Re: Huge values of mismatch_cnt on RAID 6 arrays under Fedora 18

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On Jan 28, 2013, at 4:03 PM, Wolfgang Denk <wd@xxxxxxx> wrote:

> Dear Chris,
> 
> In message <1CEFA702-4512-40C1-ABE4-0FF7F42D9F44@xxxxxxxxxxxxxxxxx> you wrote:
>> 
>> Actually it also needs to be reproduced as well. Wolfgang, the
>> arrays were created/running under what version of mdadm and kernel
>> the last time you did a check and there were no problems?
> 
> No. The arrays were created before the update, and were running fine
> by then.  The most recent of them was created under Fedora 17 - the
> other two are much older; it would take a bit of effort to find out
> when I created these, and with which exact versions.
> 
> The last time bbefore the update to Fedora 18, all systems were
> running Fedora 17 (with almost all updates installed), and there were
> no problems.

Yes but what kernel version and mdadm? Right now 3.7.3-104 is stable kernel for Fedora 17, and 3.2.6-8 for mdadm for Fedora 17. So saying Fedora 17 tells not very much.

> 
>> And now you're on Fedora 18, but the problem appeared with what
>> version of mdadm and kernel?
> 
> The problem showed up during the first check after updating to Fedora
> 18.  This is with:
> 
> 	kernel-3.7.4-204.fc18.x86_64
> 	mdadm-3.2.6-12.fc18.x86_64

OK and the versions before that, that you know the problem was not occurring?


Chris Murphy--
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