Journaling technique for write transactions to mass storage

Details Journaling technique for write transactions to mass storage Journaling technique for write transactions to mass storage

2007-07-03

2007-07-03

Peikari, B. James (Department: 2189)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S052000, C714S005110, C714S054000, C714S002000, C711S162000, C711S161000, C711S114000, C711S112000, C709S214000, C709S217000, C709S218000, C709S219000

Reexamination Certificate

active

10097166

ABSTRACT:
A technique includes writing blocks of data from a plurality of servers to an array of disks that are shared in common by the servers. Prior to the writing in each block of data to the array of disks, the method includes storing in a journal a copy of the block of data to be written to the array of disks. Also stored in the journal is at least one header, and this header(s) indicates that the copy was successfully stored in the journal.

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