Kyle Schmitt wrote: > I'm cross-posting here from linux-iscsi-users since I've seen no
linux-scsi-users would be for centos 4. Centos 5 uses a different initiator, but you are the right place finally :) > traffic in the weeks since I posted this. > > Hi, I needed a little help or advice with my setup. I'm trying to > configure multipathed iscsi on a CentOS 5.4 (RHEL 5.4 clone) box. > > Very short version: One server with two NICs for iSCSI sees storage on > EMC. Storage shows up as four discs, but only one works. > > So far single connections work: If I setup the box to use one NIC, I > get one connection and can use it just fine. > > When I setup multiple connections I have problems... > I created two interfaces, and assigned each one to a NIC > iscsiadm -m iface -I iface0 --op=new > iscsiadm -m iface -I iface0 --op=update -n iface.net_ifacename -v eth2 > iscsiadm -m iface -I iface1 --op=new > iscsiadm -m iface -I iface1 --op=update -n iface.net_ifacename -v eth3 > > Each interface saw two paths to their storage, four total, so far so > good. > I logged all four of them them in with: > iscsiadm -m node -T <long ugly string here> -l > > I could see I was connected to all four via > iscsiadm-m session > > At this point, I thought I was set, I had four new devices > /dev/sdb /dev/sdc /dev/sdd /dev/sde > > Ignoring multipath at this point for now, here's where the problem > started. I have all four devices, but I can only communicate through > one of them: /dev/sdc. > > As a quick test I tried to fdisk all four partitions, to see if I saw > the same thing in each place, and only /dev/sdc works. What do you mean by works? Can you dd it, or fdisk it? > > Turning on multipath, I got a multipathed device consisting of sdb sdc > sdd and sde, but sdb sdd and sde are failed with a message of > checker msg is "emc_clariion_checker: Logical Unit is unbound or LUNZ" > Have you created a lun that is accessible to the initiator defined in /etc/iscsi/initiatorname.iscsi? Could you send the /var/log/messages for when you run the login command so I can see the disk info? -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-is...@googlegroups.com. To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=en.