Maximum Disk Shelves per Controller Configuration
Controller
Configuration
DE3-24P
All-Flash
All DE3 Disk
Shelves (except
All-Flash)
All DE2 Disk
Shelves
DE3 and DE2
Disk Shelves
DE2 and Sun
Disk Shelves
ZS5-4 with SAS-2
4x4 port HBAs
No Yes Yes Yes No
ZS5-2 with SAS-3
4x4 port HBAs
Yes Yes Yes Yes No
ZS5-2 with SAS-2
4x4 port HBAs
No Yes Yes Yes No
ZS4-4 with SAS-3
4x4 port HBAs
Yes Yes Yes Yes No
ZS4-4 with SAS-2
4x4 port HBAs
No Yes Yes Yes No
ZS3-4 with SAS-2
4x4 port HBAs
No Yes Yes Yes Yes
ZS3-2 with SAS-3
4x4 port HBAs
No Yes Yes Yes No
ZS3-2 with SAS-2
4x4 port HBAs
No Yes Yes Yes Yes
7420 with SAS-2
4x4 port HBAs
No No Yes No Yes
7420 with SAS-2
2x4 port HBAs
No No Yes No No
7320 with SAS-2
4x4 port HBAs
No No Yes No Yes
7320 with SAS-2
2x4 port HBAs
No No Yes No No
7120 with SAS-2
2x4 port HBAs
No No Yes No Yes
Maximum Disk Shelves per Controller Configuration
When determining how many disk shelves a controller configuration supports, it is important
to remember that each disk shelf chain can support up to six disk shelves, and some controller
configurations are limited to a specific number of total disk shelves. The following table details
the number of supported disk shelf chains per HBA type.
TABLE 3
Supported Disk Shelf Chains per HBA
HBA Type Number of Disk Shelf Chains per HBA
SAS-3 4x4 port 2
SAS-2 4x4 port 2
22 Oracle ZFS Storage Appliance Installation Guide, Release OS8.8.x • August 2021
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