HP
HP AJ828A StorageWorks DAT 320 160/320GB External SAS backup drive
External SAS tape drive storing 160 GB native or 320 GB compressed on DAT-320 and DAT-160 cartridges at 12 MBps native and 24 MBps compressed
- Native 160 GB capacity stores full backups on one cartridge
- Compressed 320 GB capacity doubles storage with hardware compression
- 24 MBps compressed transfer rate completes jobs in half the time
- 64 MB buffer smooths data flow during streaming writes
- SAS interface connects directly to servers without extra controllers
HP StorageWorks DAT 320 external SAS tape drive
The HP AJ828A is an external backup drive that writes and reads DAT-320 and DAT-160 cartridges. It connects through a SAS interface and stores 160 GB native or 320 GB compressed per tape. A 64 MB buffer helps maintain steady streaming during long jobs.
Suited for small-server archives needing removable
Organisations that require offline, removable copies for compliance or air-gap protection will find the cartridge format practical. Environments that need random-access speed, very high throughput, or network-attached backup targets should consider disk- or cloud-based alternatives instead.
SAS interface dictates host compatibility
The drive ships with a SAS connection and requires a compatible host adapter or controller. Verify that the server or workstation has an available SAS port before purchase.
Besonderheiten
- Native 160 GB capacity stores full backups on one cartridge
- Compressed 320 GB capacity doubles storage with hardware compression
- 24 MBps compressed transfer rate completes jobs in half the time
- 64 MB buffer smooths data flow during streaming writes
- SAS interface connects directly to servers without extra controllers
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Fragen zu diesem Artikel
How do I connect the SAS interface on the AJ828A to my server?
Use a standard SAS cable from the drive's external port to a compatible SAS HBA or RAID controller; the step often missed is ensuring the host bus adapter supports the DAT 320 recording standard before configuring the backup software.
Which tape cartridges will I need to replace over time for the AJ828A?
The drive reads and writes DAT-320 and DAT-160 cartridges; plan to replace media after the manufacturer's recommended pass count or if the drive reports write errors during verification.
What is the native throughput ceiling I will hit during a long backup job on the AJ828A?
Sustained native transfer tops out at 12 MBps with a 64 MB buffer; compressed throughput reaches 24 MBps (86 GBph) but only with compressible data.
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