Specifications

DS300f G2 Series User Manual
140
makInG loGIcal DrIve SettInGS (clu)
To make Logical Drive settings:
1. From the Main Menu, highlight Logical Drive Management and press Enter.
2. Highlight the logical drive you want and press Enter.
3. For the following items, accept the existing setting choose a new one:
•
HighlightAliasandtypeanaliasintotheeldprovided.
• Maximumof32characters.Useletters,numbers,spacebetween
wordsandunderscore.Analiasisoptional.
• HighlightWritePolicyandpressthespacebartotogglebetween
WriteBackandWriteThru(writethough).
• HighlightReadPolicyandpressthespacebartotogglethoughReadCache,ReadAheadandNone.
•
HighlightPreferred Controller IDandpressthespacebartotogglebetween1and2.
•
HighlightPerfectRebuild andpressthespacebartotogglebetweenEnableand
Disable.NotethatoncePerfectRebuildisdisbaleditcannotbeenabledagain.
4. Press Control-A to save your settings.
InItIalIzInG a loGIcal DrIve (clu)
This function sets all data bits in the logical drive to zero.
Warning
When you initialize a logical drive, all the data on the logical drive is lost.
Backup any important data before you initialize a logical drive.
To initialize a logical drive:
1. From the Main Menu, highlight Logical Drive Management and press Enter.
2. Highlight the logical drive you want and press Enter.
3. Highlight Background Activities and press Enter.
4. Highlight Start Initialization and press Enter.
The initialization parameters appear.
• Initialization pattern
–Thedefault00000000isbestformostapplications
• Quick Initialization–Yesmeansonlytherstandlastsectionsofthelogical
drivesareinitialized.Nomeanstheentirelogicaldriveisinitialized.
To change a parameter, highlight it and press the backspace key to erase the current value, then type the
new value.
5. Highlight Start and press Enter.
If necessary, you can pause and resume or stop and restart the Initialization. You cannot access the
logicaldriveuntilInitializationhasnished.
For initialization rate, see "Making Background Activity Settings (CLU)" on page 154.
runnInG reDunDancy check (clu)
Redundancy Check is a maintenance procedure for logical drives in fault-tolerant disk arrays that ensures all
the data matches exactly.
To run Redundancy Check:
1. From the Main Menu, highlight Logical Drive Management and press Enter.
2. Highlight the logical drive you want and press Enter.
3. Highlight Background Activities and press Enter.
4. Highlight Start Redundancy Check and press Enter.
The redundancy check parameters appear.
• Auto Fix
–Correctsinconsistenciesautomatically
• Pause On Error–PausestheRedundancyCheckwhenanerrorisfound
To change a parameter, highlight it and press the backspace toggle between Yes and No.
5. Highlight Start and press Enter.
If necessary, you can pause and resume or stop and restart the Redundancy Check. You can use the
logical drive while Redundancy Check is running.
For Redundancy Check rate, see "Making Background Activity Settings (CLU)" on page 154.
locatInG a loGIcal DrIve (clu)
This feature helps you identify the physical drives assigned to the logical drive you are working with in the CLU.
To locate a logical drive:
1. From the Main Menu, highlight Logical Drive Management and press Enter.
2. Highlight the logical drive you want and press Enter.