> > I've create with the dmsetup. this is what i've from the console. > > > > echo "0 262132604 multipath 2 round-robin 1 0 /dev/sdc round-robin 1 0 > > /dev/sdd round-robin 1 0 /dev/sde round-robin 1 0 /dev/sdf" | dmsetup create > > imapstor01 > > device-mapper ioctl cmd 9 failed: Invalid argument > > Command failed > So, what does the "multipath -v" command say ? # all paths : 600508b400014ae80001b000001e0000 (2 0 0 1) /dev/sdc [HSV110 (C)COMPAQ] 600508b400014ae80001b000001e0000 (2 0 1 1) /dev/sdd [HSV110 (C)COMPAQ] 600508b400014ae80001b000001e0000 (3 0 0 1) /dev/sde [HSV110 (C)COMPAQ] 600508b400014ae80001b000001e0000 (3 0 1 1) /dev/sdf [HSV110 (C)COMPAQ] # all multipaths : 600508b400014ae80001b000001e0000 \_(2 0 0 1) /dev/sdc [HSV110 (C)COMPAQ] \_(2 0 1 1) /dev/sdd [HSV110 (C)COMPAQ] \_(3 0 0 1) /dev/sde [HSV110 (C)COMPAQ] \_(3 0 1 1) /dev/sdf [HSV110 (C)COMPAQ] # device maps : N:600508b400014ae80001b000001e0000:0 262144000 multipath 2 round-robin 2 0 /dev/sdd /dev/sdf round-robin 2 0 /dev/sdc /dev/sde device-mapper ioctl cmd 9 failed: 22 some times multipath -v just hung. it just stop after display the <snip> # device maps : N:600508b400014ae80001b000001e0000:0 262144000 multipath 2 round-robin 2 0 /dev/sdd /dev/sdf round-robin 2 0 /dev/sdc /dev/sde <stop display but no exit> and i have another question. When I remove the device with dmsetup mknodes and dmsetup remove_all, why the informations in the multipath -v still remains the same as what is created earlier. Thanks for reply my mail. regards, hwahing
