Troels Arvin wrote:
Another storage related feature which I really miss:
If the size of a disk is increased (e.g. due to a logical drive size
increase in the SAN), the increased capacity should be discovered by the
OS (perhaps after running some "check_for_changed_block_devices"
command). With RHEL 5 (and probably earlier), I haven't found a way,
other than a reboot.
Try partprobe, part of the parted package. Haven't needed this myself
yet, but AFAICT this is the tool that allows to grow SAN luns on the fly.
Oh, and: There shoud be a more civilized way to have RHEL re-scan the
SCSI devices, instead of echoing special values into various files in
the /sys file system.
I have used
http://www.garloff.de/kurt/linux/rescan-scsi-bus.sh
which puts a slightly easier interface around the "tickle files in /sys
and/or /proc" thing.
--
Janne Blomqvist
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