Dell PowerVault™ TL4000/TL2000 Failover Guide
LT04 Configurations
•
Two homogeneous (Fibre Channel or SAS)
LTO4 full height drives in a single library
partition
•
Control path enabled on all drives in the
partition
•
Microsoft Windows 2003, Windows 2008
or Windows 2008 R2 installed in the host
server
•
Dell PowerVault™ TL4000 library device
driver running on host server
•
CommVault Galaxy 6.1 SP4 or later or
Commvault Simpana 7.0 SP4 or later
installed in the host system
•
Failover activated via license key on the
Dell PowerVault™ TL4000 library
•
Shared Storage license applied to the
CommVault backup application
Failover Support Configuration Details
This section details the configuration requirements that must be meet in order to support failover using
the Dell PowerVault™ TL2000 or TL4000 library.
Important Note: Failover support is limited to the Dell PowerVault™ TL4000 when configured with LT04
drives.
Configuration Samples
Please refer to the following diagrams for cabling the supported failover configurations. The drive
shown as the failover path does not need to be on standby (i.e. not in use) for failover to occur.
Failover Reference Configuration 1:
One host, one Fibre Channel switch and one Dell PowerVault™ library with two Fibre Channel
drives
In this configuration, failover occurs if one of the drives in the library fails (hardware failure or drive is
disconnected from the Fibre Channel switch). The physical connection of this configuration is shown in
Figure 1.
Important Note: The Fibre Channel Drive Generation can be LT04 or LT05
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Table 3: Failover Configuration Requirements
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LT05 Configurations
•
Two or more homogeneous (Fibre
Channel or SAS) LTO5 drives in a single
library partition
•
Control path enabled on all drives in the
partition
•
Microsoft Windows 2003, Windows 2008,
or Windows 2008 R2 installed on the host
server
•
Dell PowerVault™ TL4000\TL2000 library
device driver running on host server
•
CommVault Galaxy 7.0 SP4 or later
installed in the host system
•
Failover activated via license key on the
Dell PowerVault™ TL4000 or TL2000
library
•
Shared Storage license applied to the
CommVault backup application
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