The total number of paths to the storage array is the MaxPathsPerController value multiplied by the number of controllers. A failback scan will cause the RDAC driver to reattempt communications with any failed controllers. Error trying to determine state of volume. Unsupported Host Adapter Model: Make sure the kernel source tree is installed for the kernel version to be built against. Error trying to create virtual target.

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There are 2 ways of using the MPP rdac driver. The initrd image is located in the boot partition. I don’t get, why I need two HBA on each server?

The initrd image is automatically created when the driver is installed by using the make install command. Error trying to determine state of volume. Use a utility, such as devlabelto create user-defined device names that will map devices based on a unique identifier. Has anyone solved the problem by removing rdxc like Tobias wrote? Failover failed, unable to allocate memory. This is the default setting. Posted March 13, Upvote if you found this answer helpful or interesting.


The SaveSettings keyword changes both the in-memory state and the persistent state. Many thanks for any advice! Remove any earlier version drivers that are in this directory by running the make clean command:. Error trying to create virtual target.

MPP driver package has been successfully installed on your system. Upvote if you also have this question or find it interesting. For the MDi you’ll need to copy the section that has the correct configuration and change the product to MDi so that DMP will use that section for that specific device. How do I remove unmapped or disconnected devices from the existing host?

dW:Eserver:IBM System Storage:DS MPP/RDAC, amazing – IBM System Storage Forum

When I typed multipath -ll I got the notice, that the kernel module isn’t loaded and mppUtil -g 0 reported a complete Multipathing.

The file is named mpp- uname -r.

I have installed all hotfixes at this moment. If a request returns an error and the failover driver decides to retry the request, the current time is compared with the original timestamp information. No, DMPP is the default driver.


What must I do if I receive this message? The lsdev utility provides a map of your array LUNs to their Linux block devices. Sign In feature is currently unavailable and you will not be able to post new content. Not Ready wait time exceeded. Type the following command, and press Enter. Some example commands are:. Error trying to insert a new volume. Unsupported Rac Adapter Model: To download edac RDAC driver, go to:. Module Size Used by.

[dm-devel] Multipath setup and rdac questions

Error trying to determine AVT state of volume. Command timeout retry count exceeded.

Verify the content of the modprobe.