Re: unattended fsck on reboot

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On Thu, Feb 18, 2010 at 2:13 AM, nate <centos@xxxxxxxxxxxxxxxx> wrote:
Rudi Ahlers wrote:

> Is it "absolutely" necessary to run this on servers? Especially since they
> don't reboot often, but when they do it takes ages for fsck to finish -
> which on web servers causes extra unwanted downtime.
>
> Or is there a way to run fsck with the server running? I know it's a bad
> idea, but is there any way to run it, without causing too much downtime? I
> just had one server run fsck for 2+ hours, which is not really feasible in
> our line of business.

For me at least on my SAN volumes I disable the fsck check after X
number of days or X number of mounts. Of all the times over the years
where I have seen this fsck triggered by those I have never, ever seen
it detect any problems.

I don't bother changing the setting for local disks as it is usually
pretty quick to scan them. You must have a pretty big and/or slow
file system for fsck to take 2+ hours.

nate


_______________________________________________


This particular server has 2x 500GB HDD's with failry "full" XEN VM's on it, each with it's own LVM volumes, so I guess it's a bit more complex than a normal ext2 system :)

--
Kind Regards
Rudi Ahlers
SoftDux

Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
Office: 087 805 9573
Cell: 082 554 7532
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