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09/08/2009 at 09:47PM PDT, ID: 24717124
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9.0

problem while working with LVM in linux

Asked by D_wathi in Linux Administration, Linux, Linux Setup, Linux Networking

Dear Sir/Madam:

While installing the OS i had manually done the /opt partition on the 73.3 GB hard disk recently wanted add one more disk of 146GB then thought to increase the /opt size also did the same i,e created the partition using fdisk and then used Logical Volume Management and used the part of 146 gb and assigned to the /opt with this /opt space got increased but later wanted to restore the /opt to the original size which was assigned at the installation time i,e wanted release the space which was assigned from the hard disk 2 (146GB) for this using LVM removed the /opt partition from the second disk but his entirely removed the /opt . later again manually created the /opt under root (/). but over all the problem is what ever the space assigned to the /opt from the second hard disk (146GB) is not able to use . request you to please help me how to release this space and make use for the other partitions. for your reference posted the following... 
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pvdisplay
  Couldn't find device with uuid 'yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF'.
  Couldn't find device with uuid 'yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF'.
  --- Physical volume ---
  PV Name               /dev/cciss/c0d0p2
  VG Name               VolGroup00
  PV Size               40.04 GB / not usable 9.83 MB
  Allocatable           yes (but full)
  PE Size (KByte)       32768
  Total PE              1281
  Free PE               0
  Allocated PE          1281
  PV UUID               wwO1wa-vmlm-VxUN-SvaQ-YbYb-Sie4-zygme0
   
  Couldn't find device with uuid 'yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF'.
  --- Physical volume ---
  PV Name               unknown device
  VG Name               VolGroup00
  PV Size               23.29 GB / not usable 6.48 MB
  Allocatable           yes (but full)
  PE Size (KByte)       32768
  Total PE              745
  Free PE               0
  Allocated PE          745
  PV UUID               yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF
 
 
vgdisplay
  Couldn't find device with uuid 'yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF'.
  --- Volume group ---
  VG Name               VolGroup00
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  7
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                4
  Open LV               3
  Max PV                0
  Cur PV                2
  Act PV                1
  VG Size               63.31 GB
  PE Size               32.00 MB
  Total PE              2026
  Alloc PE / Size       2026 / 63.31 GB
  Free  PE / Size       0 / 0   
  VG UUID               Pqw3lr-nMDY-WfpY-p8VZ-KgVv-akvO-YtymVT
 
 
lvdisplay
  Couldn't find device with uuid 'yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF'.
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol02
  VG Name                VolGroup00
  LV UUID                lS3uvd-NDpQ-N6w7-8wnw-eCK9-1tpR-RhKWE2
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                17.56 GB
  Current LE             562
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0
   
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol01
  VG Name                VolGroup00
  LV UUID                D1VwcX-DciU-JAmr-1XLS-ZfTb-NL2k-ed3d47
  LV Write Access        read/write
  LV Status              NOT available
  LV Size                28.19 GB
  Current LE             902
  Segments               3
  Allocation             inherit
  Read ahead sectors     auto
   
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00
  LV UUID                kQEZ7n-QVdo-abUM-Bv4G-DSLZ-Oj1h-YDxMSh
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                11.72 GB
  Current LE             375
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1
   
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol03
  VG Name                VolGroup00
  LV UUID                CMHsip-7hfg-yOVK-4ft1-nMs0-IpBm-E6flo8
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                5.84 GB
  Current LE             187
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2
 
 
 
vscan
  Couldn't find device with uuid 'yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF'.
  PV /dev/cciss/c0d0p2   VG VolGroup00   lvm2 [40.03 GB / 0    free]
  PV unknown device      VG VolGroup00   lvm2 [23.28 GB / 0    free]
  Total: 2 [63.31 GB] / in use: 2 [63.31 GB] / in no VG: 0 [0   ]
 
[root@authserver ~]# lvscan
  Couldn't find device with uuid 'yXvjxR-VwzV-0elL-cG17-gwRT-2WYO-3cOAwF'.
  ACTIVE            '/dev/VolGroup00/LogVol02' [17.56 GB] inherit
  inactive          '/dev/VolGroup00/LogVol01' [28.19 GB] inherit
  ACTIVE            '/dev/VolGroup00/LogVol00' [11.72 GB] inherit
  ACTIVE            '/dev/VolGroup00/LogVol03' [5.84 GB] inherit
 
fdisk -l
 
Disk /dev/cciss/c0d0: 73.3 GB, 73372631040 bytes
255 heads, 63 sectors/track, 8920 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
 
           Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c0d0p1   *           1          25      200781   83  Linux
/dev/cciss/c0d0p2              26        5252    41985877+  8e  Linux LVM
/dev/cciss/c0d0p3            5253        6527    10241437+  83  Linux
/dev/cciss/c0d0p4            6528        8920    19221772+   5  Extended
/dev/cciss/c0d0p5            6528        7802    10241406   83  Linux
/dev/cciss/c0d0p6            7803        8312     4096543+  82  Linux swap / Solaris
/dev/cciss/c0d0p7            8313        8822     4096543+  82  Linux swap / Solaris
 
Disk /dev/cciss/c0d1: 146.7 GB, 146778685440 bytes
255 heads, 32 sectors/track, 35132 cylinders
Units = cylinders of 8160 * 512 = 4177920 bytes
 
           Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c0d1p1               1       17953    73248224   83  Linux
/dev/cciss/c0d1p2           17954       27528    39066000    5  Extended
/dev/cciss/c0d1p5           17954       22741    19535024   83  Linux
 
 
cat /etc/fstab
LABEL=/                 /                       ext3    defaults        1 1
LABEL=/boot1            /boot                   ext3    defaults        1 2
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
tmpfs                   /dev/shm                tmpfs   defaults        0 0
/dev/VolGroup00/LogVol02 /home                   ext3    defaults        1 2
proc                    /proc                   proc    defaults        0 0
sysfs                   /sys                    sysfs   defaults        0 0
LABEL=/tmp              /tmp                    ext3    defaults        1 2
 
/dev/VolGroup00/LogVol00 /usr                    ext3    defaults        1 2
#/dev/VolGroup00/LogVol01 /opt                    ext3    defaults        1 2
/dev/VolGroup00/LogVol03 /var                    ext3    defaults        1 2
LABEL=SW-cciss/c0d0p6   swap                    swap    defaults        0 0
LABEL=SW-cciss/c0d0p7   swap                    swap    defaults        0 0
LABEL=/externaldrive    /external               ext3    rw,acl          1 2
/dev/cciss/c0d1p5       /virtualmachine         ext3    defaults        1 2
 
Keywords: problem while working with LVM in linux
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