Exadata X6-2: The storage cell flash disks may frequently go into confinement offline state
(Doc ID 2389510.1)
Last updated on FEBRUARY 26, 2019
Applies to:
Oracle Exadata Storage Server Software - Version 12.1.2.3.6 to 18.1.5.0.0 [Release 12.1 to 12.2]Information in this document applies to any platform.
Symptoms
Pre-requisite Conditions
- Exadata X6-2 storage cells running F320 flashcards with firmware version KPYAIR3Q
- Storage cells experience frequent flash disk confinements under high workload conditions
Eg:
When the flashcache is configured in writeback mode, the flashdisk offline trigger a re-silvering operation to sync the cached grid disks. This may expose the system to Exadata critical issue EX42 (Bug 27372426) which introduces ASM metadata corruption during the re-silvering operation.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |