If you are using the latest Qlogic or Emulex drivers, then run the respective utilities they provide to discover the LUN: Last I had played with it, it supported automatic failover but the failback was a manual process. Fri, 28 Sep Can I use such kind of multipathing, if I boot blade servers from external storage controller? Novell provided good info on setting up dm-multipath but I don’t recall reading anything about callouts.
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What about “mount”, “lslv”, “lsvg” and friends? Fri, 10 Feb If all does not help collect the state of the driver with mppSupport and log a support call with your storage vendor. Supports both boot and non-boot LUNs and works well. Email required Address never made public.
Re: [dm-devel] RHEL5 and RDAC/Multipath
As mulltipath have said, this is great info Thu, 15 Mar When both paths to the storage are enabled, we have a very unreliable cluster. Then you have to have a callout program which provided by the vendor HDS dz4700 this case that assigns pririty values to each path.
Bug acknowledged by developer. Before you get started you want to make a sure the following things are loaded: You are commenting using your WordPress. I have it documented it in here: The current version can be obtained from https: Help answer threads with 0 replies.
If working fine, is there any reason to get RDAC working again? Can you just let me know es4700 below mentioned all 3 requires for Multipathing?
FC SAN multipath I/O error slow down everything, udev blacklist needed?
Thu, 10 Nov We are using linux nssmu, and when we pick Initialize it only takes the 20 Mb SBD space mulgipath puts a 16 kb yes, kilobyte! I m using multipathing with Solaris sytembut no idea abt linux. If you have a USP then the policy should be multibus.
Multipath not working in AIX 5. I think I’ve exhausted every other route, so let’s see if the forums can provide some light.
Storage: Linux Native Multipathing (Device Mapper-Multipath)
Novell provided good info on setting up dm-multipath but I don’t recall reading anything about callouts. DS reports errors saying “preferred path not defined” I am only relaying this message so it could be slightly different.
If you’d like mdadm instructions you can find them here: Thank you for all the information about DM Multipath for Linux. View this report as an mbox folderstatus mboxmaintainer mbox. If you are using the latest Qlogic or Emulex drivers, then run multipxth respective utilities they provide to discover the LUN: Is there a way to route it through “sde”?