Le 1 sept. 07 à 02:57, Claudio Tassini a écrit : Hi, # multipath -ll /dev/mpath/mpath2 (200c0b60a76000032) dm-3 SNAP,FILEDISK [size=10M][features=0][hwhandler=0] \_ round-robin 0 [prio=0][active] \_ 2:0:0:0 sdd 8:48 [active][ready] \_ 1:0:0:0 sdc 8:32 [active][ready] all you have to do then, is to modify your /etc/multipath.conf file to ask a fixed name for this multipath device instead of having it get a dynamique name (/dev/mpath/mpathx) : /etc/multipath.conf : ... multipaths { multipath { wwid 200c0b60a76000032 alias qdsk1 } } and then : # multipath -ll [root@titan2 ~]# multipath -ll qdsk1 (200c0b60a76000032) dm-4 SNAP,FILEDISK [size=10M][features=0][hwhandler=0] \_ round-robin 0 [prio=0][active] \_ 4:0:0:0 sdf 8:80 [active][ready] \_ 3:0:0:0 sde 8:64 [active][ready] (please, be warn that the first time you do it, it rename the multipath device to the name you have ask for, but it fails to rename the /dev/mpath/ device, so you have to do it manually once). do it on all your cluster members and they all get the multipath device with the same name. I have also encoutered a problem with cman that refuse to register a node with more than 16 chars (qdiskd register the qdisk device as a node name). So you must ensure your device path is less than 16 chars for a qdisk device (this is why I use /dev/mpath/qdsk1 instead of /dev/mpath/qdisk1). Regards, -- Alain RICHARD <mailto:alain.richard@xxxxxxxxxxx> EQUATION SA <http://www.equation.fr/> Tel : +33 477 79 48 00 Fax : +33 477 79 48 01 E-Liance, Opérateur des entreprises et collectivités, Liaisons Fibre optique, SDSL et ADSL <http://www.e-liance.fr> |
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