You'd probably be best off finding the largest directories (eg user's $HOME) and moving that onto the mirrored TB drives, and go from there.
2009/11/3 Nigel Allen <d...@edrs.com.au> > > Hi All > > I'm trying to assist a client who is running out of space. > > They have an HP DL360G4 with 2 x 160GB Maxtor SATA drives. they want us to > replace them with 2 x 1TB Seagate drives. They are currently running > everything (apart from /boot) from the root partition and are sitting on > around 97% full. > > The problem is their current disk set up. > > First disk looks like this: > > Disk /dev/sda: 160.0 GB, 160041885696 bytes > 255 heads, 63 sectors/track, 19457 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sda1 * 1 13 104391 83 Linux > /dev/sda2 14 19216 154248097+ fd Linux raid > autodetect > > While the second looks like this: > > Disk /dev/sdb: 160.0 GB, 160041885696 bytes > 255 heads, 63 sectors/track, 19457 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sdb1 * 1 254 2040223+ 82 Linux swap > /dev/sdb2 255 19457 154248097+ fd Linux raid > autodetect > > As you can guess, /boot is on /dev/sda1 and root is on the linux raid > partition (RAID 1). The RAID looks like this: > mdadm --detail /dev/md0 > /dev/md0: > Version : 00.90.01 > Creation Time : Fri Nov 11 11:37:46 2005 > Raid Level : raid1 > Array Size : 154248000 (147.10 GiB 157.95 GB) > Device Size : 154248000 (147.10 GiB 157.95 GB) > Raid Devices : 2 > Total Devices : 2 > Preferred Minor : 0 > Persistence : Superblock is persistent > > Update Time : Tue Nov 3 16:40:57 2009 > State : clean > Active Devices : 2 > Working Devices : 2 > Failed Devices : 0 > Spare Devices : 0 > > UUID : 034603b7:67d1a2c7:35610b04:82f5961d > Events : 0.2957028 > > Number Major Minor RaidDevice State > 0 8 2 0 active sync /dev/sda2 > 1 8 18 1 active sync /dev/sdb2 > > What is the best way to replace these and allow for expansion later? Given > that I'll end up with 2 x 1TB and 2 x 160GB drives, it would have been > fantastic to use them all with boot, swap and root mirrored at device level > but the bloody stupid DL360 only has space for 2 x sata drives in total, > internally. Added complication is that it is a fairly mission critical > system so whatever we do we have to do it soon and have it back up the next > morning. > > What sayest the collective consciousness of the SLUG? > > With Thanks and Regards > > Nigel. > > -- > SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ > Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html > -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
