[CentOS] Cannot remount drive after lost iSCSI connection

[Marcelo Roccasalva]

Any clue on dmesg? I'd remove de disk and rescan...

El jue., 5 de marzo de 2015 a las 7:40, Kyle Thorne (<
kthorne at staff.ventraip.com>) escribió:

> Hi all,
>
> We've having an issue at the moment where an iSCSI connection was
> temporarily lost on a few VMs running CentOS 6 on ESXi.
>
> The problem is, now that the iSCSI connection has returned, we are not able
> to remount the drive.
>
> At first the drive is read-only, so I tried '*mount -o remount,rw*' which
> didn't work (still read-only), so then I tried a '*umount*' (which worked),
> but now I get the following error when trying to mount it again:
>
> root at server [~]# mount /backup/
> mount: /dev/sdb1 already mounted or /backup busy
> root at server [~]# mount /dev/sdb1
> mount: /dev/sdb1 already mounted or /backup busy
>
>
> I have also tried '*echo "- - -" > /sys/class/scsi_host/host1/scan*' and
> checked to see if any processes were using /dev/sdb1 or /backup using '
> *fuser*' and '*lsof*'.
>
> I know a reboot will solve it, but I'm trying to avoid that as best I can,
> so I'm wondering if anyone else has any other ideas?
>
> Any help would be greatly appreciated, thanks. :)
>
> Regards,
>
> Kyle Thorne
>
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