AW: [Xen-users] Xen with LVM
your disk image is not a partition which can be mounted directly. Actually it
holds the complete disk structure including the lvm.
I also ran into the same problem and found no other solution than getting help
Take a look at this article:
1) you need to get the vmware-loop command which can be obtained by the free
2) you need a kernel which supports nbd (centos5 does)
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Im Auftrag von IDAGroup -
Gesendet: Donnerstag, 11. Oktober 2007 21:35
Betreff: Re: [Xen-users] Xen with LVM
Ok, I guess it has not really something to do with LVM, cause I just installed
Centos5 guest into a (also working) Centos5 dom0 as imagefile. When I try to
mount the image
[root@serv106 ~]# mount -o loop /disk.img /mnt/loop/
mount: you must specify the filesystem type
So, very similar to the error before (actually the same). What is wrong with my
that those are booting fine, but are not mountable?
Thanks for any help here,
IDAGroup - R.W.Muller wrote:
Hello everybody, new in the Country (coming from Switzerland) and new to Xen as
I tried to install the first CentOS 5.0 - XEN -LVM machine but struggle
somehow. I followed
the explanations of Paul, but CentOS 5 seems to have a problem with mounting
the LVM after installation:
When I create a new lv named centos5 and do a mke2fs /dev/vm-data/centos5
I can easily mount the "drive" with mount /dev/vm-data/centos5 /mnt/centos5. I
unmounted centos5 then
and started the virt-install. Said for path /dev/vm-data/centos5 and no
graphics. Pretty soon the installer
comes up with "/dev/xvda currently has a loop partition layout. To use this
disk for the installation of CentOS, it must be re-initialized.."
I allow this but create my own partitioning (one Ext3 partition mounted as /
with full lv size).
Right after this step, the lv is no longer mountable and when checking the
"drive" says wrong superblock.
Is there an issue with LVM on Centos5, or did I do something wrong? ....tried
everythign for several hours now :/
[root@serv106 ~]# rpm -qa |grep lvm
I was also considering using file based domU's but still not sure if they would
give enough performance for a webhosting (LAMP) server.
Any help, hint or even URL that leads to an actual working howto is greatly
Thank you so much and have a great day now!
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