Software Raid 3TB rebuild time

How long could it take for a 3TB SATA drive to rebuild.
I replaced a drive in SuperMicro Server.  Mirrored drives. Rebuild running through the LSI Software Raid Config. (Ctrl + M on startup)
Barry KaySystems EngineerAsked:
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Barry KaySystems EngineerAuthor Commented:
Changed to 1% after just over an hour.
Barry KaySystems EngineerAuthor Commented:
Another hour goes by and it changed to 2%.
Is this what we are looking at 1% per hour or could it somehow speed up?
noxchoGlobal Support CoordinatorCommented:
If you did not select to check the deives then it should run faster. But normally this slowness is normal. You need simply to wait.
PowerEdgeTechIT ConsultantCommented:
It could take DAYS to rebuild and that would be normal. It could be worse if you skimped on your drives and got a consumer grade drive, like say, a WD Green or Red drive. This is why RAID arrays with very large drives should have double-redundancy and an amazing backup or replication process in place.

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