Assign Global Spare Drives - Spectra T120 User Manual

Chapter 6 — Partition Management

Assign Global Spare Drives

The Global Spare option lets you remotely substitute a working drive for a
failed one using a spare drive in the library. Having a Global Spare drive in
the library lets you continue your backup operations and replace the failed
drive the next time you are physically present at the library. See
Global Spare Drive on page 349
Spare drive in place of a failed drive.
Requirements Before you can configure the Global Spare option, the
following requirements must be met:
 The partition must use direct-attached LTO Fibre Channel drives. The
 In addition to the drives assigned to the partition for use by the host
 All of the drives in a partition with a Global Spare must match the
 The drives that are configured as Global Spares must be connected to
Partitions When configuring the partition, keep the following in mind:
 The type of drive you select as the Global Spare determines the type of
 The library prevents you from selecting drives that cannot be used as
 Although a Global Spare drive can be shared by multiple partitions, the
 If drives of the required type are already installed, you can configure a
August 2018
Creating a Storage Partition Using Direct-Attached Fibre Channel or SAS
Global Spare feature is not available for use with other drive
technologies.
software, the library must have direct-attached LTO Fibre Channel
drives available for use as spares in the partition.
technology and generation of the Global Spare.
the same Fibre Channel arbitrated loop or fabric as the drives they
would replace. You may need to reconfigure your switch to access the
Global Spare drive.
drives that you can assign to the partition.
Global Spares, including drives already selected as controllers.
drive can only be used by one partition at a time. To ensure that each
partition has access to a Global Spare when needed, configure one or
more dedicated Global Spare drives for each partition.
drive as a Global Spare as part of the partition configuration process. If
you do not currently have a drive that can be used as a Global Spare
installed in the library, but install one later, you can edit the partition to
configure Global Spares.
for instructions on how to use the Global
User Guide—Spectra T120 Library
Use the
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