Ran into this the other day with a new DS Mark this reply as best answer, if it answered your question. Please use workaround in the document attached. That’s what you match for product. Joe Please attach the latest multipath. Faster thruput with the DS in particular. Still problem when i created cluster HA.

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If you continue reading the manual I cited you’ll find that there is a specific multipahh case for using LVM with Multipath and how to integrate the two.

How to: Xenserver IBM DS – Storage – Discussions

January 8, at 5: This means that each blade has four different physical paths to each logical drive on the storage system. You are right – things working! You can confirm what module is being used by typing the lsmod command at your server console. ALUA is a priority handler, not a path checker.

Fibre Channel Multipathing using SLES 10 SP1 w/XEN and IBM Storage Systems

Changed in ds3400 Ubuntu: No such file or directory could not resolve …. DS cofigured with all path in one group all path multipatj. Found an ISP irq 64 iobase 0xffffccd Peter Petrakis peter-petrakis wrote on The disadvantage is that you must ensure these 3rd party tools and drivers are compatible with any updates made to the SLES 10 operating system always test new updates on one host server first.


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Joe Please attach the latest multipath. By clicking “Post Your Mulitpath, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Add the Storage to XenServer.

I think something problematic in HA functionality, but i have aby idea what it is You will be able to leave a comment after signing in. This is required to enable redundancy between the controllers.

Posted September 12, If you have 2 controllers and 2 ports per controller, that means you can ds4300 have 2 XenServers in pool with direct connect to SAN.

If I press skip everything runs well and disks are mounted except one LVM drive … maybe other question. Please sign in to comment You will be able to leave a comment after signing in Sign In Now.

Home Questions Tags Users Unanswered. If no, please ensure all LUNs are configured to use the same path. For the XenServers, each host must have a connection to each controller.


There are no bugs in LVM filtering, simply execution issues.

dW:Eserver:IBM System Storage:ds multipath not preferred path – IBM System Storage Forum

If you do this though the UI you might get the ds34000 error, therefore we need to add the storage using XSConsole “The SR operation cannot be performed because a device underlying the SR is in use by the host.

Secondly it is not so much what is right or wrong but instead what is best for your environment.

For HA, you need a minimum of 3 hosts in pool. Email Required, but never shown. Make a note of the new file name. Please see our cookie policy for details. Also, don’t use the CLI to setup the volume.

James Cannon Master 1, Citrix Employees 4, posts. You can use the mulipath tools to test the configuration.