On Wed, 2006-05-17 at 12:31 +0100, Dermot Paikkos wrote: > So from what I've read so far, there is no way to do an on-line > expansion of the filesystem, I have to destroy the current > filesystem, create it a new and restore the data. Not what I had > hoped for when I bought a RAID card that does on-line expansion! > > > > It I do fdisk /dev/sda5 doesn't show me the same information, and > > > doesn't list any size. The filesystem is ext3. > > As I don't seem to have a choice and I have to re-create the volume, > would it be possible to use LVM on that that volume alone > (/dev/sda5)? > > I was under the impression that LVM was a software RAID system and I > wanted to use hardware RAID, did I get that wrong too? > > Here's my current filesystem: > /dev/sda2 26G 11G 14G 45% / > /dev/sda1 104M 17M 82M 17% /boot > /dev/shm 1.1G 0 1.1G 0% /dev/shm > /dev/sda6 107M 0 107M 0% /dos > /dev/sda5 681G 611G 35G 95% /data > > OS: Fedora Core release 4 (Stentz) > > The plan is to slowly increase the available size on this server so I > want to swap the 174GB SCSI disks for 300GB ones. > > Should I recreate the whole system from scratch and use LVM? > > Sorry I am looking for a few quick answers before reading all of > http://www.tldp.org/HOWTO/LVM-HOWTO/index.html > > TIA. > Dp. > > > > > > On 16 May 2006 at 14:24, Tom Callahan wrote: > > > Is partition 5 the last partition on that disk? If it is, you > > theoretically can just delete partition 5, and then recreate it with a > > bigger size. MAKE SURE TO TAKE A BACKUP FIRST....JUST IN CASE. > > > > This is why LVM is your friend....If you had /dev/sda as a PV, and > > then multiple VG's under that, with LV's under that....You could add > > the disk, resize the PV, resize the VG and LV's and then resize the > > filesystem, without making changes to the partition tables. > > > > Thanks, > > Tom Callahan > > > > > > > > > On Tue, 2006-05-16 at 13:43 -0400, Dermot Paikkos wrote: > > > > Hi Admins, > > > > > > > > I have a server with an Adaptec 2120S Raid controller. There are > > > > were 6 x 174GB disks and one hot spare. I moved the hotspare into > > > > the RAID 5 volume and the Adaptec Storage Manager shows the volume > > > > has grown from 681 to 821GB. > > > > > > > > My problem is that the OS doesn't see it that way. If I remount > > > > the volume it is still seen as a 681Gb volume. > > > > > > > > /dev/sda5 681G 608G 38G 95% /data > > > > > > > > It I do fdisk /dev/sda5 doesn't show me the same information, and > > > > doesn't list any size. The filesystem is ext3. > > > > > > > > Disk /dev/sda5: 705.4 GB, 705416431104 bytes > > > > 255 heads, 63 sectors/track, 85761 cylinders > > > > Units = cylinders of 16065 * 512 = 8225280 bytes > > > > > > > > Device Boot Start End Blocks Id System > > > > > > > > When I tried to write the new disk label it failed > > > > > > > > Calling ioctl() to re-read partition table. > > > > > > > > WARNING: Re-reading the partition table failed with error 22: > > > > Invalid argument. The kernel still uses the old table. > > > > > > > > Does anyone know what I need to do to expand the current volume? > > > > Is it possible? > > - > : send the line "unsubscribe linux-admin" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Maybe ext2online could help. Calin ================================================= Slous' Contention: If you do a job too well, you'll get stuck with it. - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
