On Tue, 14 May 2024 16:03:44 +0200, Martin Wilck wrote:
> When a host is configured with a few LUNs and IO is running,
> injecting FC faults repeatedly leads to path recovery problems.
> The LUNs have 4 paths each and 3 of them come back active after
> say an FC fault which makes two of the paths go down, instead of
> all 4. This happens after several iterations of continuous FC faults.
>
> Reason here is that we're returning an I/O error whenever we're
> encountering sense code 06/04/0a (LOGICAL UNIT NOT ACCESSIBLE,
> ASYMMETRIC ACCESS STATE TRANSITION) instead of retrying.
>
> [...]
Applied to 6.10/scsi-queue, thanks!
[1/1] I/O errors for ALUA state transitions
https://git.kernel.org/mkp/scsi/c/10157b1fc1a7
--
Martin K. Petersen Oracle Linux Engineering
