[linux-lvm] iSCSI lun resize

[Igor Feoktistov]

I've heard there is the plan to implement pvresize.
The sequence below works. However, it requires reboot.
--
vgcfgbackup
edit file
pvcreate --restorefile --uuid
vgcfgrestore
--
Not sure if new pvresize will do it on fly.
May be somebody from lvm development team can answer this.
Yes, I know that partitioning works.
However, there is a restriction on the number of partitions.

Thanks,
Igor.

>From: Alex Owen <r.alex.owen at gmail.com>
>To: linux-lvm at redhat.com
>Content-Disposition: inline
>Subject: [linux-lvm] iSCSI lun resize
>
>Igor, the trick is to partition the iSCSI device. I have not done this
>with iSCSI but have with a Fibre Channel SAN.
>
>You made sdb  a PV. LVM cannot resize a PV.
>If you partitioned sdb and made sdb1 a PV then you could using iSCSI
>resize sdb, then make a new partition from the new free space on
>sdb... lets call this sdb5 (logical partition). Then pvcreate
>/dev/sdb5 then vgextend your VG onto /dev/sdb5 then resize the LV then
>grow the filesystem.
>
>The problem may be that you need to reboot to get the kernel to
>re-read the partition table...
>
>Alternativly present a new iSCSI LUN lets call this sdc. Make a PV on
>that and add that PV to the VG... then resize the LV then grow the
>filesystem.
>
>Regards
>Alex Owen
>
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