I did the same with HP MSA in the past, but without dm involved. You can use "blockdev --rereadpt <blockdevice>" to make the the kernel recognise the new disk size (geometery). The nasty thing is that you have to stop all I/O to the blocdevice. Roland Mieslinger > -----Original Message----- > From: dm-devel-bounces@xxxxxxxxxx > [mailto:dm-devel-bounces@xxxxxxxxxx] On Behalf Of Alexander Benaguev > Sent: Mittwoch, 4. Juli 2007 19:17 > To: dm-devel@xxxxxxxxxx > Subject: online disk resizing > > hi, list > > I have fc-based SAN which has ability to resizing logical > disks online (IBM DS4000). is this a method tell about > resizing to host system (centOS 5) without reboot or echo > "scsi remove(add)-single-device 0 1 2 3"? I use multipath if > this matters. will apprecate any help > > alexander > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
