Re: [Linux-cluster] ha-lvm

2010-11-02 Thread Corey Kovacs
You are certainly correct. I neglected to mention that I'd also checked for logged in users as well and there were none. Thank for this anyway, I appretiate the feedback. Corey Sent from my iPod On Nov 3, 2010, at 2:15 AM, "Jankowski, Chris" wrote: Corey, I vaguely remember from my w

Re: [Linux-cluster] ha-lvm

2010-11-02 Thread Jankowski, Chris
Corey, I vaguely remember from my work on UNIX clusters many years ago that if /dir is the mount point of a mounted filesystem then cd /dir or into any directory below /dir from an interactive shell will prevent an unmount of the filesystem i.e. umount /dir will fail. I believe that this restr

[Linux-cluster] ha-lvm

2010-11-02 Thread Corey Kovacs
Folks, I have a 5 node cluster backed by an FC SAN with 5 VG's each with a single LVM. I am using ha_lvm and have lvm.conf configured to use tags as per the instructions. Things work fine until I try to migrate the volume containing our home dir (all others work as expected) The umount for that v

Re: [Linux-cluster] Fence Issue on BL 460C G6

2010-11-02 Thread Ben Turner
Your nodes don't seem to be able to communicate: Oct 30 16:08:15 rhel-cluster-node2 fenced[3549]: rhel-cluster-node1.mgmt.local not a cluster member after 3 sec post_join_delay Oct 30 16:08:15 rhel-cluster-node2 fenced[3549]: fencing node "rhel-cluster-node1.mgmt.local" Oct 30 16:08:29 rhel-clus

Re: [Linux-cluster] Some questions - migrating from Sun to Red Hat cluster

2010-11-02 Thread Thomas Sjolshagen
On Mon, 1 Nov 2010 22:45:11 -0600, Ivan Fetch wrote: Hello, I have been using two CentOS 5.5 virtual machines, to learn Linux clustering, as a potential replacement for Sun (Sparc) clusters. We run Red Hat Enterprise Linux, but do not yet have any production cluster experience. I've got a few q