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MSA2000sa P700m 3GB SAS Switch Linux multipath support

Casey Rayman
Occasional Contributor

MSA2000sa P700m 3GB SAS Switch Linux multipath support

Does anyone have a working multipath setup in Linux for the MSA200sa?

I'm using the following two kits on RHEL5. Device Mapper Enablement kit for HP StorageWorks Disk Arrays v4.0.0 and Device Mapper Enablement kit for HP StorageWorks Disk Arrays v4.1.0. These two kits combined are supposed to allow multipath support for the MSA but does not seem to work with the P700m(cciss).

I tried compiling a newer version of vanilla multipath-tools by hand v0.4.8 which seems to work except in the case where LUN ownership(reboot controller) changes. Then all paths go down and never come back.