On Monday 05 July 2010 20:58:30 Christophe Varoqui wrote: > On lun., 2010-07-05 at 20:37 +0200, Bart Coninckx wrote: > > Hi, > > > > I would like to run my ideas by this list about multipathing and the > > results as far as storage speed is concerned. > > > > I'm using multipathing to two iSCSI targets pointing to the same storage. > > It was my understanding that this provides for network path redundancy > > (and it does, I tested this) but also for added speed. > > I did some tests with Bonnie++ however while both paths were active and > > one path was down and the results are basically the same. > > > > Am I assuming wrong things? Or have I configured things wrong? > > can you also include a 'multipath -l' output and sketch the > hba/switch/controller physical connections ? > > thanks, > Sure, xen3:~ # multipath -l lx03 (1494554000000000000000000010000000000000002000000) dm-3 IET,VIRTUAL-DISK [size=10G][features=1 queue_if_no_path][hwhandler=0] \_ round-robin 0 [prio=-2][active] \_ 2:0:0:0 sdc 8:32 [active][undef] \_ 1:0:0:0 sdb 8:16 [active][undef] ws033 (1494554000000000000000000010000000100000002000000) dm-2 IET,VIRTUAL- DISK [size=15G][features=1 queue_if_no_path][hwhandler=0] \_ round-robin 0 [prio=-2][active] \_ 2:0:0:1 sde 8:64 [active][undef] \_ 1:0:0:1 sdd 8:48 [active][undef] ms01 (1494554000000000000000000010000000200000002000000) dm-1 IET,VIRTUAL-DISK [size=40G][features=1 queue_if_no_path][hwhandler=0] \_ round-robin 0 [prio=-2][active] \_ 1:0:0:2 sdf 8:80 [active][undef] \_ 2:0:0:2 sdg 8:96 [active][undef] I have two Gigabit NICs in this server each running over a separate switch to a separate gigabit NIC with a unique IP address on the storage IET iSCSI target. Is this sufficient info? Thx, Bart -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
