ETERNUS LT270磁带库：规格说明
高可靠性大容量磁带库，整合企业级系统备份
ETERNUS LT270是采用高可靠性大容量LTO Ultrium磁带驱动器的开放式系统磁带库。由于具有将多台服务器的数据备份到单个磁带库的能力，该型号在降低运行成本和总体拥有成本（TCO）的同时，实现了高效的存储资产利用率。
规格说明
| Number of cartridges (*Note 1) | 134
[114] | 248
[228] | 470
[448] | 601 to 709
[579 to 687] (*Note 2) | |
|---|---|---|---|---|---|
| Total storage capacity (uncompressed) | Ultrium 3 | 45.6TB | 91.2TB | 179.2TB | 231.6TB～274.8TB |
| Ultrium 4 | 91.2TB | 182.4TB | 358.4TB | 463.2TB～549.6TB | |
| Number of cabinets | 1 | ||||
| Mounted units | Robot | 2 | |||
| CAS (*Note 3) | 20 (10 cartridges per magazine x 2 CASs) | ||||
| Tape drive | 2 to 20 | ||||
| Ultrium 3 Tape drive | Data transfer rate | 160MB/sec (compressed), 80MB/sec (uncompressed) | |||
| Storage capacity | 800GB/cartridge (compressed), 400GB/cartridge (uncompressed) | ||||
| Ultrium 4 Tape drive | Data transfer rate | 240MB/sec (compressed), 120MB/sec (uncompressed) | |||
| Storage capacity | 1.6TB/cartridge (compressed), 800GB/cartridge (uncompressed) | ||||
| Host interfaces | Fibre Channel | ||||
| Dimensions (W x D x H) | 780mm x 1,270mm x 1,980mm | ||||
| Maximum weight (*Note 4) | 670kg | ||||
| Power
requirements | Voltage | AC200 - 240V | |||
| Phase | Single phase | ||||
| Frequency | 50 or 60Hz | ||||
| Power consumption | 3.2kW | ||||
| Heat dissipation | 16,000kJ/h | ||||
| Environmental
conditions | Temperature | 10 to 35°C (operating), -44 to 66°C (non operating) | |||
| Humidity | 20 to 80%RH (operating), 10 to 95%RH (non operating) | ||||
*Note 1: The number of cartridges includes 20 cartridges for CASs and 2 cartridges for system cells. [] shows the number of cartridges for cells which can be used as user cartridges excluding CASs and system cells.
*Note 2: Maximum number of tape cartridges differs depending on the number of tape drives.
*Note 3: CAS: Cartridge Access Station
*Note 4: The indicated number is maximum weight of LT270 body, not including media.
可用磁带产品
| Storage capacity (*Note 1) | Ultrium 3 Drive | Ultrium 4 Drive | |||
|---|---|---|---|---|---|
| Read | Write | Read | Write | ||
| Ultrium 1 tape cartridge | 100GB (200GB) | Yes | No | No | No |
| Ultrium 2 tape cartridge | 200GB (400GB) | Yes | Yes (*Note 2) | Yes | No |
| Ultrium 3 tape cartridge (*Note 5) | 400GB (800GB) | Yes | Yes (*Note 3) | Yes | Yes (*Note 3) |
| Ultrium 4 tape cartridge (*Note 5) | 800GB (1.6TB) | No | No | Yes | Yes (*Note 4) |
| Cleaning cartridge | Ultrium 1 cleaning cartridge U | ||||
*Note 1: Values in the parenthesis indicate capacities when data is compressed in the ratio of 2:1.
*Note 2: Data is written in the Ultrium 2 format.
*Note 3: Data is written in the Ultrium 3 format.
*Note 4: Data is written in the Ultrium 4 format.
*Note 5: Ultrium 3 and Ultrium 4 tape cartridges (WORM type) can be used with the Ultrium 3 and Ultrium 4 drives.