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07/20/2009 at 02:08PM PDT, ID: 24585605
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6.6

Expanding an Logical Volume on an expanded HP MSA60

Asked by sundoginteractive in Linux, Disk Partition Tools, Storage Technology

Tags: msa60, lvm, fedora

Ok the rundown:
Fedora 11
HP MSA60 attached to p800 controller.
Shelf had 8-750 GB drives in it for starters using RAID 6. Used LVM to create a VG.
All of that is working fine.

I added 4 more 750GB drives to the shelf. I used the hpacucli to expand the RAID array and everything is fine as far as the MSA60 and controller are concerned - it shows a nice 6.8TB array.

in Fedora, an fdisk -l /dev/cciss/c0d0 (the msa) shows this:
[root@vs02 ~]# fdisk -l /dev/cciss/c0d0

WARNING: GPT (GUID Partition Table) detected on '/dev/cciss/c0d0'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/cciss/c0d0: 7501.2 GB, 7501224730624 bytes
255 heads, 63 sectors/track, 911971 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000

           Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c0d0p1               1           1          16+  ee  GPT
/dev/cciss/c0d0p2   *           1      267350  2147483647+  8e  Linux LVM



lvdisplay -m shows this (for the relevant volume group):

  --- Logical volume ---
  LV Name                /dev/VolGroup01/LogVol00
  VG Name                VolGroup01
  LV UUID                WdHpL0-BF93-Efxs-Kn8d-CxMS-p0KW-s2sy8A
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                4.09 TB
  Current LE             134131
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

  --- Segments ---
  Logical extent 0 to 134130:
    Type                linear
    Physical volume     /dev/cciss/c0d0p1
    Physical extents    0 to 134130



vgdisplay shows this:

 --- Volume group ---
  VG Name               VolGroup01
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  2
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               1
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               4.09 TB
  PE Size               32.00 MB
  Total PE              134132
  Alloc PE / Size       134131 / 4.09 TB
  Free  PE / Size       1 / 32.00 MB
  VG UUID               6S1bpq-aw8j-nkJi-qex2-jQ7Q-npHC-2hCP3R


So basically, the system sees that there is a ~7.3TB disk that the current LV / VG resides on, though it's pointing to a weird GPT partition... not sure what that's all about...

Anyway, the total size of this array is actually 6.8TB, here's the output in the HP ACU cli utility of show config:
=> ctrl slot=6 show config

Smart Array P800 in Slot 6                (sn: P98690G9SV50EX)

   array A (SATA, Unused Space: 0 MB)

      logicaldrive 1 (6.8 TB, RAID 6 (ADG), OK)

      physicaldrive 2E:1:1 (port 2E:box 1:bay 1, SATA, 750 GB, OK)
      physicaldrive 2E:1:2 (port 2E:box 1:bay 2, SATA, 750 GB, OK)
      physicaldrive 2E:1:3 (port 2E:box 1:bay 3, SATA, 750 GB, OK)
      physicaldrive 2E:1:4 (port 2E:box 1:bay 4, SATA, 750 GB, OK)
      physicaldrive 2E:1:5 (port 2E:box 1:bay 5, SATA, 750 GB, OK)
      physicaldrive 2E:1:6 (port 2E:box 1:bay 6, SATA, 750 GB, OK)
      physicaldrive 2E:1:7 (port 2E:box 1:bay 7, SATA, 750 GB, OK)
      physicaldrive 2E:1:8 (port 2E:box 1:bay 8, SATA, 750 GB, OK)
      physicaldrive 2E:1:9 (port 2E:box 1:bay 9, SATA, 750 GB, OK)
      physicaldrive 2E:1:10 (port 2E:box 1:bay 10, SATA, 750 GB, OK)
      physicaldrive 2E:1:11 (port 2E:box 1:bay 11, SATA, 750 GB, OK)
      physicaldrive 2E:1:12 (port 2E:box 1:bay 12, SATA, 750 GB, OK)

Now all I want to do is expand my VG / LV to include the space from the 4 drives I just added... but i can't seem to find a way to do this. Can anyone help??



[+][-]07/21/09 03:57 AM, ID: 24902995

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About this solution

Zones: Linux, Disk Partition Tools, Storage Technology
Tags: msa60, lvm, fedora
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Solution Provided By: arnold
Participating Experts: 2
Solution Grade: B
 
 
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