----- Original Message -----
Sent: Friday, August 11, 2006 2:56
PM
Subject: RE: [Ocfs2-users] Can not
mount
I guess you can't combine DRBD and OCFS2.
DRBD works in
the following way, you create a local partition on both nodes, configure DRBD,
when you do that it creates a special device /dev/drbdX or /dev/nbdX, when you
start DRBD on the nodes, one becomes the master and the other becomes slave.
You write to the master block device (/dev/drbdX) then the data is copied over
the slave, and both write it to their undelying local storage (/dev/hda9 in
your case)
OCFS2 provides access to all nodes concurrently, so it's
possible to format an DRBD block device as OCFS2 volume, but just one node can
write to it, the master, in that case (just one node can write to the device)
OCFS2 is pointless.
If you want to try OCFS2, you need a shared
storage, like shared SCSI bus, access to an SAN volume, iSCSI, etc. that can
be seen as local storage on all nodes.
Regards,
-----Original
Message-----
From: [EMAIL PROTECTED] on behalf of Milind
Dumbare
Sent: Fri 8/11/2006 4:21 AM
To: tao.ma
Cc:
[email protected]
Subject: Re: [Ocfs2-users] Can not
mount
Ohh, Do you have any idea how DRBD will work here?
On Fri,
2006-08-11 at 16:11 +0800, tao.ma wrote:
> ocfs2 requires a shared disk.
As in, all nodes must be able to concurrently
> read/write to the
device.
> So your second node can't see "/dev/hda9" of your first node.
That is
> the problem.
>
> Milind Dumbare
wrote:
>
> >HI all,
> > I have
two nodes in cluster, my /etc/ocfs2/cluster.conf as follows
>
>==============================================
>
> cluster:
> >
node_count = 2
>
> name =
mili
> > node:
>
> ip_port =
7777
> >
ip_address = 192.168.1.23
> >
number = 7
> >
name = panini
>
> cluster =
mili
> > node:
>
> ip_port =
7777
> >
ip_address = 192.168.1.22
> >
number = 6
> >
name = xenon
>
> cluster =
mili
> >===============================================
> >I
did
> > #/etc/init.d/o2cb load
>
>
&
> > #/etc/init.d/o2cb start
mili
> >
> >on both nodes it was successful.
>
>
> >Then I did
> > # mkfs.ocfs2
-b 4k -C 32K -L "drbd" -N 2 /dev/hda9
> >on panini it was successful
too
> >then
> > #mount -vt ocfs2 -L
"test" /mnt/store/
> >on panini, success again.
> >
>
>now when I try to mount "test" on xenon (other node) its saying
>
> "no
such partition"
> >
> >Please help me out.
>
>
> >
>
>
>
>
>
--
-Milind
"There is no place like
127.0.0.1"
_______________________________________________
Ocfs2-users
mailing list
[email protected]
http://oss.oracle.com/mailman/listinfo/ocfs2-users
_______________________________________________
Ocfs2-users mailing
list
[email protected]
http://oss.oracle.com/mailman/listinfo/ocfs2-users
