centos-bounces at centos.org wrote on 31.08.2010 11:43:50: > Gabriel Tabares <gabriel.tabares at roboreus.com> > Gesendet von: centos-bounces at centos.org > > 31.08.2010 11:44 > > Bitte antworten an > CentOS mailing list <centos at centos.org> > > An > > CentOS mailing list <centos at centos.org> > > Kopie > > Thema > > [CentOS] Automatically detecting LUNs without a reboot > > 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 > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos Hi, I do a rescan (online) on multipath with echo "- - -" > /sys/class/scsi_host/host0/scan echo "- - -" > /sys/class/scsi_host/host1/scan echo "- - -" > /sys/class/scsi_host/host2/scan echo "- - -" > /sys/class/scsi_host/host3/scan echo "- - -" > /sys/class/scsi_host/host4/scan echo "- - -" > /sys/class/scsi_host/host5/scan echo "- - -" > /sys/class/scsi_host/host6/scan depends on the amount of controllers. Gruß Andreas Reschke ________________________________________________________________ Unix/Linux-Administration Andreas.Reschke at behrgroup.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100831/eef09971/attachment-0005.html>