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High Availability and Reliability
The libraries meet or exceed the needs of the market segment that demands their ultra-
high availability feature. In fact, reliability begins before you receive your tape library. The
L20 tape library features a locking pin that holds the picker stationary during shipping,
and the L40 and L80 are packed with foam to stabilize the robot. To set up the library,
remove the locking pin or foam, connect the power, connect the host, add and configure
the drives, label and add the cartridges, and apply power. The library is ready to go.
After the library is installed, StorageTek continues to provide you with maximum uptime
and availability of your critical data. As the market leader in tape automation, StorageTek
understands the critical library elements that improve the overall availability of the entire
system.
In particular, StorageTek has focused on the following items to provide significant
benefit to you, the customer:
•
Robust Mechanical Design
•
Fault-Tolerant Cooling System
•
Critical Component Monitoring and Error Notification
■
Robust Mechanical Design
StorageTek brings enterprise-class reliability to the libraries. All subassemblies are
streamlined; for example, cabling is simplified to reduce the number of connectors. Also,
the hand (or picker) uses a quiet and simple design, which results in high performance.
The libraries use highly integrated electronics. All the main library functions reside on a
single controller card, resulting in a more reliable, cost-effective solution than a
motherboard with several plug-in modules. This minimalist approach enables the library
to yield both high value and reliability.
Table 9-1. Reliability Measurements
Mean exchanges between failures
Mean time to repair
Mean time between failures
MT9104
2,000,000
Less than 30 minutes
360,000 hours (full operation)
Seventh Edition
9
9-1
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