El -10/01/37 16:59, Jake Vickers escribió:
On 07/07/2011 11:47 AM, Sergio M wrote:
Hi there list.
Yesterday I had this weird problem with my QMT box. First, the SMTP and POP3
services stopped to answer. So I ssh'ed in and made a qmailctl stat.
Every service looked like this:
supervise: fatal: unable to acquire log/supervise/lock: read-only file system
So I tried to qmailctl stop and start, but neither of them worked. I decided
to reboot. And then I lost connection to the box.
After I made it to the datacenter, i found out that it was stuck in the boot
sequence, waiting for the root password to be entered to make a manual fsck.
I entered passwd, ran 'fsck /' and it fixed some inodes and stuff. It
finished booted and everything went to normal. I forced a fsck with 'shutdown
-Fr now' and found nothing.
So the questions:
1. I found nothing about thise read-only error on the archives. Anyone has
any ideas of what might have happened or where to look for possible causes?
2. Is there a way to configure CentOS to do this fsck on boot completely
unattended? So that it it reboots again there is no need to go to the NOC to
enter root password and run the fsck manually?
This is not QMT specific.
Look in your messages file for for medium errors - what most likely happened
is that there were some bad sectors on the disk, which ended up timing out and
causing the system to mount it read only.
As far as automtically doing this on a boot (when needed), yes and no. Yes if
the system is not in too bad of shape - no if the system is bricked.
In your /etc/fstab file, the fifth column is your dump options, and the sixth
column your filesystem check options. Dump is for backups, so you can ignore.
The sixth column for the filesystem check - that's the one you want. When the
system boots up, it determines what order to do a filesystem check (if neede)
by the number in the sixth column. If it's a zero, it is not checked, and if
there was an error on that system is will be unmounted or read only when the
system boots up. I normally use a "1" for my root filesystem to get that
checked first, but that's my option.
Ok, thank you Jake.
I will clone the HDD in a new one just to be sure and leave the old one aside.
Thanks!
-Sergio
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