> Hi everybody.
>
> I have an HP StorageWorks array connected to one of my servers,
> connected via an LSI controller (lspci reports: SCSI storage controller:
> LSI Logic / Symbios Logic SAS1068E PCI-Express Fusion-MPT SAS (rev 08))
> on an HP DL385 running CentOS 5.5 x86_64.
>
> I have set up multipath and all is working but, when I create a snaphost
> and export it as a new LUN from the HP web interface, it does not appear
> as a new disk. If I reboot, I get the LUN to appear as a new SCSI
> device (sd[a-z]).
>
> Is there any way I can force automatic detection? One of the reasons to
> use snapshots is to be able to back up the system without downtime, so
> not being able to detect the LUNs makes the whole set up a bit pointless.
>
> I have tried kudzu, the rescan-scsi-bus.sh script and everything else I
> have found online, with no luck. The LSI tools only seem to be available
> for i386, and I would like to avoid adding the 32bit environment, if I
> can.
>
> Any help would be greatly appreciated.
>
> Thanks,
>
> Gabriel Tabares
rescan-scsi-bus.sh from sg3-utils should work.
Please see
http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/html/Online_Storage_Reconfiguration_Guide/scanning_for_new_devices.html.
Regards
Alexander
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