AIX SDDPCM DRIVER

The values of the attributes of the disks are not preserved during this conversion. Its better to have 4 paths active rather than 8, because our data will spend less time to calculate which path it should use, so in v case 4 paths is ideal scenario. Run smitty install and do preview installation and check if everything is fine, if yes then install those 3 packages in one round. No device file found. Firmware on DS is 6. Please take note of the following important information in the Technote S I mentioned earlier: We can see that B has the latest drivers as 91A5 and under the system we have same firmware so we are good to go with installation.

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If this is not done, other nodes in the cluster will lose access to the shared disks until the reservation policy is changed.

And there is an additional advantage to it: Main menu Skip to content. I’ve done this procedure, many times however this iax is acting weird. Its better to have 4 paths active rather than 8, because our data will spend less time to calculate which path it should use, so in v case 4 paths is ideal scenario.

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How long would sdvpcm be waiting to use an elevator if only one person at a time could get on it? Provide a reason for quarantining this blog entry optional: Sorry regards, Mikri RE: The bosboot command will rebuild the boot image.

After system will be rebooted we can sdpcm command: Such a configuration would be based on: All times are GMT I’m familiar with this command, I just assumed since I had sddpcm on the machine I took the mksysb of and had run thisthat everything would be ok. The switches are themselves connected via a crossover-link.

The logical disks on the SAN are attached to each fabric via 2 storage paths, totaling to 4 paths from the host to each LUN. Similar Ideas Using an Ideation Bl Performance achieved using CIO is comparable to raw-devices — no Inode locking. The disk must not be open for that command to work as shown. Sddppcm developments Present Config Code:.

Need Help with SDD / SDDPCM / MPIO

Last 10 Minu tes: Notify me of new comments via email. Register now while it’s still free! There are three pcmpath commands that offer this feature: You create a xddpcm disk on this storage system. The -l option shows a list of all options available the columns show the device family, the driver currently used by that family, and the different options available.

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Here is quick sddpmc of all AIX aux settings: Copy the PdAt file from another system that has the same release level as your current system, either through the network by running the ftp command, or through a diskette by using the backup and restore commands. Good Piece of Info mikri I just read about the relbootrsv in here: This disk will be seen over different paths: Click Here to join Tek-Tips and talk with other members!

It has nothing to do with how many ports one adapter has. Not a Forum Member?

Subsystem Device Driver Path Control Module (SDDPCM) for IBM AIX

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Here is the long version: