Using De2-24 And Sun Disk Shelves Together; Maximum Disk Shelves Per Controller - Oracle ZS4-4 Installation Manual

Maximum Disk Shelves per Controller

Using DE2-24 and Sun Disk Shelves Together

For controllers that support using DE2-24 and Sun Disk Shelves together, the controller
■
must use 4X4 port SAS-2 HBAs.
Do not use DE2-24 and Sun Disk Shelves in the same disk chain.
■
Maximum Disk Shelves per Controller
The following table shows the maximum supported controller configurations.
Note -
time. For controllers that support using DE2-24 and Sun Disk Shelves together, the controller
must use 4X4 port SAS-2 HBAs, which are only supported with release 2013.1.0 and later.
TABLE 1
Controller Max.
ZS4-4
ZS3-4
ZS3-2
7420
16 Oracle ZFS Storage Appliance Installation Guide • February 2016
Controllers cannot use 2X4 port SAS-2 HBAs and 4X4 port SAS-2 HBAs at the same
Maximum Disk Shelves per Controller
Max. 2x4
Shelves port SAS-2
HBA
36 N/A
36 N/A
16 N/A
36 6
Max. 4x4 Guidelines
port SAS-2
HBA
4 The ZS4-4 single and cluster controller configurations
allow up to 36 disk shelves, consisting of up to six chains
of one to six disk shelves. Any combination of disk-only
and Write flash disk shelves can be combined within the
chain in any order.
4 The ZS3-4 single and cluster controller configurations
allow up to 36 disk shelves, consisting of up to six chains
of one to six disk shelves. Any combination of disk-only
and Logzilla-capable shelves may be combined within the
chain in any order. You can also attach mixed disk shelf
types (DE2 family and legacy Sun Disk Shelves) behind
the same controllers, but each chain must contain only the
same disk shelf type. Directly connecting different disk
shelf types is not supported.
2 The ZS3-2 controller connects to external storage through
a 4-port (4x4) SAS-2 HBA. You can attach from one to 16
HDD-only or SSD/HDD Logzilla-capable disk shelves to
the controller. You can also attach mixed disk shelf types
(DE2 family and legacy Sun Disk Shelves) behind the same
controllers, but each chain must contain only the same disk
shelf type. Directly connecting different disk shelf types is
not supported.
6 Primary storage for 7420 controllers is provided by one to
six chains of attached storage. Each chain consists of up to