Promise Technology 66 Pro Manual De Usuario
SuperTrak66™ User's Manual
Chapter 5
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Turning On Read Cache
Depending on the application or server operation in which the SuperTrak66 is used,
admin/users may elect to turn on the read cache feature of the SuperTrak66
controller for performance purposes or disable caching entirely. Presence or
absence of read cache may have a dramatic effect. Consult Chapter 6 RAID
Management for more details.
1) To turn on read cache from SuperCheck, double-click the Array icon in Tree
admin/users may elect to turn on the read cache feature of the SuperTrak66
controller for performance purposes or disable caching entirely. Presence or
absence of read cache may have a dramatic effect. Consult Chapter 6 RAID
Management for more details.
1) To turn on read cache from SuperCheck, double-click the Array icon in Tree
View.
2) In the Information View, left-click the arrow next to the Read Cache selection
box and choose "On" (see p. 98).
Turning Off Caching
1) To turn off all caching from SuperCheck, double-click the Array icon in Tree
View.
2) In the Information View, left-click the arrow next to the Read Cache selection
box and choose "Cache Off". This will disable all caching functions from
SuperTrak66 (see p. 98).
SuperTrak66 (see p. 98).
Turning On/Off Write Back Cache
Write-back cache affects system perf ormance depending on server and application
type. However, write-back cache data will be lost in the event of a system power
outage or other event where the data has not yet been saved to disk. Turning off
write-back caching will force SuperTrak66 to immediately save all writes to the drive.
1) To turn on/off write back caching from SuperCheck, double-click the Array icon
type. However, write-back cache data will be lost in the event of a system power
outage or other event where the data has not yet been saved to disk. Turning off
write-back caching will force SuperTrak66 to immediately save all writes to the drive.
1) To turn on/off write back caching from SuperCheck, double-click the Array icon
in Tree View.
2) In the Information View, make sure Read Cache is turned "On".
3) Left-click the arrow next to the Write Cache selection box and choose "Write
Back". This will enable "write" and "write back" caching functions from
SuperTrak66 (see p. 98).
SuperTrak66 (see p. 98).