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Hi all
I need your kind assistance.
I have a machine with Linux LVM file system. I
mistakenly moved my /* to /var/www/test and everything stopped
working.
We tried to use rescue disk, but rescue did not see
the volume on the hard disk. We tried to mount the hard disk but got superblock
error.
We reinstall the OS in a new hard disk /dev/sda and
make the hard disk with /* problem as secondary /dev/sdb.
Primary /dev/sda
Secondary dev/sdb /dev/sdb1,
/dev/sdb2
I want to mount the /dev/sdb2 on /newmnt I created
in the new OS. But /dev/sdb2 has the same VG name
as /dev/sda2 - VolGroup00.
Please, how do I mount the /dev/sdb2 VG VolGroup00
on /newmnt?
Will I be able to mv back the root on the sdb2 i.e
mv /newmnt/var/www/test/* /newmnt/?
Kindly assist with procedure and command. I have no
experience using lvm.
I attach the fiel strucutre.
Thanks.
Ismail |
[root@localhost /]# fdisk -l Disk /dev/sda: 250.0 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 65 522081 83 Linux /dev/sda2 66 30401 243673920 8e Linux LVM Disk /dev/sdb: 164.6 GB, 164696555520 bytes 255 heads, 63 sectors/track, 20023 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 * 1 65 522081 83 Linux /dev/sdb2 66 20023 160312635 8e Linux LVM [root@localhost /]# [root@localhost /]# mount -l /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) /dev/sda1 on /boot type ext3 (rw) [/boot] tmpfs on /dev/shm type tmpfs (rw) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw) [root@localhost /]# lvm lvs LV VG Attr LSize Origin Snap% Move Log Copy% LogVol00 VolGroup00 -wi-ao 230.44G LogVol01 VolGroup00 -wi-ao 1.94G [root@localhost /]# lvm pvs -a WARNING: Duplicate VG name VolGroup00: Existing Vgs0w2-0j2x-cft2-oI1j-bV00-BdEC-xIIYfc (created here) takes precedence over 2414FK-8hzo-botP-F5hw-8M1U-wWfx-9giXeV PV VG Fmt Attr PSize PFree /dev/VolGroup00/LogVol01 -- 0 0 /dev/ram -- 0 0 /dev/ram10 -- 0 0 /dev/ram11 -- 0 0 /dev/ram12 -- 0 0 /dev/ram13 -- 0 0 /dev/ram14 -- 0 0 /dev/ram15 -- 0 0 /dev/ram2 -- 0 0 /dev/ram3 -- 0 0 /dev/ram4 -- 0 0 /dev/ram5 -- 0 0 /dev/ram6 -- 0 0 /dev/ram7 -- 0 0 /dev/ram8 -- 0 0 /dev/ram9 -- 0 0 /dev/ramdisk -- 0 0 /dev/root -- 0 0 /dev/sda -- 0 0 /dev/sda1 -- 0 0 /dev/sda2 VolGroup00 lvm2 a- 232.38G 0 /dev/sdb -- 0 0 /dev/sdb1 -- 0 0 /dev/sdb2 VolGroup00 lvm2 a- 152.88G 32.00M [root@localhost /]# lvm vgs -a WARNING: Duplicate VG name VolGroup00: Existing Vgs0w2-0j2x-cft2-oI1j-bV00-BdEC-xIIYfc (created here) takes precedence over 2414FK-8hzo-botP-F5hw-8M1U-wWfx-9giXeV VG #PV #LV #SN Attr VSize VFree VolGroup00 1 3 0 wz--n- 152.88G 32.00M VolGroup00 1 2 0 wz--n- 232.38G 0 [root@localhost /]# lvm lvmdiskscan help /dev/ramdisk [ 16.00 MB] /dev/root [ 230.44 GB] /dev/ram [ 16.00 MB] /dev/sda1 [ 509.84 MB] /dev/VolGroup00/LogVol01 [ 1.94 GB] /dev/ram2 [ 16.00 MB] /dev/sda2 [ 232.39 GB] LVM physical volume /dev/ram3 [ 16.00 MB] /dev/ram4 [ 16.00 MB] /dev/ram5 [ 16.00 MB] /dev/ram6 [ 16.00 MB] /dev/ram7 [ 16.00 MB] /dev/ram8 [ 16.00 MB] /dev/ram9 [ 16.00 MB] /dev/ram10 [ 16.00 MB] /dev/ram11 [ 16.00 MB] /dev/ram12 [ 16.00 MB] /dev/ram13 [ 16.00 MB] /dev/ram14 [ 16.00 MB] /dev/ram15 [ 16.00 MB] /dev/sdb1 [ 509.84 MB] WARNING: Duplicate VG name VolGroup00: Existing Vgs0w2-0j2x-cft2-oI1j-bV00-BdEC-xIIYfc (created here) takes precedence over 2414FK-8hzo-botP-F5hw-8M1U-wWfx-9giXeV /dev/sdb2 [ 152.89 GB] LVM physical volume 3 disks 17 partitions 0 LVM physical volume whole disks 2 LVM physical volumes
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