On Thu, Nov 12, 2009 at 04:49:47PM -0800, Jim Cole wrote: > > Hi - I am running into problems utilizing two NICs in an iSCSI setup > for multipath IO. The setup involves a Linux server (Ubuntu 9.10 > Server) with two Broadcom NetXtreme II GbE NICs connected to two > separate switches on a single subnet, which is dedicated to EqualLogic > SAN access. >
Here's what I did when I tested multiple interfaces with Equallogic: http://pasik.reaktio.net/open-iscsi-multiple-ifaces-test.txt -- Pasi > I have setup two iface definitions using the following steps. > > - iscsiadm -m iface -I eth4 --op=new > - iscsiadm -m iface -I eth5 --op=new > - iscsiadm -m iface -I eth4 --op=update -n iface.net_ifacename -v > eth4 > - iscsiadm -m iface -I eth5 --op=update -n iface.net_ifacename -v > eth5 > > I have also tried specifying the MAC addresses explicitly with no > change in behavior. > > Discovery was performed with the following command and worked as > expected, generating node entries for both interfaces. > > - iscsiadm -m discovery -t st -p xx.xx.xx.xx:3260 -I eth4 -I eth5 > > Up to this point everything looks good. And I have no trouble logging > one interface into the desired target. However attempts to login the > second interface always result in a time out. The message is > > iscsiadm: Could not login to [iface: eth4, target: <target>, portal: > xx.xx.xx.xx,3260]: > iscsiadm: initiator reported error (8 - connection timed out) > > The problem is not specific to one interface. I am able to login with > either one. I just can't seem to login with both at the same time. > > I am using the open-iscsi package that ships with the Ubuntu distro > (open-iscsi 2.0.870.1-0ubuntu12). > > I have another server on the same network, with identical hardware and > iSCSI configuration, that is working properly. The only difference is > that the other server is running CentOS 5.4 and using the initiator > that ships with that distro (iscsi-initiator-utils > 6.2.0.871-0.10.el5). > > If anyone could provide any guidance on how to further diagnose, and > hopefully solve, this problem, it would be greatly appreciated. > > TIA > > Jim > > --~--~---------~--~----~------------~-------~--~----~ > You received this message because you are subscribed to the Google Groups > "open-iscsi" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/open-iscsi > -~----------~----~----~----~------~----~------~--~--- > -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=.
