topic Re: Adding disks to an aggregate in Network and Storage Protocols

Adding disks to an aggregate

WmGilbert — Fri, 21 Apr 2023 15:56:14 GMT

Morning,

I am trying to increase the size of my aggregate. On a FAS8020, running 9.2 OnTap

rg0 is currently 23 disks with 6 empty slots.

I tried just adding disks into those empty slots and get this error: Cannot add capacity to the aggregate because of insufficient matching spare disks.

When trying to add disks and create a new raidgroup I get the following error: command failed: Addition of disks would fail for aggregate "aggr2" on node "netapp-02". Reason: 29 disks needed from Pool0, but
no matching disks are available in that pool.

There are 43 disks available on "netapp-01" and 38 available on "netapp-02"

I must be missing something. Max raidgroup size is 29, so not sure what I'm missing.

Any help would be greatly appreciated.

Thanks

Re: Adding disks to an aggregate

Ontapforrum — Fri, 21 Apr 2023 20:07:06 GMT

Could you provide us with the following info:
1) Current Total Aggregate size (TB)?

2) Are the spare disks assigned to the respective Nodes ? (Could you give us the CLI output)
3) Is DQP installed or Package up-2-date? (If not, please install it before adding disks to System)
https://mysupport.netapp.com/site/info/disk-qual

4) Are you creating via CLI or GUI?
Have you tried running it via CLI:

Example:
::> storage aggregate create -aggregate <aggr_name> -node <nodename> -diskcount xx -disktype SAS -disksize xx

Re: Adding disks to an aggregate

johneasty — Mon, 24 Apr 2023 10:57:24 GMT

An aggregate and thus its disks in them must be owned by the same node.

So the disks you are trying to add are probably owned by the other node. or "unknowned".

Re: Adding disks to an aggregate

WmGilbert — Fri, 28 Apr 2023 12:50:34 GMT

Sorry I was out of the network this week. I'll get the info posted soon as I get back to the office.

William

Re: Adding disks to an aggregate

Ashun — Wed, 20 Nov 2024 08:05:18 GMT

Method for adding disks to an aggregate

1、Show the available spare storage on the system that owns the aggregate:

storage aggregate show-spare-disks -original-owner node_name

You can use the -is-disk-shared parameter to show only partitioned drives or only unpartitioned drives.

2、Show the current RAID groups for the aggregate:

storage aggregate show-status aggr_name

3、Simulate adding the storage to the aggregate:

storage aggregate add-disks -aggregate aggr_name -diskcount number_of_disks_or_partitions -simulate true

4、Add the storage to the aggregate:

storage aggregate add-disks -aggregate aggr_name -raidgroup new -diskcount number_of_disks_or_partitions

5、Verify that the storage was added successfully:

storage aggregate show-status -aggregate aggr_name

6、Verify that the node still has at least one drive with both the root partition and the data partition as spare:

storage aggregate show-spare-disks -original-owner node_name