On Monday 10 January 2011 19:40:17 J. Ryan Earl wrote: > On Sun, Jan 9, 2011 at 10:03 AM, Bart Coninckx <[email protected]>wrote: > > Hi all, > > > > am reading the Novell docs on DRBD and one of the ways they mention to > > speed > > up DRBD is using external metadata. Possibly a hard question to answer > > but could someone indicate by what degree this would enhance speed > > (provided using > > a sufficient fast disk for the metadata, like a SSD)? > > > > thx! > > > > Bart > > A RAID controller with a backed-write cache essentially nullifies > any advantage there. A RAID controller that can instantly return on > FUA-writes is what you want. > -JR
Hi, so the essence of your answer is that this is not a matter of having metadata internal or external, but rather of having the right RAID controller? Do you have examples of these in the major brands (HP, Dell, ...) ? thx! B. _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
