Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Wed, Oct 22, 2008 at 03:46:58PM +0200, Martin Gombac wrote: > Hi, > > i'm planing ad server cluster with OpenX. I will have (at least) two > nodes with Active/Active OCFS or GFS for shared storage on top of LVM. > I wonder if it is possible to "extend"/duplicate DRBD to third or fourth > node later on, if the need for increased capacity is shown, so i can > simply add just another node to the cluster. > By extend i don't mean to add more disk space, just to have another > Active mirror. it is probably more suitable and less complex to use a Active/Standby drbd + iscsi-target cluster as SAN replacement, and import it on your scale-out cluster file system nodes. double check whether a drbd + nfs cluster is "good enough" for your scenario, as it usually performs better than cluster file systems on iscsi. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed