Hi, > In our SAN (IBM DS4800), I can increase the size of a logical drive. > However, I can't figure out how to make RHEL 5.1 see that the > device has > been enlarged.
Does 'sfdisk -R <device>' work? Reading previous posts I guess not in combination with mp, but who knows ;) Cheers, Andre >I've tried rescanning the SCSI hosts with > commands like: > > echo "- - -" > /sys/class/scsi_host/host1/scan > echo "- - -" > /sys/class/scsi_host/host2/scan > > (host 1 and 2 are the fibre channel HBAs connected to the san.) > > Neither "multipath -F" nor "partprobe /dev/sdi" help, either. > > I also tried (one line): > for f in `find /sys/devices/pci0000:00/0000:00:04.0 -type f > -name rescan`; do echo 1 > $f; done > > After this, /var/log/messages contained lines like: > Feb 7 23:47:50 hostname kernel: SCSI device sdi: 293601280 > 512-byte hdwr sectors (150324 MB) > Feb 7 23:47:50 hostname kernel: sdi: Write Protect is off > Feb 7 23:47:50 hostname kernel: SCSI device sdi: drive > cache: write back w/ FUA > > The above lines resulted in some optimism, however no matter what I > do, the output of "multipath -l" and "fdisk -l ..." still shows the > old capacity. > > The only thing which seems to work is a reboot, but this is not always > an option. > > How can I make the operating system fully aware of the increased > capacity of a device? > > -- > Regards, > Troels Arvin <[EMAIL PROTECTED]> > http://troels.arvin.dk/ > > _______________________________________________ > rhelv5-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/rhelv5-list > > _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
