Convert from RAID-DP to RAID-TEC
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If you want the added protection of triple-parity, you can convert from RAID-DP to RAID-TEC. RAID-TEC is recommended if the size of the disks used in your local tier (aggregate) is greater than 4 TiB.
The local tier (aggregate) that is to be converted must have a minimum of seven disks.
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Hard disk drive (HDD) local tiers can be converted from RAID-DP to RAID-TEC. This includes HDD tiers in Flash Pool local tiers.
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To understand the implications of converting between RAID types, refer to the parameters for the
storage aggregate modify
command.
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Verify that the aggregate is online and has a minimum of six disks:
storage aggregate show-status -aggregate aggregate_name
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Convert the aggregate from RAID-DP to RAID-TEC:
storage aggregate modify -aggregate aggregate_name -raidtype raid_tec
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Verify that the aggregate RAID policy is RAID-TEC:
storage aggregate show aggregate_name