Thank you. That worked great. Got the same answer from another forum where I cross posted. I didn't even think to remove RDAC from the equation completely. -GT On Wed, Mar 24, 2010 at 10:06 AM, Eugene Vilensky <evilensky@xxxxxxxxx> wrote: > On Tue, Mar 23, 2010 at 12:36 PM, GT4NE1 <GT4NE1@xxxxxxxxx> wrote: >> Hi all, >> >> I'm running RHEL 5.2 64bit with RDAC 09.02.C2.16 attached to Sun >> StorageTek 6540 LUNs. According to the RDAC docs, the "hot_add -d" >> command should remove any unmapped LUNs without having to reboot, but >> Sun support says rebooting is the only way. I've tried "hot_add -d" >> and it doesn't work. Can someone confirm or deny. If rebooting is the >> only way, that is a huge flaw in the RDAC drivers considering that is >> the only officially supported RedHat multi-path driver for the 6540 >> according the compatibility matrix. > > Is it unsupported to use good ole sysfs? > > http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/html/Online_Storage_Reconfiguration_Guide/removing_devices.html > > "echo 1 > /sys/block/device-name/device/delete where device-name may > be sde, for example. > Another variation of this operation is echo 1 > > /sys/class/scsi_device/h:c:t:l/device/delete, where h is the HBA > number, c is the channel on the HBA, t is the SCSI target ID, and l is > the LUN." > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > -- Matt Krause krausem@xxxxxxxxx -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list