BIOS AP DVT10U3, User Manual

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BIOS AP Inc.
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13
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
Recovery Rate Setup
RECOVER RATE
5Min. /GB
Recovery (Rebuild) operations utilize free time between host data access without interrupting the current
host application.
Therefore data read/write priority can be adjusted through different recovery rate setting.
User can choose the timing to execute recovery operations as below.
Parameter Function Memo
RECOVER
WAIT
TIME 0 Sec
Recovery request will be processed immediately between host
commands. Recovery will always be processed therefore host
access will be slow down. Select this mode if you want the
recovery have high priority.
RECOVER
WAIT
TIME 0.1 Sec
Continuous host commands will be processed first. Recovery
operation will be taken care when the interval between host
commands longer than 0.1 sec. The following host command has
to wait till one recovery task completed except READ/WRITE or
READ Cache command which will be executed immediately.
Default
RECOVER
WAIT
TIME 1 Sec
This can be used when host access are not concentrated.
The wait interval following the last host command is 1 sec. On this
mode, the recovery operation will not be processed if the host
commands are continuous with less than 1 sec internal.
RECOVER
WAIT
TIME 10 Sec
Usually this should not be used.
Probably this mode can be applied if there is very little host
access.
RECOVER
RATE
2Min./GB
5Min./GB
10Min./GB
20Min./GB
This is to assign the recovery time for 1GB capacity despite of
interval to wait between host commands.
There is possibility 1GB recovery cannot be completed
within assigned interval.

Patrol Time Setup
SYSTEM PATROL
30 DAYS/CYCLE
10S, 5S, 3S, 5 DAYS/CYCLE,
10 DAYS/CYCLE, 20 DAYS/CYCLE,
30 DAYS/CYCLE*
This parameter is to specify the period of doing patrol. You can setup
「
10S
」
,
「
5S
」
,
「
3S
」
to perform
one time patrol or you can setup
「
5 DAYS/CYCLE
」
,
「
10 DAYS/CYCLE
」
,
「
20 DAYS/CYCLE
」
,
「
30
DAYS/CYCLE
」
to perform whole capacity patrol.
The length of one Patrol depends on this setting and the Buffer Segment Size.
System Patrol
30 Days/Cycle
Calculate of the whole LUN size and schedule patrol all disk in 30
days cycle
Default
System Patrol Calculate of the whole LUN size and schedule patrol all disk in