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Promise Technology E610f Manual de usuario Pagina 2

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Best Practices Guide 1
Table of Contents
About This Guide ..................................................................................................................................................................2
Introduction ...........................................................................................................................................................................2
Guidelines..............................................................................................................................................................................3
Choosing a Suitable Topology ............................................................................................................................................4
DAS.....................................................................................................................................................................................4
HA Options for DAS........................................................................................................................................................4
Storage Level.............................................................................................................................................................4
Appliance Level..........................................................................................................................................................4
SAN.....................................................................................................................................................................................5
HA Options for SAN........................................................................................................................................................5
Access Control in a SAN Topology................................................................................................................................5
Configuring the VTrak ..........................................................................................................................................................6
Single/Dual Controller Module............................................................................................................................................6
Memory Option ...................................................................................................................................................................6
Hard Drive...........................................................................................................................................................................6
Recommended Settings .....................................................................................................................................................6
Alert Notification..................................................................................................................................................................7
Configuring the RAID............................................................................................................................................................8
RAID 5 and RAID 6.............................................................................................................................................................8
Global Revertible Hot Spare...............................................................................................................................................9
Logical Drive Attributes.......................................................................................................................................................9
Initializing the Logical Drives ............................................................................................................................................10
Setting up Access Control.................................................................................................................................................10
Assigning Storage to VTL.................................................................................................................................................10
Enabling LUN Mapping.................................................................................................................................................10
Configuring LUN Mapping............................................................................................................................................11
Assign VTL Tape to VTL Clients.......................................................................................................................................11
Tuning the Performance.....................................................................................................................................................11
Distributing I/O Load among Subsystems........................................................................................................................11
Distributing I/O Load on Logical Drives............................................................................................................................11
Distributing I/O Load on Fibre Channel Ports...................................................................................................................11
Identifying and Removing Slow Drives.............................................................................................................................11
Summary..............................................................................................................................................................................12
About Promise.....................................................................................................................................................................13
Contact Us ...........................................................................................................................................................................13
List of Figures
Figure 1. DAS topology...........................................................................................................................................................
4
Figure 2. SAN topology...........................................................................................................................................................5
Figure 3. Recommended RAID configuration.........................................................................................................................8
Figure 4. How global revertible hot spares work.....................................................................................................................9
List of Tables
Table 1. Recommended settings............................................................................................................................................
7
Table 2. Recommended settings for logical drive attributes.................................................................................................10
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