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N00b question about raid 1

Ricemarine

Ricemarine

Lifer
Ok, for raid 1, if I use 2 300 GB drives, will I get 600 GB of space or just 300 GB due to the mirroring across all the hard drives?
 
300GB twice
Basically both drives will have the exact same data on them. So in effect you halve the space you have available.
 
RAID1 - half the space (2x300 = 300) - data protection - much less than half the chance of losing your data.
RAID0 - full space (2x300 = 600) - high risk of data loss (twice the risk compared to running a single 300 drvie)

RAID5 - for 3+ drives, space of 1 drives lost (3x300 = 600, 4x300 = 900) - data protection like RAID1
 
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