PERC H700 reconfigure RAID5 to RAID6

We currently have a Dell PowerEdge R610 (PERC H700 embedded controller) with SAS 6 x 300 GB disks in a RAID5 configuration. We want to replace it with 6 x 1 TB drives in a RAID6 configuration. We must do so with as little downtime as possible (preferably no). Is it possible to Exchange each small disc out with the largest disk and perform a direct reconfiguration of 5 + 1 RAID5 to RAID6 4 + 2 configuration?

States of the documentation you need to add a new disk to reconfigure from RAID5 to RAID6 RAID6 for a smaller virtual drive, but given that the new drives are much larger, it should theoretically be possible to reconfigure without adding a new drive all in maintaining / increasing capacity. If the controller supports that is my question.

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1. you cannot mix SAS and SATA drives in the same array, to replace a 300 GB SAS drive with a 1 to SATA will NOT work.

2. IF you were to replace the 300 GB SAS drives with 1 TB SAS drives, you might reconfigure your table to include all of the space on the disks, however...

3 If you reconfigure your 1.5 to 5 to VD VD, you MUST have already installed the operating system in UEFI boot mode. If you currently have your system in the BIOS boot mode, you should be limited to a 2 TB VD or need to reinstall the OS using the UEFI.

4 reconfiguration of a 6-disk RAID 5, RAID 6 requires the addition of a 7 disk, regardless of the involved disk space.

Tags: Dell Servers

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