Does it make sense to have a spare area for ssd in Raid?

V

Vadim Choporov2017-03-31 08:41:35

RAID

Vadim Choporov, 2017-03-31 08:41:35

Good afternoon.
Much has been written about 10% of the reserve area for ssd. I want to assemble a database (regular write and read) array on ssd - raid5. The disks will be SSD Samsung 850 Pro 512GB. Does it make sense to make a reserve area in this case, and if so, how is this implemented when assembling the array?

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Konstantin, 2017-03-31
@kostya_vtomske

At least you have a golden record in space. The golden rule of IT is backup and backup.