Re: [Linux-cluster] how can I share a logical volume?

2008-04-14 Thread nch
No, I can't see the logical volumes on the other nodes. vgscan doesn't show any, nor I can find any new devices in /dev. As I couldn't find docs/examples on this particular point, I really don't know what to expect. I'm trying with different types of logical volumes (stripped, mirrored), but did

Re: [Linux-cluster] how can I share a logical volume?

2008-04-14 Thread Shawn Hood
As far as I know, you should be able to at least SEE the logical volume as long as there is a path to the physical volumes on the other nodes. Are you able to see the same block devices (eg /dev/sd?) on the other nodes? Shawn Hood 2008/4/14 nch <[EMAIL PROTECTED]>: > > Hello, everybody. > > I'

[Linux-cluster] how can I share a logical volume?

2008-04-14 Thread nch
Hello, everybody. I'm trying to run a cluster with 3 nodes. One of them would share storage with the other two using GFS and DLM (kernel 2.4.18-6). I was able to start ccsd, cman, fenced and clvmd in all nodes. I've defined a logical volume in the storage node and was able to gfs_mkfs, activate

Re: [Linux-cluster] Fencing Driver API Requirements

2008-04-14 Thread Marek 'marx' Grac
Hi, [EMAIL PROTECTED] wrote: I remember that this was mentioned several times in the last few months, but has any documentation been put together on the API that the fencing drivers are supposed to cover? I'm looking into writing a fencing driver based on disabling switch ports on a manage

RE: [Linux-cluster] DRBD and redhat cluster

2008-04-14 Thread Arjuna Christensen
I've been using RHCS to control DRBD quite happily, but only in a active/passive scenario. All it requires is a little script, and an rgmanager '' object: #!/bin/bash exec /etc/ha.d/resource.d/drbddisk $@ (/etc/ha.d/resource.d/drbddisk is installed by the DRBD package) Regards, Arjuna Christ

[Linux-cluster] Fencing Driver API Requirements

2008-04-14 Thread gordan
Hi, I remember that this was mentioned several times in the last few months, but has any documentation been put together on the API that the fencing drivers are supposed to cover? I'm looking into writing a fencing driver based on disabling switch ports on a managed 3com switch via the telne