----- Dan White <ygor@comcast.net> wrote: > ----- James Hawtin <oolon@ankh.org> wrote: > > Dan White wrote: > > > > > > I just experienced that. > > > > > > I had to reboot the machine to "see" the expanded LUN. > > > I used fdisk to make a partition out of the LUN expansion, but I had to reboot again before I could do anything further. > > > After the second reboot, I was able to make a PV out of the new partition, roll it into the existing VG and then expand the two test LV's I had previously created to utilize the new elbow room. > > > > > > This is on a RHEL 5.7 system. > > > > > > Is there a way to do this without the rebooting ? > > > > > > > > Assuming the device is sda then > > > > |echo 1 > /sys/block/sda/device/rescan| > > > > However if that fails (and it can) only a reboot or removing the disk > > driver module and reinstalling it will scan it correctly (possible if > > you have a mix of local and san disk) however probably a reboot is easiler. > > > > OK. > How about the addition of a new LUN ? > > A new device (/dev/sdb) should "appear", but I'd like to do it without rerbooting. > !! Found the answer myself !! echo "- - -" > /sys/class/scsi_host/hostX/scan where "X" is the controller you want to refresh. On my system, I see host0 thru host5 in /sys/class/scsi_host/, so I did all 6 and /dev/sdb appeared. I was able to roll it into my volume group with system-config-lvm. Wahoo !! “Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.” Bill Waterson (Calvin & Hobbes) _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
