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Maximum Disk Shelves per Controller Configuration
Controller
Configuration
ZS5-4 with SAS-2
4x4 port HBAs
ZS5-2 with SAS-3
4x4 port HBAs
ZS5-2 with SAS-2
4x4 port HBAs
ZS4-4 with SAS-3
4x4 port HBAs
ZS4-4 with SAS-2
4x4 port HBAs
ZS3-4 with SAS-2
4x4 port HBAs
ZS3-2 with SAS-3
4x4 port HBAs
ZS3-2 with SAS-2
4x4 port HBAs
7420 with SAS-2
4x4 port HBAs
7420 with SAS-2
2x4 port HBAs
7320 with SAS-2
4x4 port HBAs
7320 with SAS-2
2x4 port HBAs
7120 with SAS-2
2x4 port HBAs
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
HBA Type
SAS-3 4x4 port
SAS-2 4x4 port
22
Oracle ZFS Storage Appliance Installation Guide, Release OS8.8.x • August 2021
DE3-24P
All DE3 Disk
All-Flash
Shelves (except
All-Flash)
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
No
No
No
No
No
No
No
Supported Disk Shelf Chains per HBA
All DE2 Disk
DE3 and DE2
Shelves
Disk Shelves
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Number of Disk Shelf Chains per HBA
2
2
DE2 and Sun
Disk Shelves
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
No
Yes
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