Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Fri, 28 Mar 2014 10:40:28 +0100 Bart Coninckx <bart.coninckx at telenet.be> wrote: > All, > > > building a storage cluster which will offer SCST targets. These will > be LVM based (nested LVM probably). In terms of performance, what is > the most optimal strategy: one big DRBD device where the different > Logical Volumes are installed on or a DRBD device per LV? If a resync > needs to be done, the latter will probably better, as it allows us to > choose which devices should be resynced first. I do have several drbd volumes instead of one big. Then you can choose which ones to sync first. And if your volumes are on different disks, the order can be defined to sync volumes from each disk one after the other but volumes from different disks in parallel. That way one can max out a 2x10G connection with three volumes from three disks all reading/writing sequential, instead of the disk stepping in its own way by reading from several volumes on the same disk while the other disks are idle... And several drbd-volumes can fail-over individually. Have fun, Arnold -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 230 bytes Desc: not available URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20140328/e08729bd/attachment.pgp>