Strange kern.log error log entries.
Lennart Sorensen
lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Wed Jul 10 14:09:34 UTC 2013
On Wed, Jul 10, 2013 at 09:31:25AM -0400, Myles Braithwaite wrote:
> After yesterdays power outage a number of my computers are showing the
> following errors in the /var/log/kern.log:
>
> $ cat /var/log/kern.log | grep sd | grep re-mounted
> Jul 8 23:59:46 hawkeye kernel: [ 6.997538] EXT4-fs (sda1):
> re-mounted. Opts: errors=remount-ro
> Jul 9 01:51:56 hawkeye kernel: [ 8.208955] EXT4-fs (sda1):
> re-mounted. Opts: errors=remount-ro
> Jul 9 10:15:43 hawkeye kernel: [ 8.115715] EXT4-fs (sda1):
> re-mounted. Opts: errors=remount-ro
>
> From what I can tell from Google this just means that the power went
> out and the computer did a hard reset.
>
> Should I be worried that the drive is going to die?
Are you sure those aren't during boot when the fsck has completed and
the root FS is remounted from r/o to r/w?
I see this on this machine during boot:
[ 58.525614] EXT4-fs (md0): re-mounted. Opts: (null)
[ 58.817568] EXT4-fs (md0): re-mounted. Opts: errors=remount-ro
After all, 8 seconds after boot seems a lot like the time it would
remount the filesystem read/write after doing the boot time fsck.
As far as I can read that message, it says "I remounted the filesystem
with different options. The current options are: errors=remount-ro".
And since I have fstab like this:
UUID=9e4f39b8-9661-4674-8f03-f458f487b671 / ext4 errors=remount-ro 0 1
That would in fact be the correct options to be using. After all 'ro'
is a non default option, so it would probably boot mounted with 'ro',
then remount with options 'errors=remount-ro', but no longer 'ro',
meaning it is now read/write instead.
--
Len Sorensen
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