<p>I believe the reason that you can't fsck a mounted fs is because of the chance of writes during the fsck. But when you make a snapshot, it doesn't get mounted until you explicitely mount it somewhere.</p>
<p>sent from my shoe phone</p>
<p><blockquote type="cite">On Nov 10, 2009 7:48 AM, "Ed Cashin" <<a href="mailto:ecashin@noserose.net">ecashin@noserose.net</a>> wrote:<br><br>On Mon, Nov 9, 2009 at 5:03 PM, Greg Freemyer <<a href="mailto:greg.freemyer@gmail.com">greg.freemyer@gmail.com</a>> wrote<br>
<p><font color="#500050">> All,
>
> I just read the below piece of advice which was new to me.
>
> Ted Tso, the main ext4 dev...</font></p>Because fsck runs on unmounted filesystems, I would expect<br>
there to be a need to unmount before making the LVM snapshot.<br>
<br>
Do you have a link to Ted Tso's advice so that I can look for<br>
details like this one?<br>
<font color="#888888"><br>
--<br>
Ed Cashin <<a href="mailto:ecashin@noserose.net">ecashin@noserose.net</a>><br>
<a href="http://noserose.net/e/" target="_blank">http://noserose.net/e/</a><br>
<a href="http://www.coraid.com/" target="_blank">http://www.coraid.com/</a><br>
</font><p><font color="#500050">
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