> 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