> I'm on a IBM HS21 blade connected to a DS4700 storage array. > Without doing nothing in multipath.conf but blacklisting the internal > disk, I get this kind of configuration: > # multipath -l > mpath1 (3600a0b80005012440000093e4a55cf33) dm-6 IBM,1814 FAStT > [size=3.4T][features=1 queue_if_no_path][hwhandler=1 rdac][rw] > \_ round-robin 0 [prio=0][active] > \_ 3:0:0:1 sdb 8:16 [active][undef] > \_ 4:0:0:1 sdc 8:32 [active][undef] > \_ round-robin 0 [prio=0][enabled] > \_ 3:0:1:1 sdd 8:48 [active][undef] > \_ 4:0:1:1 sde 8:64 [active][undef] > > Is there any config option I can force to use only one path at a time > in the active controller, instead of two (sdb and sdc in my case) in > round robin as I see in iostat? > What ever the reason you'd want to do that, setting the path group policy to failover would create 4 1-path groups. I'd have 1 active paths and 3 spares. Regards, -- Christophe Varoqui OpenSVC - Tools to scale http://www.opensvc.com/ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
