Dell PowerVault LTO4-120HH Bedienungsanleitung PDF herunterladen (Seite 25)

l SAS enables multiple devices (up to 128) of different sizes and types to be connected simultaneously with thinner and longer cables.

l Its full-duplex signal transmission supports up to 3.0 Gb/s.

l SAS drives can be hot-plugged.

Encryption

The LTO4-120HH Tape Drive has Application Managed Encryption (AME) functionality. AME is supported on Windows Server 2003. You must have an

application that supports encryption to use the drives encryption capability. For more details, consult your application support documentation.

Features

The tape drive has the following features:

l Capacity of 800 GB (native), 1600 GB (compressed*) on a single LTO Ultrium 4 tape cartridge

l Built-in read-after-write verification for a high level of data integrity

l Maximum Data transfer rate of 120 MB per second (native)

l Burst data transfer rate of 300 MB per second

l 256 MB of read/write cache memory

l Intelligent LTO-DC dual-mode compression algorithm

l Failsafe leader capture mechanism with pin pick error recovery

l Reads cartridge memory in LTO cartridges

l TapeAlert support for improved diagnostic and troubleshooting

l Internal drive: 3 Gb Serial Attached SCSI interface

l External drive: 3 Gb Serial Attached SCSI interface

l Speed matching (The drive can slow down to 30 MB per second minimum to match the system data rate.)

l Sleep mode for energy conservation

l Backward read and write compatibility with Generation 3 cartridges

l Backward read compatibility with Generation 2 cartridges (does not read or write Generation 1 cartridges)

l Compatible with all cartridges that bear the official Ultrium LTO logo

l Will interchange tapes with other LTO tape drives that bear the official Ultrium LTO logo

l Support for WORM (Write Once Read Many) using WORM media

l Data encryption capability using LTO Ultrium 4 media

* Assumes 2:1 compression. The capacity and transfer rate you realize in practice depends on the data set, which affects the actual compression ratio.

Tape Backup Software

You need backup software that supports the Dell PowerVault LTO4-120HH tape drive. As a general rule, native backup applications (such as NTBackup and tar) do

not provide the required data streaming rate to get the full performance of your tape drive. It is recommend that you use a backup application that provides better

memory management as well as other useful features, such as TapeAlert. For the latest supported software versions, go to the Dell support website at

support.dell.com or visit the support site of your backup software vendor.

Front Panel

Figure 3. Front Panel

1. Eject button

2. Ready/Activity LED

3. Fault LED

4. Single-character display (SCD)

5. Single red dot

1. Eject button. The eject button enables you to perform several functions. These functions are described in detail in "Using the Tape Drive."

2. Ready/Activity LED. The front panel of your Dell PowerVault LTO4-120HH tape drive has a green Ready/Activity LED providing information about the state of

the tape drive. The LED can be solid on or flashing when lit. See Table 1 for more descriptions.