On 31/08/2010 11:07, Andreas Reschke wrote: > > centos-bounces@xxxxxxxxxx wrote on 31.08.2010 11:43:50: > > > Gabriel Tabares <gabriel.tabares@xxxxxxxxxxxx> > > Gesendet von: centos-bounces@xxxxxxxxxx > > > > 31.08.2010 11:44 > > > > Bitte antworten an > > CentOS mailing list <centos@xxxxxxxxxx> > > > > An > > > > CentOS mailing list <centos@xxxxxxxxxx> > > > > Kopie > > > > Thema > > > > 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@xxxxxxxxxx > > 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. Tried that. I only have one controller: [root@db02 ~]# cat /proc/partitions major minor #blocks name 104 0 292935982 cciss/c0d0 104 1 265217053 cciss/c0d0p1 104 2 2988090 cciss/c0d0p2 8 0 683593744 sda 8 1 683589816 sda1 8 16 683593744 sdb 8 17 683589816 sdb1 8 32 683593744 sdc 8 33 683589816 sdc1 [root@db02 ~]# echo "- - -" > /sys/class/scsi_host/host0/scan [root@db02 ~]# cat /proc/partitions major minor #blocks name 104 0 292935982 cciss/c0d0 104 1 265217053 cciss/c0d0p1 104 2 2988090 cciss/c0d0p2 8 0 683593744 sda 8 1 683589816 sda1 8 16 683593744 sdb 8 17 683589816 sdb1 8 32 683593744 sdc 8 33 683589816 sdc1 Still not appearing at all. > > Gruß > Andreas Reschke > ________________________________________________________________ > > Unix/Linux-Administration > Andreas.Reschke@xxxxxxxxxxxxx > > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos