IBM DS WINDOWS RDAC MULTIPATH DEVICE DRIVER

Stay ahead with the world’s most comprehensive technology and business learning platform. The advantages of ALUA are: Until recently we have been using the MPP driver but after the 6. This is the multipath. The two are talking different languages and that’s why it’s not working as you’d expect. Concepts such as multipathing and path failover are discussed.

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I am unsure what to make of this, but I am guessing that getting ALUA up and running might help a bit. And now to go and test if fail-over actually works, by pulling a couple of cables. I have now closely reread the DS Storage Manager I might be wrong, not really having any experience with multipathing. Could the performance problems be related to something else? Operating systems, Multipath driver. I have just finished doing a setup of 2 xenserver 6.

The advantages of ALUA are: Upvote if you found this answer helpful or interesting. Install Rdac Driver For Ds. Sign In feature is currently unavailable and you will not be able to post new content.

What’s your grouping policy? Discover the magic of the Internet.

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IBM System Storage DS5000 Series Implementation and Best Practices Guide

As to grouping policy, it seems to be set top “group by priority”, but I don’t have enough experience to know whether that is the right policy to use, nor what other policies exist.

Posted May 3, With Safari, you learn the way you learn best. It does however work with RDAC out-of-the-box without enabling mpp-rdac.

RDAC is still the preferred failover driver for Linux systems. Linux Device Mapper Multipath driver. It used to be that XenServer was based on RHEL, but I am uncertain if that is still true, and if it is, what release it is the equivalent of. We realize that setting up DS Storage Servers can be a complex task. Until recently we have been using the MPP driver but after the 6.

Then, we offer our guidelines, hints, and tips for the physical installation, cabling, and zoning, using the Storage Manager setup tasks.

IBM System Storage DS Series Implementation and Best Practices Guide [Book]

At least dmmp and kpartx are installed from rdwc of the same name on both CentOS and XenServer, which enables me to check installed versions, and on CentOS they are both version 0. Installing the RDAC driver. View table of contents. If the multi-path driver is required, you must install and confi Localization result: It just breaks multipathing completely, and with multipath.

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dW:Eserver:IBM System Storage:DS MultiPath Driver – IBM System Storage Forum

Posted January 21, You will be able to leave rdaac comment after signing in. This caused heaps of problems and in the end for now i have multipathing off until i can dfvice further. I am a relative newbie when it comes to multipathing, so I am hoping that some of you can help me out with this problem.

Asked by abo dsl. Posted December 14, Matching DS logical drives with Windows devices.

The DS has dual controllers and is connected to the XenServers over two different switches, resulting in 4 possible paths from each server to the box.