> -----Original Message----- > From: linux-cluster-bounces@xxxxxxxxxx [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Bernard Chew > Sent: Wednesday, August 22, 2007 10:05 PM > To: linux clustering > Subject: RE: Using cmirror > -----Original Message----- > From: linux-cluster-bounces@xxxxxxxxxx > [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Jonathan Brassow > Sent: Friday, August 10, 2007 11:01 PM > To: linux clustering > Subject: Re: Using cmirror > If you've set up a cluster and are using LVM, it will work the same > way as single machine mirroring. > http://www.redhat.com/docs/manuals/csgfs/browse/4.5/ > SAC_Cluster_Logical_Volume_Manager/mirror_create.html > brassow > On Aug 10, 2007, at 6:56 AM, Bernard Chew wrote: > Hi, > > I read that cmirror provides user-level utilities for managing cluster > mirroring but could not find much documentation on it. Can anyone > point me to any documentation / guide around? > > Regards, > Bernard Chew > IT Operations > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster > Hi all, > I have problems creating a mirrored linear logical volume in a 3 nodes cluster (using lvcreate -L 960M -m1 -n lv1 vg1 /dev/sdd /dev/sdb /dev/sdc), and encounter the following errors: > Error locking on node NodeA.hogwarts.com: device-mapper: reload ioctl > failed: Invalid argument > Error locking on node NodeB.hogwarts.com: device-mapper: reload ioctl > failed: Invalid argument > Error locking on node NodeC.hogwarts.com: device-mapper: reload ioctl > failed: Invalid argument > Failed to activate new LV > I am able to create a linear logical volume without mirroring using the same 3 pvs with GFS filesystem (clustered) but not the above. Any help is appreciated. > Thanks, > Bernard Chew Hi, Managed to find out the reason; the cmirror modules were not loaded into the kernel even though it was configured to start. Regards, Bernard Chew -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
