On Tue, 25 Jun 2013 01:19:20 -0500 Jonathan Brassow <jbrassow@xxxxxxxxxx>
wrote:
> Neil,
>
> I've noticed that the "check" operation no longer works for RAID10. It
> works just fine for the other RAIDs. The ("data-check") sync_thread
> kicks off just fine, sync_request_write() is called, but it never gets
> past:
> if (i == conf->copies)
> goto done;
> The test I am performing creates a RAID array, waits for it to sync,
> shuts it down, writes random data to one of the devices, assembles the
> array, and then runs a "check" - there should be descrepancies. The
> descrepancies are found and recorded in resync_mismatches for all RAIDs
> <= 3.9 and only for non-RAID10 3.10-rc1+.
I just tried on 3.10-rc5+ and it works as expected.
If you can provide a test script that fails, I'll look into it.
>
> I'm sorry I haven't tracked it down yet and I'm going to be on vacation
> starting tomorrow with only intermittent access to e-mail. Sorry to
> leave you hanging.
Go enjoy your vacation and don't worry about me hanging :-)
>
> Thanks,
> brassow
>
> P.S. This also reminded me of a patch I have concerning tracking the
> last sync action for the purpose of making mismatch_count more useful.
> I'll post that before leaving.
>
Thanks.
NeilBrown
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