On Jan 31, 2008 12:40 PM, Plant, Dean <dean.plant at roke.co.uk> wrote: > I am fairly new to ISCSI and SAN technology but having recently invested > in the technology I am trying to find out exactly what can and can not > be manipulated, filesystem wise, without requiring a reboot. I am using > the inbuilt software ISCSI initiator and multipathing in CentOS 5.1. Without a reboot of the centos, certainly; just restart the iscsi service! Without stopping the iscsi ? Probably, take a look at the iscsiadm manual. > > My steps so far. > > Create 10GB volume on SAN > # iscsiadm -m session -R > # fdisk /dev/mapper/mpath0 > # kpartx -a /dev/mapper/mpath0 You dont need to create additional partition, just use /dev/mapper/mpath0 instead of /dev/mapper/mpath1 ! > # mke2fs -j /dev/mapper/mpath0p1 > # mount /dev/mapper/mpath0p1 /test-mount <--works fine to here--> > > Now I want to extend the volume on the SAN to 15GB run fdisk and use > resize2fs to extend the filesystem, is this possible without a reboot? > Currently, I don't seem to be able to get fdisk to see the new disk size > after extending the volume. I know this can be done using LVM if I > created 2 volumes rather than extending but I am curious to know if it > can be done without LVM. If you want to do the job without dismounting the ext3 partition, this is an interesting challenge. Because with LVM this is too easy :-) > > Any other tips about what can be done with ISCSI would be welcome. > > Thanks > > Dean > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- Alain Spineux aspineux gmail com May the sources be with you