Create aggregate failed with warning "Not enough spares of disk type SSD on node xxx"
Applies to
- AFF-A150 with 12 disks
- ONTAP 9
- Active-Passive configuration on nodes using root-data-data partitioning
Issue
When creating an aggregate with 11 disks on AFF-150 which contains 12 disks, the below error occurs:
::> storage aggregate create aggr1_n1 -node Node-01 -maxraidsize 11 -disklist 1.0.0,1.0.1,1.0.2,1.0.3,1.0.4,1.0.18,1.0.19,1.0.20,1.0.21,1.0.22,1.0.23 -simulate true
The layout for aggregate "aggr1_n1" on node "Node-01" would be:
First Plex
RAID Group rg0, 11 disks (block checksum, raid_dp)
Usable Physical
Position Disk Type Size Size
---------- ------------------------- ---------- -------- --------
shared 1.0.0 SSD - -
shared 1.0.1 SSD - -
shared 1.0.2 SSD 1.72TB 1.72TB
shared 1.0.3 SSD 1.72TB 1.72TB
shared 1.0.4 SSD 1.72TB 1.72TB
shared 1.0.18 SSD 1.72TB 1.72TB
shared 1.0.19 SSD 1.72TB 1.72TB
shared 1.0.20 SSD 1.72TB 1.72TB
shared 1.0.21 SSD 1.72TB 1.72TB
shared 1.0.22 SSD 1.72TB 1.72TB
shared 1.0.23 SSD 1.72TB 1.72TB
RAID Group rg1, 11 disks (block checksum, raid_dp)
Usable Physical
Position Disk Type Size Size
---------- ------------------------- ---------- -------- --------
shared 1.0.0 SSD - -
shared 1.0.1 SSD - -
shared 1.0.2 SSD 1.72TB 1.72TB
shared 1.0.3 SSD 1.72TB 1.72TB
shared 1.0.4 SSD 1.72TB 1.72TB
shared 1.0.18 SSD 1.72TB 1.72TB
shared 1.0.19 SSD 1.72TB 1.72TB
shared 1.0.20 SSD 1.72TB 1.72TB
shared 1.0.21 SSD 1.72TB 1.72TB
shared 1.0.22 SSD 1.72TB 1.72TB
shared 1.0.23 SSD 1.72TB 1.72TB
Aggregate capacity available for volume use would be 27.80TB.
The following disks would be partitioned: 1.0.18.
Warning: Not enough spares of disk type SSD on node Node-01.