Re: EXT3 fs error on RAID1 device

[centos44 <centos44@xxxxxxxxxx>]

Hi-

Rasmus Back:
> I have a Dell SC440 running Centos 4.4. It has two 500GB disks in a
> RAID1 array using linux software raid (md1 is / and md0 is /boot).
> Recently the root file system was remounted read-only for some reason.

I had the very same behavior on a RAIDI set on an Areca controller
(but no software RAID or VMWare). Scary.

I believe if you have the WD drives, it could also be a hardware
issue... look:

http://www.theinquirer.net/default.aspx?article=37188
http://support.wdc.com/download/index.asp?cxml=n&pid=15&swid=57

Affects 500GB drives. In that particular situation, dmesg said:

EXT3-fs error
gone raid volume
device dm-0
error reading directory

Then the / volume remounted itself RO while also reporting 100%
usage.. 



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