Hi, I've found Alasdair's mail from ~1 year ago on something in this area, but it isn't quite the answer that I was looking for. http://www.redhat.com/archives/linux-lvm/2004-December/msg00049.html Is there anyone on this mailing list that can help with my PVRESIZE questions below? Thanks, Roger > -----Original Message----- > From: linux-lvm-bounces@redhat.com [mailto:linux-lvm-bounces@redhat.com] > On Behalf Of Roger Lucas > Sent: 21 February 2006 18:01 > To: 'LVM general discussion and development' > Subject: Situation with PVRESIZE command > > Hi, > > I am running LVM on top of a large RAID controller with a 16-drive > capability (of which just 4 disks are currently active). The RAID array > appears as a single SCSI disk, "/dev/sda". A quick summary of the LVM > information is below. > > tiger:~# lvm version > LVM version: 2.01.04 (2005-02-09) > Library version: 1.01.00-ioctl (2005-01-17) > Driver version: 4.4.0 > tiger:~# pvs > PV VG Fmt Attr PSize PFree > /dev/sda storage lvm2 a- 745.05G 39.05G > tiger:~# vgs > VG #PV #LV #SN Attr VSize VFree > storage 1 3 0 wz--n 745.05G 39.05G > tiger:~# lvs > LV VG Attr LSize Origin Snap% Move Copy% > home storage -wi-ao 2.00G > root storage -wi-ao 2.00G > var storage -wi-ao 2.00G > main storage -wi-ao 700.0G > tiger:~# mount > /dev/mapper/storage-root on / type reiserfs (rw) > proc on /proc type proc (rw) > sysfs on /sys type sysfs (rw) > devpts on /dev/pts type devpts (rw,gid=5,mode=620) > tmpfs on /dev/shm type tmpfs (rw) > /dev/hda1 on /boot type ext3 (rw,noatime) > /dev/mapper/storage-home on /home type reiserfs (rw) > /dev/mapper/storage-var on /var type reiserfs (rw) > /dev/mapper/storage-main on /main type reiserfs (rw) > usbfs on /proc/bus/usb type usbfs (rw) > tmpfs on /dev type tmpfs (rw,size=10M,mode=0755) > tiger:~# > > I now need to increase my RAID capacity. I can increase the physical RAID > capacity by adding another disk to the controller and getting it to re- > build > the array in the background, thus increasing the size of "/dev/sda", but I > am not clear as to how I can increase the PV size in LVM. > > I have seen some references to a "pvresize" command, but it isn't in the > latest 2.01.15 stable release (although it does appear in the 2.02.02 > development release). > > Hence, my questions are: > > - Is it possible to re-size a PV whilst the system is online using the > 2.01.15 tools? > > - Is it possible to re-size a PV whilst the system is online using the > 2.02.02 tools? > > - How "stable" are the 2.02.02 tools, and are there any specific bugs in > them that may cause problems during typical usage. > > Thanks, > > Roger > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
