[mythtv-users] LVM problem

Warren Sturm wrsturm at shaw.ca
Sun Dec 24 18:20:18 UTC 2006


On Sun, 2006-12-24 at 12:10 -0600, griz_quattro wrote:
> 
> 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
> 

ok.  maybe try this

	lvcreate -n video -l 17884 Video_Vol

then create whichever filesystem type you are comfortable with.  Doesn't
necessarily have to be ext3.


> 
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