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MSA100 & SW4314 behaviour

 
Haggisnneeps2
Frequent Advisor

MSA100 & SW4314 behaviour

Got an MSA1000 with 2x attached 4314 drive trays. Data on trays is RAID 1+0 (ignore MSA SCSI Busses).
the EMU on 1 of the drive trays failed and we are going to replace it then bring this tray online. What should i expect to happen? Its been runnnig on 1 drive tray for 4 days now so will the mirror be split now? Or will it just start working again? Or will it ask which copy i want to keep and begin a new mirror? Or will it automatically decide which is the newer version and delete the older version?

Not sure what to expect once the drive tray EMU has been fixed and brought back online

TIA