Supported Controller Trays And Controller-Drive Trays; Controller Trays - Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual

Supported

Controller Trays

and
Controller-Drive
Trays
Maximum
Number of
Drives and
Volumes for
Controller-Drive
Trays and
Controller Trays
6
This section describes the supported controller trays and controller-drive trays.
Table 4 Controller Trays and Controller-Drive Trays
Term
Controller tray
Controller-drive tray
Table 1 shows the controller-drive trays, the controller trays, and the maximum
number of drives and the total number of volumes that are supported by each
controller tray or controller-drive tray. The total numbers include drives or volumes
that are contained in the controller-drive tray and in additional attached drive trays.
Table 5 Supported Trays and the Maximum Number of Drives and Volumes
Tray Name
Controller-drive trays
E2600
CE4900
E5400
Controller trays
CE7900,
CE7922
1
Snapshot (Legacy) repository volumes and Synchronous Mirroring
repository volumes are included in the number of volumes supported.
2
Additional drive trays are not supported.
The following table lists controller-drive trays and controller trays can co-exist in a
storage network with hardware running storage management software version 10.83
and controller firmware version 7.83. They cannot, however, be upgraded to storage
management software version 10.83 and controller firmware version 7.83.
Description
A unit that contains one or two controllers, a battery
(optional), and redundant cooling fans and power
supplies. Controller trays do not contain environmental
services modules (ESMs).
A unit that contains up to 16 drives, redundant cooling
fans and power supplies, and (depending on the model)
one or two controllers. Controller-drive trays do not
contain ESMs.
Controller
Type
Storage Array
192
1280 or 2560 112
4096 or 8192 384
480
Maximum
Maximum
Volumes per
Drives per
Storage Array
512
1024
2048
1