[DRBD-user] LVM under DRBD resource for NFS server

Marco Marino marino.mrc at gmail.com
Sat Jun 20 08:57:36 CEST 2015

Note: "permalinks" may not be as permanent as we would like,
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Hi,
I'm trying to build an high available nfs server with drbd and pacemaker. I
have some doubts related to the devices and the drbd resource. Following
the guide "NFS on RHEL6" on the linbit site, I found that under the drbd
resource there is a Logical Volume:

PV -> VG -> LV -> DRBD resource ....

Now i have a large storage server with a /dev/sda of 72TB. I would use 3TB
for nfs, so with gparted I created /dev/sda1 of 3TB. My question is: should
I use lvm?Reading this
<http://askubuntu.com/questions/3596/what-is-lvm-and-what-is-it-used-for>,
turns out that "if you use LVM across hard drives you may loose all your
data when only one drive fails."
and this is my case, so is this a good idea? Considering that i don't need
to resize /dev/sda1, can I avoid the use of LVM?

Thanks,
MM
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