Oracle ZFS Storage Appliance: Handling DISK-8000-WA ' ireport.io.scsi.cmd.disk.dev.slow.write'
(Doc ID 2906328.1)
Last updated on OCTOBER 23, 2023
Applies to:
Enclave ZFS Block Storage ZS4-4 - Version All Versions and laterOracle ZFS Storage Appliance Racked System ZS5-2 - Version All Versions and later
Oracle ZFS Storage ZS5-4 - Version All Versions and later
Sun Storage 7310 Unified Storage System - Version All Versions and later
Sun Storage 7110 Unified Storage System - Version All Versions and later
Information in this document applies to any platform.
Symptoms
reports ireport.io.scsi.cmd.disk.dev.slow.write
Problem class : fault.io.disk.slow_wa
If the error is slow.read ireport, and or fault.io.disk.slow_rw and there are no other slow ireports on other disks within 5 seconds then DISK-8000-WA will be diagnosed.
After upgrading Oracle ZFS Storage Appliance to OS: 8.8.51 (or IDR = Interim Diagnostic Relief applying IDR 8.8.39 idr5146.1 or IDR: 8.8.44 5185.1)
Disk failures can be seen due to the slow-disk telemetry system wide variable being set to 5 seconds. Disks encountering
faults/failure due to this feature may have an associated FMA event of both DISK-8000-VP and/or DISK-8000-WA
Changes
Oracle ZFS Storage Appliance running OS8.8.51 and higher has added a new fault management architecture FMA DISK-8000-WA ireport.io.scsi.cmd.disk.dev.slow.write
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |