Is there any configuration parameter in dm to issue a failover command (in this case probably a START_STOP command) on the MSA so the failover happens automatically when the primary path is not available ? --- Christophe Varoqui <christophe.varoqui@xxxxxxx> wrote: > Le lundi 08 mai 2006 à 22:43 +0100, Shyam Sundar a > écrit : > > I have a single port qla2342 initiator connected > to a > > MSA-1000 through a Switch. > > The two ports of the MSA 1000 are connected to the > > switch exposing 2 paths to the target LUNs. > > When I display the topology using > > > > multipath -ll > > > > i get the output as follows: > > 3600805................ > > [size=9GB][features=1 > queue_if_no_path][hwhandler=0] > > \_round-robin 0 [prio=1][active] > > \_ 17:0:0:3 sda 8:0 [failed][faulty] > > \_ 17:0:1:3 sdi 8:128[active][ready] > > 3600805................ > > .............................. > > .............................. > > > > > > Is it normal for a MSA1000 target to have a > "faulty" > > and a "ready" path. > > It is, as this hardware is active/passive. > Which is not, is the multibus topology, where you > should use group by > serial or failover. > > > If yes, what does "faulty" signify > > ? > > It means the path is not useable as-is. It is > activated only when > necesary or when asked to. > > > > > Under what condition does the faulty path become > > ready? > > "sg_start" the path or play with the LU ownership on > the MSA management > console. > > Regards, > cvaroqui > > -- > > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel > __________________________________________________________ Yahoo! India Answers: Share what you know. Learn something new. http://in.answers.yahoo.com -- dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
