[Fedora-xen] Adding more space to the system withou using LVM in the host

[Ignacio Verona]

Thanks Kwan,

I'll try that tomorrow.

Regards,
Ignacio.

Kwan Lowe escribió:
>> Hi,
>>
>> I've a few Virtual Machines running FC5, the host is also FC5. I want to
>> add some hd space to one of the VMs, and as  they are using LVM, I think
>> it shouldn't be so difficult. This is the line configuring the harddisk
>> for the Xen VM:
>>
>> disk = [ 'file:/mnt/md0/xenM/autillo/autillo1,xvda,w' ]
>>
>> How do add other xvda? I want to create, for example
>> /mnt/md0/xenM/autillo/autillo2 and add that space to the LVM in the VM.
>> How should I do this? Maybe the solution is to export autillo2 as
>> /dev/hdX or /dev/sdX?
>>
>> How should I format the file using mke2fs? Thanks a lot and sorry if the
>> questions are easy to solve, but I'm still not clear about that things!
>>     
>
> Easiest way is to use dd to create a blank file in ./autillo.  E.g.:
>
>   dd if=/dev/zero of=autillo2 count=1024 bs=1M
>
> Then, edit the configuration and add the new disk:
>
> disk = [ 'file:/mnt/md0/xenM/autillo/autillo1,xvda,w', \
>          'file:/mnt/md0/xenM/autillo/autillo2,xvdb,w' ]
>
> You need to shutdown then restart the domU at that point (xm restart on the domU
> doesn't seem to pick up the new disk).
>
> >From the domU, you should then be able to see a new disk ("dmesg |grep xvdb").  Use
> fdisk to partition it as an 8e partition. Write the new table. Run pvcreate against
> /dev/xvdb1. Then vgextend the new PVs into your existing volume group.
>