 (en) 2017-03-28 2020-09-15 Commvault Systems, Inc. Migration of a database management system to cloud storage
US11108858B2 (en) 2017-03-28 2021-08-31 Commvault Systems, Inc. Archiving mail servers via a simple mail transfer protocol (SMTP) server
US10613939B2 (en) 2017-03-28 2020-04-07 Commvault Systems, Inc. Backup index generation process
US10387073B2 (en) 2017-03-29 2019-08-20 Commvault Systems, Inc. External dynamic virtual machine synchronization
US11074140B2 (en) 2017-03-29 2021-07-27 Commvault Systems, Inc. Live browsing of granular mailbox data
US10949398B2 (en) 2017-03-29 2021-03-16 Commvault Systems, Inc. Synchronization operations for network-accessible folders
US10599527B2 (en) 2017-03-29 2020-03-24 Commvault Systems, Inc. Information management cell health monitoring system
US11074138B2 (en) 2017-03-29 2021-07-27 Commvault Systems, Inc. Multi-streaming backup operations for mailboxes
US11294786B2 (en) 2017-03-31 2022-04-05 Commvault Systems, Inc. Management of internet of things devices
US10853195B2 (en) 2017-03-31 2020-12-01 Commvault Systems, Inc. Granular restoration of virtual machine application data
US10552294B2 (en) 2017-03-31 2020-02-04 Commvault Systems, Inc. Management of internet of things devices
US11221939B2 (en) 2017-03-31 2022-01-11 Commvault Systems, Inc. Managing data from internet of things devices in a vehicle
US11010261B2 (en) 2017-03-31 2021-05-18 Commvault Systems, Inc. Dynamically allocating streams during restoration of data
US10984041B2 (en) 2017-05-11 2021-04-20 Commvault Systems, Inc. Natural language processing integrated with database and data storage management
US10664352B2 (en) 2017-06-14 2020-05-26 Commvault Systems, Inc. Live browsing of backed up data residing on cloned disks
US10846180B2 (en) 2017-09-14 2020-11-24 Commvault Systems, Inc. Distributed framework for task splitting and task assignments in a content indexing system
US11263088B2 (en) 2017-09-14 2022-03-01 Commvault Systems, Inc. Distributed architecture for tracking content indexing
US10846266B2 (en) 2017-09-14 2020-11-24 Commvault Systems, Inc. Distributed architecture for content indexing emails
US11036592B2 (en) 2017-09-14 2021-06-15 Commvault Systems, Inc. Distributed content indexing architecture with separately stored file previews
US11086834B2 (en) 2017-09-14 2021-08-10 Commvault Systems, Inc. Distributed framework for data proximity-based task splitting in a content indexing system
US10740300B1 (en) 2017-12-07 2020-08-11 Commvault Systems, Inc. Synchronization of metadata in a distributed storage system
US10635546B2 (en) 2017-12-07 2020-04-28 Commvault Systems, Inc. Synthesizing a restore image from one or more secondary copies to facilitate data restore operations to a file server
US10742735B2 (en) 2017-12-12 2020-08-11 Commvault Systems, Inc. Enhanced network attached storage (NAS) services interfacing to cloud storage
US10831591B2 (en) 2018-01-11 2020-11-10 Commvault Systems, Inc. Remedial action based on maintaining process awareness in data storage management
US10795927B2 (en) 2018-02-05 2020-10-06 Commvault Systems, Inc. On-demand metadata extraction of clinical image data
US10642886B2 (en) 2018-02-14 2020-05-05 Commvault Systems, Inc. Targeted search of backup data using facial recognition
US10740022B2 (en) 2018-02-14 2020-08-11 Commvault Systems, Inc. Block-level live browsing and private writable backup copies using an ISCSI server
US10592145B2 (en) 2018-02-14 2020-03-17 Commvault Systems, Inc. Machine learning-based data object storage
US10848468B1 (en) 2018-03-05 2020-11-24 Commvault Systems, Inc. In-flight data encryption/decryption for a distributed storage platform
US10877928B2 (en) 2018-03-07 2020-12-29 Commvault Systems, Inc. Using utilities injected into cloud-based virtual machines for speeding up virtual machine backup operations
US10761942B2 (en) 2018-03-12 2020-09-01 Commvault Systems, Inc. Recovery point objective (RPO) driven backup scheduling in a data storage management system using an enhanced data agent
US10789387B2 (en) 2018-03-13 2020-09-29 Commvault Systems, Inc. Graphical representation of an information management system
US11321183B2 (en) 2018-05-02 2022-05-03 Commvault Systems, Inc. Multi-tiered backup indexing
US10673943B2 (en) 2018-05-02 2020-06-02 Commvault Systems, Inc. Network storage backup using distributed media agents
US11249863B2 (en) 2018-05-02 2022-02-15 Commvault Systems, Inc. Backup-based media agent configuration
US10628267B2 (en) 2018-05-02 2020-04-21 Commvault Systems, Inc. Client managed data backup process within an enterprise information management system
US10893103B2 (en) 2018-07-25 2021-01-12 Commvault Systems, Inc. Distributed and scalable storage management using a storage-microservices server
US10891304B2 (en) 2018-07-25 2021-01-12 Commvault Systems, Inc. Distributed and scalable client-based storage management
US10891198B2 (en) 2018-07-30 2021-01-12 Commvault Systems, Inc. Storing data to cloud libraries in cloud native formats
US11159469B2 (en) 2018-09-12 2021-10-26 Commvault Systems, Inc. Using machine learning to modify presentation of mailbox objects
US11016696B2 (en) 2018-09-14 2021-05-25 Commvault Systems, Inc. Redundant distributed data storage system
US11010258B2 (en) 2018-11-27 2021-05-18 Commvault Systems, Inc. Generating backup copies through interoperability between components of a data storage management system and appliances for data storage and deduplication
US11200124B2 (en) 2018-12-06 2021-12-14 Commvault Systems, Inc. Assigning backup resources based on failover of partnered data storage servers in a data storage management system
US10860443B2 (en) 2018-12-10 2020-12-08 Commvault Systems, Inc. Evaluation and reporting of recovery readiness in a data storage management system
US11698727B2 (en) 2018-12-14 2023-07-11 Commvault Systems, Inc. Performing secondary copy operations based on deduplication performance
US20200192572A1 (en) 2018-12-14 2020-06-18 Commvault Systems, Inc. Disk usage growth prediction system
US11012508B2 (en) 2018-12-14 2021-05-18 Commvault Systems, Inc. Region-based distributed information management system
US11347707B2 (en) 2019-01-22 2022-05-31 Commvault Systems, Inc. File indexing for virtual machine backups based on using live browse features
US10872069B2 (en) 2019-01-22 2020-12-22 Commvault Systems, Inc. File indexing for virtual machine backups in a data storage management system
US10768971B2 (en) 2019-01-30 2020-09-08 Commvault Systems, Inc. Cross-hypervisor live mount of backed up virtual machine data
US10996974B2 (en) 2019-01-30 2021-05-04 Commvault Systems, Inc. Cross-hypervisor live mount of backed up virtual machine data, including management of cache storage for virtual machine data
US11126365B2 (en) 2019-03-11 2021-09-21 Commvault Systems, Inc. Skipping data backed up in prior backup operations
US11269732B2 (en) 2019-03-12 2022-03-08 Commvault Systems, Inc. Managing structured data in a data storage system
US11321184B2 (en) 2019-03-26 2022-05-03 Commvault Systems, Inc. Streamlined secondary copy operations for data stored on shared file storage
US11579681B2 (en) 2019-04-08 2023-02-14 Commvault Systems, Inc. Power management of components within a storage management system
US20200327017A1 (en) 2019-04-10 2020-10-15 Commvault Systems, Inc. Restore using deduplicated secondary copy data
US11100064B2 (en) 2019-04-30 2021-08-24 Commvault Systems, Inc. Automated log-based remediation of an information management system
US11494273B2 (en) 2019-04-30 2022-11-08 Commvault Systems, Inc. Holistically protecting serverless applications across one or more cloud computing environments
US11442623B2 (en) 2019-05-02 2022-09-13 Commvault Systems, Inc. Faster browse of secondary copies of block-level data volumes
US11463264B2 (en) 2019-05-08 2022-10-04 Commvault Systems, Inc. Use of data block signatures for monitoring in an information management system
US11461184B2 (en) 2019-06-17 2022-10-04 Commvault Systems, Inc. Data storage management system for protecting cloud-based data including on-demand protection, recovery, and migration of databases-as-a-service and/or serverless database management systems
US11308034B2 (en) 2019-06-27 2022-04-19 Commvault Systems, Inc. Continuously run log backup with minimal configuration and resource usage from the source machine
US20210011816A1 (en) 2019-07-10 2021-01-14 Commvault Systems, Inc. Preparing containerized applications for backup using a backup services container in a container-orchestration pod
US11042318B2 (en) 2019-07-29 2021-06-22 Commvault Systems, Inc. Block-level data replication
US20210037112A1 (en) 2019-07-29 2021-02-04 Commvault Systems, Inc. Data storage system with rapid restore capability
US11263173B2 (en) 2019-07-30 2022-03-01 Commvault Systems, Inc. Transaction log index generation in an enterprise backup system
US11513922B2 (en) 2019-08-14 2022-11-29 Commvault Systems, Inc. Systems and methods for change block tracking for backing up changed data
US11256673B2 (en) 2019-09-11 2022-02-22 Commvault Systems, Inc. Anomaly detection in deduplication pruning operations
US11218450B2 (en) 2019-09-11 2022-01-04 Commvault Systems, Inc. Data protection component scaling in a cloud-based data storage system
US11237935B2 (en) 2019-09-11 2022-02-01 Commvault Systems, Inc. Anomaly detection in data protection operations
US11663178B2 (en) 2019-11-04 2023-05-30 Commvault Systems, Inc. Efficient implementation of multiple deduplication databases in a heterogeneous data storage system
US20210173811A1 (en) 2019-12-04 2021-06-10 Commvault Systems, Inc. Optimizing the restoration of deduplicated data stored in multi-node replicated file systems
US11237924B2 (en) 2019-12-11 2022-02-01 Commvault Systems, Inc. Dynamic resizing and re-distribution of destination data storage resources for bare metal restore operations in a data storage management system
US11223535B2 (en) 2019-12-31 2022-01-11 Commvault Systems, Inc. Smart network topology systems and methods
US11467753B2 (en) 2020-02-14 2022-10-11 Commvault Systems, Inc. On-demand restore of virtual machine data
US11321188B2 (en) 2020-03-02 2022-05-03 Commvault Systems, Inc. Platform-agnostic containerized application data protection
US11422900B2 (en) 2020-03-02 2022-08-23 Commvault Systems, Inc. Platform-agnostic containerized application data protection
US11005935B1 (en) 2020-03-10 2021-05-11 Commvault Systems, Inc. Using multiple streams with network data management protocol to improve performance and granularity of backup and restore operations from/to a file server
US11334442B2 (en) 2020-03-10 2022-05-17 Commvault Systems, Inc. Management database long-term archiving to a recovery manager
US11442768B2 (en) 2020-03-12 2022-09-13 Commvault Systems, Inc. Cross-hypervisor live recovery of virtual machines
US11099956B1 (en) 2020-03-26 2021-08-24 Commvault Systems, Inc. Snapshot-based disaster recovery orchestration of virtual machine failover and failback operations
US11500669B2 (en) 2020-05-15 2022-11-15 Commvault Systems, Inc. Live recovery of virtual machines in a public cloud computing environment
US11687424B2 (en) 2020-05-28 2023-06-27 Commvault Systems, Inc. Automated media agent state management
US11327663B2 (en) 2020-06-09 2022-05-10 Commvault Systems, Inc. Ensuring the integrity of data storage volumes used in block-level live synchronization operations in a data storage management system
US11537959B2 (en) 2020-06-16 2022-12-27 Commvault Systems, Inc. Dynamic computing progress tracker
US11614883B2 (en) 2020-07-17 2023-03-28 Commvault Systems, Inc. Distributed data storage system using erasure coding on storage nodes fewer than data plus parity fragments
US11494417B2 (en) 2020-08-07 2022-11-08 Commvault Systems, Inc. Automated email classification in an information management system
US11513708B2 (en) 2020-08-25 2022-11-29 Commvault Systems, Inc. Optimized deduplication based on backup frequency in a distributed data storage system
US11108861B1 (en) 2020-08-26 2021-08-31 Commvault Systems, Inc. System for managing multiple information management cells
US11789830B2 (en) 2020-09-22 2023-10-17 Commvault Systems, Inc. Anti-entropy-based metadata recovery in a strongly consistent distributed data storage system
US11647075B2 (en) 2020-09-22 2023-05-09 Commvault Systems, Inc. Commissioning and decommissioning metadata nodes in a running distributed data storage system
US11314687B2 (en) 2020-09-24 2022-04-26 Commvault Systems, Inc. Container data mover for migrating data between distributed data storage systems integrated with application orchestrators
US11656951B2 (en) 2020-10-28 2023-05-23 Commvault Systems, Inc. Data loss vulnerability detection
US11474753B2 (en) 2020-10-30 2022-10-18 Commvault Systems, Inc. Systems and methods for backing up to a virtual tape library
US11323513B1 (en) 2021-01-22 2022-05-03 Commvault Systems, Inc. Geo-location-based data replication
US11604706B2 (en) 2021-02-02 2023-03-14 Commvault Systems, Inc. Back up and restore related data on different cloud storage tiers
US11645175B2 (en) 2021-02-12 2023-05-09 Commvault Systems, Inc. Automatic failover of a storage manager
US11574050B2 (en) 2021-03-12 2023-02-07 Commvault Systems, Inc. Media agent hardening against ransomware attacks
US11561978B2 (en) 2021-06-29 2023-01-24 Commvault Systems, Inc. Intelligent cache management for mounted snapshots based on a behavior model
US11954513B2 (en) 2021-07-29 2024-04-09 Commvault Systems, Inc. Scalable recovery and/or migration to cloud- based custom-made virtual machines without using failed machines' credentials
US11615147B2 (en) 2021-08-23 2023-03-28 Commvault Systems, Inc. Mobile storage manager control application for managing a storage manager of an information management system
US11593223B1 (en) 2021-09-02 2023-02-28 Commvault Systems, Inc. Using resource pool administrative entities in a data storage management system to provide shared infrastructure to tenants
US11809285B2 (en) 2022-02-09 2023-11-07 Commvault Systems, Inc. Protecting a management database of a data storage management system to meet a recovery point objective (RPO)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0031498A3 (en) * 1979-12-26 1981-07-22 International Business Machines Corporation Digital data processing system including means for verifying data transferred from a non-volatile to a volatile store
JPS59201297A (ja) * 1983-04-28 1984-11-14 Nec Corp 情報検証方式
US4608688A (en) * 1983-12-27 1986-08-26 At&T Bell Laboratories Processing system tolerant of loss of access to secondary storage
US4686620A (en) * 1984-07-26 1987-08-11 American Telephone And Telegraph Company, At&T Bell Laboratories Database backup method
JPS6460883A (en) * 1987-08-31 1989-03-07 Nec Corp Backup system for draw type optical disk
US5239637A (en) * 1989-06-30 1993-08-24 Digital Equipment Corporation Digital data management system for maintaining consistency of data in a shadow set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761520A (en) * 1994-12-06 1998-06-02 Mitsubishi Denki Kabushiki Kaisha Data processing method

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