TW200742995A - System of performing a cache backup procedure between dual backup servers - Google Patents

System of performing a cache backup procedure between dual backup servers

Info

Publication number
TW200742995A
TW200742995A TW095117074A TW95117074A TW200742995A TW 200742995 A TW200742995 A TW 200742995A TW 095117074 A TW095117074 A TW 095117074A TW 95117074 A TW95117074 A TW 95117074A TW 200742995 A TW200742995 A TW 200742995A
Authority
TW
Taiwan
Prior art keywords
cache
data
backup
sas
command
Prior art date
Application number
TW095117074A
Other languages
Chinese (zh)
Other versions
TWI308278B (en
Inventor
Chih-Wei Chen
Original Assignee
Inventec Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inventec Corp filed Critical Inventec Corp
Priority to TW095117074A priority Critical patent/TW200742995A/en
Publication of TW200742995A publication Critical patent/TW200742995A/en
Application granted granted Critical
Publication of TWI308278B publication Critical patent/TWI308278B/zh

Links

Abstract

The present invention discloses a system of performing a cache backup procedure between dual backup servers. The system comprises two backup servers, wherein each of the backup servers respectively has a Serial Attached SCSI (SAS) controller, such that two backup severs could be connected to each other via a SAS channel. In each of the SAS controllers, an initiator is defined with a command for executing a cache mirror, and a command for flushing the cache mirror. When one backup server receives a write command and data via an optical fiber cable or an iSCSI channel, the backup server would write the received data into its cache memory. Further, its SAS controller would create a command descriptor block (CDB) for the cache data, wherein the CDB uses the cache mirror command as an operation code, and the SAS controller would add a data header for the cache data, wherein the data header is comprised of messages such as a number of the storage device, and a block address and data length of the cache memory. Then, the data would be transmitted to the SAS controller of another backup server via the SAS channel, such that the SAS controller of another backup server would write the received data into its cache memory. Therefore, via a broadband of the SAS channel, the present invention could rapidly process massive cache data flow, so as to efficiently enhance the storage efficiency of the dual backup servers.
TW095117074A 2006-05-15 2006-05-15 System of performing a cache backup procedure between dual backup servers TW200742995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW095117074A TW200742995A (en) 2006-05-15 2006-05-15 System of performing a cache backup procedure between dual backup servers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095117074A TW200742995A (en) 2006-05-15 2006-05-15 System of performing a cache backup procedure between dual backup servers

Publications (2)

Publication Number Publication Date
TW200742995A true TW200742995A (en) 2007-11-16
TWI308278B TWI308278B (en) 2009-04-01

Family

ID=45071794

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095117074A TW200742995A (en) 2006-05-15 2006-05-15 System of performing a cache backup procedure between dual backup servers

Country Status (1)

Country Link
TW (1) TW200742995A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI423020B (en) * 2008-04-22 2014-01-11 Lsi Corp Method and apparatus for implementing distributed cache system in a drive array
CN112346905A (en) * 2019-08-08 2021-02-09 佛山市顺德区顺达电脑厂有限公司 Data backup system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI423020B (en) * 2008-04-22 2014-01-11 Lsi Corp Method and apparatus for implementing distributed cache system in a drive array
CN112346905A (en) * 2019-08-08 2021-02-09 佛山市顺德区顺达电脑厂有限公司 Data backup system

Also Published As

Publication number Publication date
TWI308278B (en) 2009-04-01

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees