Hi Brem, El mar, 21-07-2009 a las 16:40 +0200, brem belguebli escribió: > Hi, > > That's what I 'm trying to do. > > If you mean lvm.sh, well, I've been playing with it, but it does some > "sanity" checks that are wierd > 1. It expects HA LVM to be setup (why such check if we want to > use CLVM). > 2. it exits if it finds a CLVM VG (kind of funny !) > 3. it exits if the lvm.conf is newer than /boot/*.img (about this > one, we tend to prevent the cluster from automatically > starting ...) > I was looking to find some doc on how to write my own resources, ie > CLVM resource that checks if the vg is clustered, if so by which node > is it exclusively held, and if the node is down to activate > exclusively the VG. > > If you have some good links to provide me, that'll be great. > > Thanks > > > 2009/7/21, Christine Caulfield <ccaulfie@xxxxxxxxxx>: > On 07/21/2009 01:11 PM, brem belguebli wrote: > Hi, > When creating the VG by default clustered, you > implicitely assume that > it will be used with a clustered FS on top of it (gfs, > ocfs, etc...) > that will handle the active/active mode. > As I do not intend to use GFS in this particular case, > but ext3 and raw > devices, I need to make sure the vg is exclusively > activated on one > node, preventing the other nodes to access it unless > it is the failover > procedure (node holding the VG crashed) and then re > activate it > exclusively on the failover node. > Thanks > > > In that case you probably ought to be using rgmanager to do > the failover for you. It has a script for doing exactly > this :-) > > Chrissie > > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster > > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster Please, check this link: https://www.redhat.com/archives/cluster-devel/2009-June/msg00020.html I found exactly the same problem as you, and i developed the "lvm-cluster.sh" script to solve the needs I had. You can find the script on the last message of the thread. I submitted it to make it part of the main project, but i have no news about that yet. I hope this helps. Cheers, Rafael -- Rafael Micó Miranda -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
