The file is named mpp- uname -r. The default values listed here are the platform-independent settings. Command timeout retry count exceeded. There are 2 ways of using the MPP rdac driver. That’s certainly the standard procedure. The new boot menu entry should look something like this note that it may vary with different system configuration: Error trying to determine controller slot.

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Posted April 5, What must I do after applying a kernel update? Make sure the kernel source tree is installed for the kernel version to be built against. Some parameters might not have a meaning in a particular operating system environment.

Migrating the MPP/RDAC driver to the Linux DM-MP driver

Prints the version of the RDAC driver currently running on the system. The RDAC failover driver includes these rfac. Apologies for the inconvenience. Posted April 9, The resultant message and alarm will provide information about the fault, along with possible recovery instructions.

[dm-devel] Multipath setup and rdac questions

Any changes to the settings take effect on the next reboot of the host. An entry is made in the OS system log that shows that the failover driver has detected a path rdwc. Uninstall any existing RDAC drivers using the make uninstall command:. The failover driver has five error levels for messages that are logged to the Linux OS error log:. To verify the driver is installed, use the following command:. Error trying to determine maximum number of volumes supported by storage array.


The collected support data is saved in the file:.

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Error trying to insert a new volume path. I don’t get, why I need two HBA on each server? With the failover driver, two cases jpp if a path has failed:.

Error trying to insert a new controller path. Selection timeout retry count exceeded.

Hello once more, now I tried the follwoing things: In most of the cases, no change is required if the kernel version is the same. N Path 1 DirectoryVertex: An MPP mp image is created, as shown in the following example:.

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

Now I have to deactivate the storage acces for each sr, reboot all servers, and then I’ll try to reconnect the SRs. Failover failed, unable to allocate memory.


Then it should work fine. Examples of internal requests include those related to rebalancing, path validation, and issuing of failover commands. Before you install the RDAC driver, be sure the following requirements are met:. Type yes when you are prompted to continue:.

The mppUtil utility is a cross-platform tool. Value of the SCSI-3 reservation key generated during failover driver installation. Received the Illegal Command error from the storage array.

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