Re: [Xen-users] Xen with LVM

[Errol Neal <eneal@xxxxxxxxxxxxxxxxx>]

Quoting "IDAGroup - R.W.Muller" <robin@xxxxxxxxxxx>:

> Hello Errol, I tried that and get a little weird partition table:
>
> sfdisk -l -uS /dev/vms/centos5_data
>
> Disk /dev/vms/centos5_data: 0 cylinders, 0 heads, 0 sectors/track
> Warning: The partition table looks like it was made
>  for C/H/S=*/255/63 (instead of 0/0/0).
> For this listing I'll assume that geometry.
> Units = sectors of 512 bytes, counting from 0
>
>   Device Boot    Start       End   #sectors  Id  System
> /dev/vms/centos5_data1   *        63   3068414    3068352  83  Linux
> /dev/vms/centos5_data2             0         -          0   0  Empty
> /dev/vms/centos5_data3             0         -          0   0  Empty
> /dev/vms/centos5_data4             0         -          0   0  Empty
I wouldn't worry too much about that. sfdisk is probably just  
confused. Since the file doesn't have a ioctl, that would be my guess
> Now I just have to find out, how I can get ride of the Empty partitions
> and how to use snapshot for backup and I'm getting closer
> to a usable result :)
lvcreate -L1G -n vmsnap /dev/vms/centos5_data

Then mount it as above. Keep in mind that for snapshots, all changes  
to the live volume are written to the COW table on the snapshot  
volume. Make sure you allocate enough space for this.
-Errol

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