Re: Random MD Raid resyncs?

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On Mon, Nov 02, 2009 at 06:40:59PM -0500, Jesse Wheeler wrote:

> AFAIK, any of the RAID devices are not mounted 'auto-read-only' by the
> kernel.  I'll double check /etc/fstab, /var/log/messages, and
> /var/log/dmesg when I get back to the site.  Unless there was a change
> by the upstream vendor, I wouldn't mount a production filesystem in
> that manner.  Of course, I've been surprised before!

auto-read-only is an internal state of the RAID array, it has nothing to
do with file systems. So you probably won't find anything in the
locations you mention above; auto-read-only is only displayed in
/proc/mdstat. Look at the mdadm man page and read the sections "Auto
Assembly" and "INCREMENTAL MODE".

Gabor

-- 
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     MTA SZTAKI Computer and Automation Research Institute
                Hungarian Academy of Sciences
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