Specifications

DS300f G2 Series User Manual
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4. Make the following settings are required:
•
ClickthePDMRatedrop-downmenuandchoosearate:
Low–FewersystemresourcestoPDM,moretodataread/writeoperations.
Medium–BalancessystemresourcesbetweenPDManddataread/writeoperations.
High–MoresystemresourcestoPDM,fewertodataread/writeoperations.
• Highlightthecurrentvaluesintheblockthresholdeldsandinputnewvalues.
Reassignedblockthresholdrangeis1to512blocks.
Errorblockthresholdrangeis1to2048blocks.
5. Click the Conrm button.
tranSItIon
Transition is the process of replacing a revertible spare drive that is currently part of a disk array with an
unconguredphysicaldriveoranon-revertiblesparedrive.
See "Running a Transition on a Spare Drive" on page 103.
MAking trAnsition settings
To make Transition settings:
1. Click the Administration tab.
2. Click the Background Activities icon.
The list of background activities appears.
3. Click the Settings button.
4. Click the Transition Rate drop-down menu and choose a rate:
• Low
–FewersystemresourcestoTransition,moretodataread/writeoperations.
• Medium–BalancessystemresourcesbetweenTransitionanddataread/writeoperations.
• High–MoresystemresourcestoTransition,fewertodataread/writeoperations.
5. Click the Conrm button.
SynchronIzatIon
Synchronization is automatically applied to redundant logical drives when they are created. Synchronization
recalculates the redundancy data to ensure that the working data on the physical drives is properly in sync.
Mouse-overonthelogicaldrive,clicktheViewbutton,andlookunderLogicalDriveInformationbesidetheline
that says Synchronized. A Yes means the logical drive was synchronized. See "Viewing Logical Drive Information"
on page 96
MAking synchronizAtion settings
To make Synchronization settings:
1. Click the Administration tab.
2. Click the Background Activities icon.
The list of background activities appears.
3. Click the Settings button.
4. Click the Synchronization Rate drop-down menu and choose a rate:
• Low
–FewersystemresourcestoSynchronization,moretodataread/writeoperations.
• Medium–BalancessystemresourcesbetweenSynchronizationanddataread/writeoperations.
• High–MoresystemresourcestoSynchronization,fewertodataread/writeoperations.
5. Click the Conrm button.
battery reconDItIonInG
Batteriesmaintainpowertothecontrollercacheintheeventofapowerfailure,thusprotectinganydatathat
has not been written to a physical drive. Reconditioning is the action of discharging and recharging a battery to
preserve its capacity and performance.