JPH0473251U - - Google Patents
Info
- Publication number
- JPH0473251U JPH0473251U JP11242290U JP11242290U JPH0473251U JP H0473251 U JPH0473251 U JP H0473251U JP 11242290 U JP11242290 U JP 11242290U JP 11242290 U JP11242290 U JP 11242290U JP H0473251 U JPH0473251 U JP H0473251U
- Authority
- JP
- Japan
- Prior art keywords
- volume
- unused
- block number
- record
- updating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す構成図である
。
１……レコードアクセス要求元、２……レコー
ド参照処理部、３……レコード更新処理部、４…
…ボリユームアクセス管理テーブル。
FIG. 1 is a block diagram showing an embodiment of the present invention. 1...Record access request source, 2...Record reference processing section, 3...Record update processing section, 4...
...Volume access management table.
Claims (1)
の読み出し、更新を制御するボリユームアクセス
制御装置において、前記マルチデイスクボリユー
ムの各アクセス頻度と未使用先頭ブロツク番号を
管理するテーブルと、レコード参照要求があると
前記テーブルにおける参照要求ボリユームの前記
アクセス頻度を更新するレコード参照処理手段と
、レコード更新要求があると前記テーブルにおけ
る前記アクセス頻度の最も低いボリユームを選択
し前記選択されたボリユームの前記未使用先頭ブ
ロツク番号を参照してレコードを更新するととも
に前記未使用先頭ブロツク番号をルコード更新要
求元に返却するレコード更新処理手段を有するこ
とを特徴とするボリユームアクセス制御装置。 A volume access control device that controls reading and updating of records in a multi-disk volume environment includes a table that manages each access frequency and unused first block number of the multi-disk volume, and a table that manages the access frequency and unused first block number of the multi-disk volume, and a table that manages access frequencies and unused first block numbers of the multi-disk volume. a record reference processing means for updating the access frequency of the reference request volume; and upon receiving a record update request, selecting the volume with the lowest access frequency in the table and referring to the unused first block number of the selected volume; 1. A volume access control device comprising: a record update processing means for updating a record using a code update request and returning the unused first block number to a source of a code update request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11242290U JPH0473251U (en) | 1990-10-25 | 1990-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11242290U JPH0473251U (en) | 1990-10-25 | 1990-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0473251U true JPH0473251U (en) | 1992-06-26 |
Family
ID=31859928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11242290U Pending JPH0473251U (en) | 1990-10-25 | 1990-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0473251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07334396A (en) * | 1994-06-06 | 1995-12-22 | Nec Corp | Disk map preparing system |
| JP2012529704A (en) * | 2009-06-11 | 2012-11-22 | ヤフー！ インコーポレイテッド | Media identification system with fingerprint database balanced according to search load |
-
1990
- 1990-10-25 JP JP11242290U patent/JPH0473251U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07334396A (en) * | 1994-06-06 | 1995-12-22 | Nec Corp | Disk map preparing system |
| JP2012529704A (en) * | 2009-06-11 | 2012-11-22 | ヤフー！ インコーポレイテッド | Media identification system with fingerprint database balanced according to search load |
| US8713068B2 (en) | 2009-06-11 | 2014-04-29 | Yahoo! Inc. | Media identification system with fingerprint database balanced according to search loads |
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