Oracle HSM (SAMFS) - samfsrestore Time is Too Long For Large 'shared' File Systems
(Doc ID 1624798.1)
Last updated on SEPTEMBER 09, 2019
Applies to:Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 5.3 and later
Information in this document applies to any platform.
Restoring a samfs 'shared' file system (samfsrestore) takes much longer than the equivalent samfsdump of that same file system. During a restore, if the file system is 'shared', this causes the kernel to synchronize the operations resulting in poor restore performance
The samfsrestore(1M) time can be significantly decreased if the file system is converted to 'non-shared' after it has been re-created with sammkfs(1M) and before doing the samfsrestore(1M).
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