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TP-00347-01
19
Preparation
SAS uses serial connections, with a direct connection between the host server and each of the
storage devices. This eliminates the need to configure SCSI buses and assign SCSI IDs, as was
required for parallel SCSI devices.
The companion Ark Tape server purchased from Editshare will be configured with a compatible
SAS Host Bus Adapter (HBA). Refer to the
Ark Setup and User Guide
for more information.
Supported speeds by drive generation are shown in the following table:
LTO Generation
Supported Speeds
LTO-5
1.5 Gb/s, 3Gb/s, 6Gb/s
LTO-6
1.5 Gb/s, 3Gb/s, 6Gb/s
LTO-7
1.5 Gb/s, 3Gb/s, 6Gb/s
LTO-8
1.5 Gb/s, 3Gb/s, 6Gb/s
A SAS tape drive is identified by a unique identifier called a World Wide Name (WWN) or World
Wide Identifier (WWID). The library assigns the WWID to the drive bay. When a tape drive is
replaced, the WWID is re-assigned to the new tape drive.
The operating system tracks the WWID for the tape drive on each HBA channel. Each of the drive
connectors on the fan-out cable is associated with an HBA channel. Once a tape drive has been
plugged in, it should remain on the same channel to retain the association between the HBA
channel and WWID.
Fibre Channel Requirements
For best performance, use the appropriate HBA for your tape drive. A lower throughput
HBA might result in performance degradation when backing up highly compressible data
to a higher throughput tape drive.
In a SAN installation, all switches between the host and the library must be of the
appropriate type. A lower throughput switch in the path may result in performance
degradation. Configure zoning so only the backup servers may access the library.
The Fibre Channel tape drive can be connected directly to the server with a host bus adapter (HBA).
The installation requires one Fibre Channel cable for each tape drive. The tape drives all utilize an
LC-style connector. Some drives will have two FC ports, but only one cable connection is needed
per drive. The cable can be connected to either drive FC port.
The companion Ark Tape server purchased from Editshare will be configured with a compatible FC
Host Bus Adapter (HBA). Refer to the
Ark Setup and User Guide
for more information.
Supported speeds by drive generation are listed in the following table:
LTO Generation
Supported Speeds
LTO-5
2 Gb/s, 4 Gb/s, 8 Gb/s
LTO-6
2 Gb/s, 4 Gb/s, 8 Gb/s
LTO-7
2 Gb/s, 4 Gb/s, 8 Gb/s
LTO-8
2 Gb/s, 4 Gb/s, 8 Gb/s
Содержание 24Q
Страница 1: ...24Q Ark Tape Library 48Q Ark Tape Library Setup and User s Guide ...
Страница 37: ...TP 00347 01 37 Operator Control Panel OCP Main Menu Main Menu ...
Страница 38: ...38 TP 00347 01 Chapter 4 Operation Information Menu Information Menu 1 of 2 ...
Страница 39: ...TP 00347 01 39 Operator Control Panel OCP Information Menu 2 of 2 ...
Страница 40: ...40 TP 00347 01 Chapter 4 Operation Commands Menu Commands Menu ...
Страница 41: ...TP 00347 01 41 Operator Control Panel OCP Configuration Menu Configuration Menu ...
Страница 42: ...42 TP 00347 01 Chapter 4 Operation Service Menu Service Menu 1 of 2 ...
Страница 43: ...TP 00347 01 43 Operator Control Panel OCP Service Menu 2 of 2 ...
Страница 70: ...70 TP 00347 01 Chapter 4 Operation ...
Страница 106: ...106 TP 00347 01 Chapter 7 Specifications ...
Страница 110: ...110 TP 00347 01 Chapter 8 Regulatory Information ...
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