[CentOS] File system goes read-only once in a while
Mufit Eribol
hme at onart.com.trFri Aug 1 06:21:26 UTC 2008
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William L. Maltby wrote: > On Thu, 2008-07-31 at 10:08 +0300, Mufit Eribol wrote: > >> Hi, >> >> My Centos 5.2 server (5.1 suffered the same problem as well) has a >> logical volume on a RAID 10 array (4 SATA harddisks on a Highpoint >> RR2310 controller). /etc/fstab has an entry for this array as below >> /dev/raid_vg0/raid_lv0 /mnt/raid ext3 defaults 0 0 >> >> Normally it works OK. But, file system of "this volume" once in a while >> goes "read only" mode. The RAID software reports no problem with the >> hard disks. After reboot, the system comes back in normal rw mode. >> > > If it happens again, you may be able to avoid the reboot with > > mount -o remount,rw /mnt/raid > > As to your "how to check production ...", easy. The trade-off (down > time, reboot, ...) makes it easy to decide to knock users down, umount > the FS, run the check, remount, tell users they can go again. William, thank you for the hint. Nevertheless, the command doesn't mount rw. It says mount: block device /dev/raid_vg0/raid_lv0 is write-protected, mounting read-only I had to reboot again. Mufit
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