IBM DS4700 MPIO DRIVER

IBM DS4700 MPIO DRIVER

There you need to check only the Utilities part. With your initial setup, you had 2 paths to storage because the one port on the HBA could see both storage controllers. You are commenting using your WordPress. Firmware on the DS I am not sure if this is something with the policy setting.

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And in the case you’ll have a d4s700 s that allows both HBA ports to see both storage processors. We have a similar multipath environment, and we see 4 paths as well. Regards, Alexander Novikov Russia, Moscow.

AIX DS – MPIO not supported?

Feed for this topic. This policy prevents other initiators in the same host or on other hosts from accessing the device. Actually no, I just have two multipath disk drives listed. One zone contains an HBA port and controller port from controller A.

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I assume we should have more flexibilty over data path with Device specific module installed on the host. The policy setting there is “Failover only”. The values are as follows: It was very helpful. Email required Address never made public. This site uses cookies.

This configuration provides eight paths to hdisks. Bit 3 of the host type has the following meaning: The other controller is considered as an alternate, or passive secondarycontroller.

You can follow any responses to this entry through the RSS 2. Back-end storage performance considerations When you configure active and passive paths you assume that first path listed is to controller A and second path is to controller B. Do i need any additional software to be installed? Initiators from other host systems are required to register before they can access the device. Unanswered question This question has not been answered yet.

The reason I was looking for a policy change is mipo to an issues with a specific configuration.

IBM DS Storage and Windows MPIO « Bart’s Weblog

Check configuration When you configure active and passive paths you assume that first path listed is to controller A and second path is to controller B. I have ugraded the firmware to the latest available Then see what ESX reports in the storage area. Storage pools and ss4700 disks 5.

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Find More Posts by dafydd You are commenting using your WordPress. I have more control over the failover policy now. If you specify the -c flag, the command changes the driver selection to an alternate supported driver for the storage model.

Sorry, your blog cannot share posts by email. I think I have it but would like clarification. Qlogic qlaF cannot see ibm ds