From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: 06 October 2009 16:03 To: [email protected] Subject: [rhelv5-list] Increase size of a LUN without reboot Hi All, is it possible to increase the size of a SAN LUN in order to extend a LVM PV and VG living on that LUN without a reboot? Of course I can hot-add a new physical disk and extend the VG but for some reasons we sometimes want to resize an existing LUN so that the number of LUNs attached to the system remains constant. Any hints are welcome. Thank you! Best Regards, Oliver Fenker Oliver pvcreate /dev/sdx vgextend vgname /dev/sdx lvextend /dev/vgname/lvname -L+10G [/dev/sdx] resize2fs /dev/vgname/lvname man pvcreate man vgextend man lvextend No reboot necessary and no need to unmount the file system.
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