On 7/7/08, Janne Blomqvist <[EMAIL PROTECTED]> wrote: > > 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.
the sysctl command might do a lot of these things already, and if not it probably will.
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