Checking filesystems periodically

Chris Ball cjb at
Fri May 4 10:27:47 EDT 2012


On Fri, May 04 2012, Chris Ball wrote:
> Hi,
> On Fri, May 04 2012, Daniel Drake wrote:
>> Until F17 we haven't had a good way of communicating this via the boot
>> animation. Now we can do that easily but it lacks implementation.
>> Thirdly, fsck is not magic. It cannot detect/repair all corruption. As
>> far as I know, we have not yet found a case of corruption which can be
>> meaningfully fixed by fsck. We did do quite a bit of testing for this
>> at an earlier point.
> Also, our users cannot be expected to understand (or obey) a requirement
> that they not turn off the machine while it's doing something dangerous:
> so if powering down half way through fsck leaves the filesystem in a
> worse state than it was before fsck ran, we probably shouldn't do it
> at all.

Another also: sometimes when fsck finds an inconsistency it asks you for
the root password, but some of our users don't have the root password,
so they might end up in a reboot loop where they can't progress.

- Chris.
Chris Ball   <cjb at>   <>
One Laptop Per Child

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