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July 23rd, 2019 14:00
Reconfiguring RAID-6 to Raid-5
I have an R710 server with PERC 6/i, with 6 discs configured as RAID-6.
Someone know if it is possible to reconfigure to a 5 disc RAID-5 leaving a disk free without having to drop all and configure from zero?
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theflash1932
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July 23rd, 2019 17:00
Nope. Can expand but not shrink/compact.
Z4p4t4
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July 24th, 2019 06:00
theflash1932
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July 25th, 2019 07:00
There isn't one drive dedicated to the double parity that can simply be removed. The parity is written across all disks, so you would need to completely rewrite all the data and single parity across n-1 drives … you don't have the space for that kind of data shuffling.