Areca ARC-1882LP Uživatelský manuál stáhnout pdf (Strana 189)

189

APPENDIX

The batteries in the BBM are recharged continuously through a

trickle-charging process whenever the system power is on. The

batteries protect data in a failed server for up to three or four

days, depending on the size of the memory module. Under nor-

mal operating conditions, the batteries last for three years before

replacement is necessary.

• Recovery ROM

RAID controller rmware is stored on the ash ROM and is ex-

ecuted by the I/O processor. The rmware can also be updated

through the RAID controllers PCIe 2.0 bus port or Ethernet port

without the need to replace any hardware chips. During the con-

troller rmware upgrade ash process, it is possible for a problem

to occur resulting in corruption of the controller rmware. With

our Redundant Flash Image feature, the controller will revert back

to the last known version of rmware and continue operating.

This reduces the risk of system failure due to rmware crash.

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Areca ARC-1882LP Uživatelský manuál Strana 189