cache

[Ayman Altounji]

is cache on 3200 ES controller "on volatile"? If not what does it take to make it on volatile?

[Ayman Altounji]

Cache on the Smart 3200 array controller is battery backed up, so it's not violatile.

[Ayman Altounji]

How long is the cache buffer with the battery?
Bye MB

[Ayman Altounji]

Specifcations
Protocol Wide Ultra2 SCSI, Wide-Ultra SCSI-3, Fast Wide SCSI-2 or Fast SCSI-2
SCSI Electrical Interface Low Voltage Differential (LVD) & Single Ended
Drives Supported Up to 30 Wide Ultra21 SCSI, Wide-Ultra SCSI-3, Fast-Wide SCSI-2 or Fast SCSI-2 Hard Drives, when used with the ProLiant Storage System UE the maximum number of drives per channel is 12.
Data Transfer Method 32-Bit PCI bus master
Maximum Transfer Rate on System Bus (peak) 133 MB/s
Simultaneous Drive Transfer Channels Two
Total Channel Transfer Rate 80 MB/s per channel
In order to function at Wide Ultra2 SCSI transfer rates, the Smart Array 3200 Controller must be used with Wide Ultra2 SCSI capable HDD, drivers & servers.
Software Upgradable Firmware Yes
Read/Write Cache 64-MB Array Accelerator, removable with battery backup (56MB available) built on the removable daughter boards.
Logical Drives Supported 32
Reliability Features Distributed Data Guarding (RAID 5) Yes
Data Guarding (RAID 4) Yes

Drive Mirroring (RAID 1) Yes

Drive Striping (RAID 0) Yes

Controller Duplexing Yes1

Automatic Data Recovery Yes