SPARC T-series servers (MOSC)

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Procedure to cleanly replace disk online on e.g. T4-4

edited Mar 26, 2015 10:08AM in SPARC T-series servers (MOSC) 1 commentAnswered

I could not find any comprehensive step by step guide how to do online disk replacement, so currently I do something like following scrapped from different sources:

zpool offline pool old-disk if disk is still present

cfgadm -c unconfigure cXX::wXXXXXXXXXXXXXXXX,0

physically replace disk

label new disk and duplicate VTOC if dealing with root pool

zpool online old-disk

zpool replace pool old-disk new-disk

install boot block (if boot disk)

update EEPROM for new boot device name

Two questions

  1. various documentation suggests that cfgadm -c unconfigure should light up some LED on disk to highlight it. It does not. Is it correct? If yes, should I manually do it - how?

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