[CentOS] unattended fsck on reboot
rudiahlers at gmail.com
Thu Feb 18 00:26:25 UTC 2010
On Thu, Feb 18, 2010 at 2:13 AM, nate <centos at linuxpowered.net> wrote:
> Rudi Ahlers wrote:
> > Is it "absolutely" necessary to run this on servers? Especially since
> > 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?
> > just had one server run fsck for 2+ hours, which is not really feasible
> > 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.
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 :)
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