also you can try by
vgchange -a y VolGroup00
Ref :http://www.opensubscriber
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Question
volume group is deactivated not able to mount in LVM
Dear Experts:
power went off while migrating the extents from one volume to the another after this not able to mount the/home , reinstalled the os with new hard disk and connected the corrupted LVM , folllowing message is posted below for your reference
lvscan
Couldn't find device with uuid '7dTlKd-wgsr-YAg1-GshD-htC
ACTIVE '/dev/VolGroup00/LogVol05'
inactive '/dev/VolGroup00/LogVol01'
ACTIVE '/dev/VolGroup00/LogVol03'
ACTIVE '/dev/VolGroup00/LogVol00'
ACTIVE '/dev/VolGroup00/LogVol04'
ACTIVE '/dev/VolGroup00/LogVol02'
lvdisplay
Couldn't find device with uuid '7dTlKd-wgsr-YAg1-GshD-htC
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol05
VG Name VolGroup00
LV UUID EROg4s-iZoF-DNVT-X67b-pCQ2
LV Write Access read/write
LV Status available
# open 0
LV Size 7.81 GB
Current LE 250
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 Lsrgoz-cHK7-oAAx-PLdQ-n9EC
LV Write Access read/write
LV Status NOT available
LV Size 48.00 GB
Current LE 1536
Segments 2
Allocation inherit
Read ahead sectors auto
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol03
VG Name VolGroup00
LV UUID cp27OG-ajPf-yROZ-AmUQ-bnPw
LV Write Access read/write
LV Status available
# open 0
LV Size 4.88 GB
Current LE 156
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol00
VG Name VolGroup00
LV UUID E5YyZd-4lXP-smuP-Teth-JY7l
LV Write Access read/write
LV Status available
# open 0
LV Size 7.81 GB
Current LE 250
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:2
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol04
VG Name VolGroup00
LV UUID QcxYty-m2nt-LsyH-Z2LM-7JT6
LV Write Access read/write
LV Status available
# open 0
LV Size 24.41 GB
Current LE 781
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:3
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol02
VG Name VolGroup00
LV UUID 7Fuvms-yiyq-SY5i-iYz1-pWOa
LV Write Access read/write
LV Status available
# open 0
LV Size 34.16 GB
Current LE 1093
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:4
vgdisplay
Couldn't find device with uuid '7dTlKd-wgsr-YAg1-GshD-htC
--- Volume group ---
VG Name VolGroup00
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 36
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 6
Open LV 0
Max PV 0
Cur PV 2
Act PV 1
VG Size 197.81 GB
PE Size 32.00 MB
Total PE 6330
Alloc PE / Size 4066 / 127.06 GB
Free PE / Size 2264 / 70.75 GB
VG UUID 2MoUtm-H3X9-jUpm-YrT3-4lTP
----------------------
able to mount all the partitions but for the /home
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol01
VG Name VolGroup00
LV UUID Lsrgoz-cHK7-oAAx-PLdQ-n9EC
LV Write Access read/write
LV Status NOT available
LV Size 48.00 GB
Current LE 1536
Segments 2
Allocation inherit
Read ahead sectors auto
--------------------------
Please help me on this as important data is in the /home. thanks in advance.
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Answers
thanks for the reply , sir now iam able to mount the /home, but the directories which contained the data is not accessible . posted the ls-la for your reference
drwx------ 7 804 804 4096 Oct 31 2008 mt
drwxrwxr-x+ 6 root root 4096 Jul 25 07:55 MT_Audio
?--------- ? ? ? ? ? MT_FILES
-rw-r--r-- 1 root root 579 Mar 8 2008 mtgroupusers
?--------- ? ? ? ? ? MT_Inbox
drwxrwxr-x+ 20 root root 4096 Jul 25 14:15 MT_Qc
?--------- ? ? ? ? ? MT_Stuff
?--------- ? ? ? ? ? MT_Transcribed
drwx------ 2 support_n1 support_n1 4096 Jan 17 2009 murali
?--------- ? ? ? ? ? nagaveni
?--------- ? ? ? ? ? nalini
?--------- ? ? ? ? ? nal_ini
?--------- ? ? ? ? ? ncgeetha
drwx------ 5 841 841 4096 Mar 18 18:32 network
-rw-r--r-- 1 root root 215 Mar 11 2008 newaudio
?--------- ? ? ? ? ? nibedita
?--------- ? ? ? ? ? nikitha
drwxrwsr-x+ 5 computer13$ admin 4096 Mar 17 13:11 nirmala
?--------- ? ? ? ? ? nivya
drwxrwsr-x 6 computer09$ bttran 4096 Jul 26 22:29 opus
drwxrwsr-x 8 computer36$ 528 4096 Jul 26 00:39 opus2
drwx------ 6 799 799 4096 Oct 28 2008 outsrc
?--------- ? ? ? ? ? pallavi
drwx------ 3 663 666 4096 Jan 6 2009 pasha
drwxrwsr-x+ 6 computer39$ 531 4096 Jul 25 00:17 pavana
drwx------ 2 computer28$ 523 4096 Jan 17 2009 pooja
?--------- ? ? ? ? ? poornima
?--------- ? ? ? ? ? poornimabt
drwx------ 2 658 661 4096 Aug 29 2008 prabhu
?--------- ? ? ? ? ? prakash
?--------- ? ? ? ? ? prasanth
?--------- ? ? ? ? ? prathima
--------------------------
please help . thanks
dmmm,
what is am suspecting is, your data has been correpted!!!
i never seen like this before ...
what about this line
drwx------ 2 support_n1 support_n1 4096 Jan 17 2009 murali
if you do
cd murali
can you enter to the directory ???
did you restart the server,, try to restart the server , see if it helps to recover those data ...
thanks for the reply , i cannot cd to murali also when restart it will force me to run e2fsck this asks for abort when say NO then continuously should keep answering "YES"
tried with -f and -y does not work hence keep saying yes for all the questions but kept doing for 08 hours still did not complete hence aborted and tried by mounting, please help to fix this.
lvm is good, but if you lost data, its would be hard to make it fix
normaly we use fsck for partion like /dev/sda , dev/sdb
example, if /home is mounted on /dev/sda
if any problme of /home,
unmout it and run fsck command, it should fixed any problem
but lvm does not work like this....
read this article
http://www.linuxjournal.co
i am not telling to do anything now
best options is create another question,
for this problem, see what other Experts say ..
currently i dont know what to do .... but i will try to find a solution ...
but what your vgscan and lvscan saying??
does those show accurate data or is there any problme with those output ??
Thanks for the reply ,
[root@mail ~]# vgscan
Reading all physical volumes. This may take a while...
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/VolGroup00/LogVol01: read failed after 0 of 4096 at 51539542016: Input/output error
/dev/VolGroup00/LogVol01: read failed after 0 of 4096 at 51539599360: Input/output error
Incorrect metadata area header checksum
/dev/mapper/VolGroup00-Log
Couldn't find device with uuid '7dTlKd-wgsr-YAg1-GshD-htC
Found volume group "VolGroup00" using metadata type lvm2
--------------------------
# lvscan
/dev/mapper/VolGroup00-Log
Incorrect metadata area header checksum
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/mapper/VolGroup00-Log
/dev/VolGroup00/LogVol01: read failed after 0 of 4096 at 51539542016: Input/output error
/dev/VolGroup00/LogVol01: read failed after 0 of 4096 at 51539599360: Input/output error
Couldn't find device with uuid '7dTlKd-wgsr-YAg1-GshD-htC
ACTIVE '/dev/VolGroup00/LogVol05'
ACTIVE '/dev/VolGroup00/LogVol01'
ACTIVE '/dev/VolGroup00/LogVol03'
ACTIVE '/dev/VolGroup00/LogVol00'
ACTIVE '/dev/VolGroup00/LogVol04'
ACTIVE '/dev/VolGroup00/LogVol02'
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by: fosiul01Posted on 2009-07-28 at 09:20:57ID: 24962280
there is a command
lvchange -a y /dev/VolGroup00/LogVol01
to Activate the logical volume
you can try with that...
Dont you have UPS to save your server from electrice probelm !!!