Oracle HSM (SAMFS): Filesystem Write Error and FC Loop OFFLINE
(Doc ID 1903441.1)
Last updated on AUGUST 28, 2023
Applies to:
Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 5.3 and laterInformation in this document applies to any platform.
Symptoms
There are FC Loop Offline/Online error while writing data on QFS file system.
Changes
It's new installation, detailed environment as below :
- SPARC Server M10-4, installed Solaris 11.1
- QFS 5.3 installed, Sun Cluster 4.1 installed
- HITACHI Disk Array Model - Hitachi Unified Storage 150
Error reproduced by customer testing :
- use 'mkfile' to test QFS writing
- increase mm and mr device counts
- with low number of mm/mr devices, no errors,
- error(FC Loop Offline) occurred after mm/mr device counts over 40
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |