Re: [Linux-HA] Is CLVM really needed in an active/passive cluster?

2013-04-24 Thread Lars Marowsky-Bree
On 2013-04-23T17:57:18, Angel L. Mateo ama...@um.es wrote: In other configuration scenarios (2) using clvm, a dlm and sfex (3) resource is also created. Should I configure it too? sfex is not a fencing device, but a resource agent that offers additional protection in the hierarchy - it

Re: [Linux-HA] Is CLVM really needed in an active/passive cluster?

2013-04-23 Thread Andrew Beekhof
On 24/04/2013, at 1:57 AM, Angel L. Mateo ama...@um.es wrote: El 22/04/13 13:01, Lars Marowsky-Bree escribió: On 2013-04-22T11:14:14, Angel L. Mateo ama...@um.es wrote: The problem I have is that I have firstly configured the cluster with CLVM, but with this I can't create snapshots of

[Linux-HA] Is CLVM really needed in an active/passive cluster?

2013-04-22 Thread Angel L. Mateo
Hello, I'm deploying a clustered pop/imap server with mailboxes stored in a SAN connected with fibre channel. The problem I have is that I have firstly configured the cluster with CLVM, but with this I can't create snapshots of my volumes, which is required for backups.

Re: [Linux-HA] Is CLVM really needed in an active/passive cluster?

2013-04-22 Thread emmanuel segura
Hello Angel In this thread http://comments.gmane.org/gmane.linux.redhat.release.rhel5/6395 you can find the answer to your question Thanks 2013/4/22 Angel L. Mateo ama...@um.es Hello, I'm deploying a clustered pop/imap server with mailboxes stored in a SAN connected with fibre

Re: [Linux-HA] Is CLVM really needed in an active/passive cluster?

2013-04-22 Thread Angel L. Mateo
El 22/04/13 11:20, emmanuel segura escribió: Hello Angel In this thread http://comments.gmane.org/gmane.linux.redhat.release.rhel5/6395 you can find the answer to your question In that thread I can see that cLVM does not support snapshot. There is a link pointing to dd as a