User's Guide

Chapter 8 Extended Data Lifecycle Management
About EDLM
Scalar i500 User’s Guide 205
• All types of tape cartridges (data, cleaning, diagnostic, and firmware
update tapes) can be scanned manually. However, only data
cartridges can be scanned automatically.
• If StorNext® Storage Manager is managing your partitions, you can
use it in conjunction with EDLM to automatically copy data off of
bad or suspect tapes or to trigger media scans. To use StorNext, you
must separately install a SNAPI client plug-in. See S
tep 2: Installing
the EDLM Plug-in for SNAPI on page 208.
• All media to be scanned must have a readable barcode label.
• All scans are performed in the order in which their requests were
received. If there are too many scans for the available tape drives,
scan requests are queued. Exception: Manual scans always go to the
top of the queue, regardless of when they are scheduled.
• A tape may only be scheduled once in the queue. For example, if a
tape is in the queue to be scanned per a particular policy, and a
different policy attempts to schedule it for scan later in the queue, the
scan requests will be combined and the tape will only be scanned
once, at the earlier time, and for the longest scan length (quick,
normal, or full).
• You cannot move media using the Operations > Media > Move
command to or from an EDLM library managed partition.
• You cannot delete the last remaining EDLM library managed
partition if a standard partition has automatic EDLM scan policies
enabled.
• The maximum number of records returned for an EDLM scan is 500.
Details about the EDLM library managed partition include:
• You can have multiple EDLM library managed partitions in the
library.
• All tape drives in the EDLM library managed partition must be
“EDLM-scanning drives” (not standard tape drives) which must be
purchased from Quantum. These EDLM-scanning drives are HP
LTO-4 Fibre Channel or HP LTO-5 Fibre Channel tape drives. You
can have both LTO-4 and LTO-5 EDLM-scanning drives in the same
EDLM library managed partition.
• An EDLM library managed partition can support any number of
EDLM-scanning drives (within the normal support of the physical
library).