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Dell EMC PowerVault MD 34XX/38XX Series Storage Arrays Administrator's Guide

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Disk pool restrictions

CAUTION: If you downgrade the RAID controller module firmware version of a storage array that is configured with a disk pool to a firmware version that does not support disk pools, the virtual disks are lost and the physical disks are treated as unaffiliated with a disk pool.
  • All physical disk media types in a disk pool must be the same. Solid State Disks (SSDs) are not supported.
  • You cannot change the segment size of the virtual disks in a disk pool.
  • You cannot export a disk pool from a storage array or import the disk pool to a different storage array.
  • You cannot change the RAID level of a disk pool. MD Storage Manager automatically configures disk pools as RAID level 6.
  • All physical disk types in a disk pool must be the same.
  • You can protect your disk pool with Self Encrypting Disk (SED), but the physical disk attributes must match. For example, SED-enabled physical disks cannot be mixed with SED-capable physical disks. You can mix SED-capable and non SED-capable physical disks, but the encryption abilities of the SED physical disks cannot be used.
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