[mythtv-users] Logical Volume (LVM) - question

Neale Swinnerton mythtv-users.spam at isismanor.com
Sun Aug 28 05:24:34 UTC 2005


Also the device names for the device mapper devices changed recently

e.g. my devices look this this now...

/dev/mapper/media-movies

used to be something like

/dev/media/movies

where media is the volume group name.

There's some way to enable a translation layer to support the old names, 
can't remember how tho', google's your friend :-)

N

Ali Asad Lotia wrote:
> afaik, you need to have device mapper support compiled into the kernel
> and have device mapper userland utils available. i may be off the mark
> since i use evms which allows LVM2 format for evms volumes.
> 
> --
> ali
> 
> 
> On 8/27/05, A JM <vbtalent at gmail.com> wrote:
> 
>>I need some help mounting this logical volume. The LVM existed prior to
>>recent re-install of the OS, now I can't mount it? When doing the reinstall
>>I left the LVM partition alone and am guessing that's where the problem
>>lays. Does something need to be running in FC3 in order to recognize the the
>>system has a LVM? 
>>
>>[root at myth ~]# vgdisplay -v
>>    Finding all volume groups
>>    Finding volume group "VolGroup00"
>>  --- Volume group ---
>>  VG Name               VolGroup00
>>  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               0
>>   Max PV                0
>>  Cur PV                1
>>  Act PV                1
>>  VG Size               140.34 GB
>>  PE Size               32.00 MB
>>  Total PE              4491
>>  Alloc PE / Size       4490 / 140.31 GB
>>  Free  PE / Size       1 / 32.00 MB
>>  VG UUID              
>>MgtbZF-YwPz-QxTi-ZB4U-bPOV-jMBy-fzO4EI
>>
>>  --- Logical volume ---
>>  LV Name                /dev/VolGroup00/VGforMyth
>>  VG Name                VolGroup00 
>>  LV UUID               
>>wh17e4-mGEJ-FwMv-ESpY-7Oc2-kzTf-uEdhjZ
>>  LV Write Access        read/write
>>  LV Status              available
>>  # open                 0
>>  LV Size                140.31 GB
>>  Current LE             4490 
>>  Segments               1
>>  Allocation             inherit
>>  Read ahead sectors     0
>>  Block device           253:0
>>
>>  --- Physical volumes ---
>>  PV Name               /dev/hda5
>>  PV UUID              
>>8BiXq5-ZKdF-CJv8-qTlc-s4hI-WVz0-sb9sFj 
>>  PV Status             allocatable
>>  Total PE / Free PE    4491 / 1
>>
>>[root at myth ~]# mount /dev/VolGroup00/VGforMyth /video
>>mount: wrong fs type, bad option, bad superblock on
>>/dev/VolGroup00/VGforMyth,
>>        or too many mounted file systems
>>  
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>>
>>
> 
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