All,
I am looking for a little help on finding out the best way to do
this. I had a 4 disk 1.4TB RAID 5 array, and extended that to an 8 disk
3.18TB array, on a 64 bit system.The Raid card handled the migration of
the disks well, and everything on that side is up and running as it
should. Problem is I don't know how to extend LVM to a larger size,
without doing the whole adding of physical drives, and so forth, and the
pv display doesn't show more than the 1.4TB that I started with. Most
documentation details software RAID procedures that don't really work
with this. I figure I am doing something(lots of things) wrong.
Commands I have used:
Thu Oct 09-13:10:36-root@haruhi:~> pvs -o +dev_size
PV VG Fmt Attr PSize PFree DevSize
/dev/sda2 VolGroup00 lvm2 a- 9.78G 64.00M 9.81G
/dev/sdb1 VolGroup00 lvm2 a- 1.35T 576.00M 1.35T
This error is after I resized the pv back to its original size:
Thu Oct 09-13:11:32-root@haruhi:~> lvresize -d -L 3.18T
/dev/VolGroup00/LogVol00
Rounding up size to full physical extent 3.18 TB
Extending logical volume LogVol00 to 3.18 TB
Insufficient free space: 59572 extents needed, but only 20 available
Before that I was seeing:
device-mapper: reload ioctl failed: Invalid argument
Failed to suspend lv1
Kernel output
Oct 9 12:43:02 haruhi kernel: device-mapper: ioctl: error adding target
to table
Oct 9 12:43:08 haruhi kernel: device-mapper: table: device 8:17 too
small for target
Oct 9 12:43:08 haruhi kernel: device-mapper: table: 253:0: linear:
dm-linear: Device lookup failed
Oct 9 12:43:08 haruhi kernel: device-mapper: ioctl: error adding target
to table
Hardware:
0d:01.0 RAID bus controller: 3ware Inc 9550SX SATA-RAID
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:0: [sda] 20971519 512-byte
hardware sectors (10737 MB)
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:0: [sda] Write Protect is off
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:0: [sda] Write cache: enabled,
read cache: disabled, doesn't support DPO or FUA
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:0: [sda] 20971519 512-byte
hardware sectors (10737 MB)
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:0: [sda] Write Protect is off
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:0: [sda] Write cache: enabled,
read cache: disabled, doesn't support DPO or FUA
Oct 9 11:58:39 haruhi kernel: sda: sda1 sda2
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:0: [sda] Attached SCSI disk
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] Very big device. Trying
to use READ CAPACITY(16).
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] 6814820353 512-byte
hardware sectors (3489188 MB)
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] Write Protect is off
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] Write cache: enabled,
read cache: disabled, doesn't support DPO or FUA
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] Very big device. Trying
to use READ CAPACITY(16).
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] 6814820353 512-byte
hardware sectors (3489188 MB)
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] Write Protect is off
Oct 9 11:58:39 haruhi kernel: sd 0:0:0:1: [sdb] Write cache: enabled,
read cache: disabled, doesn't support DPO or FUA
processor : 7
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU E5430 @ 2.66GHz
Memory installed 4GB
O/S Fedora 9 x86_64
Thanks in advance,
Seann
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