[mythtv-users] LVM problem

griz_quattro griz_quattro at tx.rr.com
Sun Dec 24 18:10:35 UTC 2006



Warren Sturm wrote:

> On Sun, 2006-12-24 at 11:47 -0600, griz_quattro wrote:
> 
>>I am a newb to Linux. Been following FC6 guide at
>>http://wilsonet.com/mythtv/fcmyth.php but cannot
>>get my volume group "seen".
>>
>>Searching and using http://mythtv.org/docs/mythtv-HOWTO.html#toc24.1
>>and http://tldp.org/HOWTO/LVM-HOWTO/ for answers to where I missed a
>>step but I am at a loss. Google seemed to point to recovering from a 
>>failed LVM drive
>>
>>I setup LVM at install when loading FC6 (Fedora) on two 300gb hdd,
>>using both for Volume Group called "Video_Vol". First HDD is sda
>>has the system partitions on sda1 thru sda5, second HDD is sdb
>>with partition sdb1, and third HDD is sdc with partition sdc1. The
>>second and third HDD are the Volume Group called "Video_Vol".
>>
>>I am not certain of what nor how to get the VG "seen". Any pointers
>>would be appreciated. If I am posting to the wrong list, please,
>>let me know and I will move on.
>>*****************************************************************
> 
> 	At what point did you create the logical volume(s)?  This is
> 	showing that none were created and all the space in the volume
> 	group is showing as free (unused).
> 
> 	You need to do the lvcreate.  for example:
> 
> 		lvcreate -n video -L 558.88G Video_Vol
> 
> 	this will create 1 logical volume that should pretty well take
> 	up all the volume group space.
> 
> 	Then you can put on the filesystem
> 
> 	mke2fs -m0 -L/video -j /dev/Video_Vol/video
> 

Tried it, but don't understand it.

[root at mythtv /]# lvcreate -n video -L 558.88G Video_Vol
   Rounding up size to full physical extent 558.91 GB
   Insufficient free extents (17884) in volume group Video_Vol: 17885 
required




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