Scalar DLC Reference Guide 5
This logical library concept is based on a partition containing the continuous range of elements of a single
type (for example, storage) and media domain (for example, DLT). The partitions cannot overlap; however,
a single partition can be assigned to two or more logical libraries. In that case, two logical libraries will have
a shared area, and the clients of the first library can access this area as well as the clients of the second
library.
Figure 3 Partitions and Logical Libraries
Two or more clients either of the same type (for example, DAS-based) or of different types (for example,
DAS-based and ROBAR-based) may use a single logical library. This means that they have rights to use
common resources that are part of this library (cartridges, drives, and so forth). See Figure 4
.
Figure 4 Clients and Logical Libraries
PC System Requirements
The minimum PC system hardware requirements are based on Microsoft PC 2000 System Design Guide
Specifications. The following list summarizes the Scalar DLC system requirements:
Required:
• 800 MHZ or faster Inter Pentium
TM
or equivalent CPU (minimum 4 free PCI slots in chassis)
• 256K L2 Cache
• 256 MB RAM
• Dual matched Hard Drives (10GB or more)
• CD RW
• 3.5" Diskette Drive
CAUTION
Sharing the single partition between two or more logical libraries may cause
access problems, so this feature must be used with extreme caution.
Note
The partition cannot contain both storage tower and storage shelf elements, even if they
consist of the identical storage slots (for example, Generic DLT). This means for the
single-media library with a storage tower (for example, Scalar 10K), no less than two
storage partitions should be created in order to cover its storage area completely; the
first partition will cover the tower, and the second will cover the linear storage (storage
shelves).
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