ETERNUS DX8900 S6

The number of required hot spares is determined by the total number of drives of each drive type in the ETERNUS DX.

• NVMe SSDs

  Register one hot spare for every 48 disks up to the 96th disk. From the 97th and later disks, register one hot spare for every 96 disks.

• SAS SSDs

  Register one hot spare for every 48 disks up to the 96th disk. From the 97th and later disks, register one hot spare for every 96 disks.

• SAS disks

  Register one hot spare for every 48 disks.

• Nearline SAS disks

  Register one hot spare for every 24 disks.