[Lustre-discuss] ost mount failed

[Isaac Huang]

On Wed, Feb 20, 2008 at 11:19:06PM +0100, Tomec Martin wrote:
> According to tutorial I started MGS and MDT on first machine (with IP 
> 192.168.2.55):
> mkfs.lustre --mgs /dev/sdb1
> mkdir -p /mnt/mgs
> mount -t lustre /dev/sdb1 /mnt/mgs
> mkfs.lustre --fsname=testfs --mdt --mgsnode=192.168.2.55 at tcp0 /dev/sdb2
> mkdir -p /mnt/test/mdt
> mount -t lustre /dev/sdb2 /mnt/test/mdt
> 
> On second machine I tried start OST with:
> mkfs.lustre --fsname=testfs --ost --mgsnode=192.168.2.55 at tcp0 /dev/sdb
> mkdir -p /mnt/test/ost0
> mount -t lustre /dev/sdb /mnt/test/ost0
> 
> but got this error:
> mount.lustre: mount /dev/sdb at /mnt/test/ost0 failed: Input/output error
> Is the MGS running?

Was there any error messages in 'dmesg' on the node?

Isaac

> 
> Machines can comunicate and MGS is probably running.
> It is Lustre 1.6.4.2 and kernel 2.6.18
> Have you any ideas where could be a problem?
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