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SAM-QFS: Staging From Disk Performance (Doc ID 1598169.1)

Last updated on AUGUST 08, 2018

Applies to:

Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 5.0 and later
Information in this document applies to any platform.

Symptoms

When multiple large files are staged from the same disk VSN, multiple read streams hit the back-end storage.  It's possible to have the total read throughput drop off as more and more time is spent on seeking between the tar files that are being concurrently accessed.

Cause

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