On 01/14/10 14:46, Deon Cui wrote: > I have another problem I can't really work out. > > My two nodes each have 2 network adapters connected to 2 switches for iSCSI > multipathing. How do I create a single iSCSI namespace for all 4 network > adapters so that the ESX servers view it as the same storage device with 4 > separate paths?
I don't know how to configure ESX servers. There are two ways to do this on OpenSolaris. One way is to create multiple iSCSI paths to two different iSCSI targets exporting the same underlying logical unit(or disk). In COMSTAR, a single logical unit of storage can be exported via multiple iSCSI targets. If MPxIO is enabled, MPxIO will see this as the same disk. Another way is to put each adapter in a separate target port group (see man itadm create-tpg). You could then create multiple iSCSI connections to the same target by making the iSCSI connection using the address plumbed on the adapter. The iSCSI initiator must be modified to make multiple connections per target #iscsiadm modify initiator-node -c 2 Here is a whitepaper on using iSCSI multipathing in Solaris, http://www.sun.com/blueprints/1205/819-3730.pdf Augustus. -- Augustus Franklin, Solaris Cluster, http://blogs.sun.com/augustus
