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April 17th, 2024 21:25

Expand raid group

Hello all,

I have a power vault me5 with 10 disks. There I have a raid 5 raid group with 9 disks and 1 as hot spare.

We pretend to aquire 2 more disks to expand the existing raid group. Can this be done? If so how?

Thank you,

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3.1K Posts

April 18th, 2024 03:36

Hi,

 

You can expand the RAID group, but it needs to be ADAPT disk groups. Only ADAPT disk groups can be expanded in virtual pool mode. RAID 5 and RAID 6 disk groups cannot be expanded in virtual pool mode. 

 

- To expand the capacity of a virtual pool that contains existing RAID 5 or RAID 6 disk groups, the administrator must add sufficient disks to create a new disk group.
- Navigate to "RAID Groups" > "Storage" > "Storage Configuration" > "Storage Pools" > "RAID Groups" Tab.
- Right-click the desired RAID Group LUN to be expanded.
- Select "Expand."
- Select the desired LUN Expansion Type: Striping or Concatenation.
- Select the desired Component LUN(s) you want to add to the Base LUN.
- Select the desired LUN User Capacity.
- Select the desired LUN settings, such as MetaLUN Name.
- Follow the on-screen instructions to complete the expansion process.

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April 18th, 2024 06:54

Hello Joey,

is it possible to convert to an ADAPT disk group without downtime and data loss?

Moderator

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2.2K Posts

April 18th, 2024 07:44

Hi,

As I know no, I say this inference because ADAPT disk groups use a different data layout compared to traditional RAID types. This means the data needs to be rewritten to the new format, which is a process that requires the disk group to be offline. White Paper: Dell PowerVault ME5 ADAPT Software (https://dell.to/3vWkK4K)

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