Upgrading Options For Supported Trays; Upgrading Cache Memory - Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual

Upgrading
Options for
Supported
Trays
Upgrading
Cache Memory
10
Table 1 Upgrading Options for Supported Trays
Tray Name
Upgrade Host Adapters
CE7900
E5400
E2600
Upgrade Cache Memory
CE7900
E5400
E2600
There are several option for upgrading cache memory in a controller-drive tray or a
controller tray.
Each controller canister in the CE7900 controller tray has two sockets for cache
memory DIMMs and a cache backup memory device. Use this procedure to add a
cache memory DIMM, if the space is available, or upgrade an existing cache
memory DIMM and, if necessary, add a cache backup memory device.
Tray Upgrading Option
Upgrade 4-Gb/s FC to 8-Gb/s FC.
Upgrade 1-Gb/s iSCSI to 10-Gb/s iSCSI.
Install a second HIC (4-Gb/s FC, 8-Gb/s FC, 1-Gb/s
iSCSI, 10-Gb/s iSCSI).
Install a HIC in addition to the base host ports (8-Gb/s FC or
40-Gb/s InfiniBand).
Install a HIC in addition to the base host ports (8-Gb/s FC,
1-Gb/s iSCSI, 10-Gb/s iSCSI, 6-Gb/s SAS).
Populate empty DIMM slots to increase capacity to 8-GB
and add an additional cache backup memory device.
Replace 1-GB DIMMS with 2-GB DIMMs to increase
capacity to 16 GB and add an additional cache backup
memory device.
Replace 2-GB DIMMS with 4-GB DIMMs to increase
capacity to 16 GB and add an additional cache backup
memory device.
Replace 2-GB DIMMS with 4-GB DIMMs to increase
capacity to 12GB and add an additional cache backup
memory device.
Replace 4-GB DIMMS with 8-GB DIMMs to increase
capacity to 24 GB and add an additional cache backup
memory device.
Replace 1-GB DIMMS with 2-GB DIMMs to increase
capacity to 2 GB.
Replace 2-GB DIMMS with 4-GB DIMMs to increase
capacity to 4 GB.