LPM migration failed with reference code 2005 (lpar hung up)

Context I had a problem once which caused the crash of a migrating LPAR, because of a SCSI reserve on my rootvg (rootvg’s hdisk should be ALWAYS set with the no_reserve attribute for LPM, wether they are  managed by MPIO,

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vasistat command and LPM

The Gui on HMC/SDMC is not the best and most accurate way to check the progress of an LPAR live migration (sometimes you just jump from 0% to 76% with no explaination) The best way is to eavesdrop the vasi0

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Can’t achieve concurrent live partition migrations ? Check your max_virtual_slots value !

Context Here are my latest discoveries about concurrent LPM : We had at work a situation where we could not perform concurrent live partition migration between our two p795, however or whatever we tried (multiple HMC/SDMC, multiple MSPs, cross-site migrations…),

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