The Active Archive is long-term storage (an archive), not directly accessible from the HPC machines. It is used from any HPC machine through a batch system using special commands developed by the BSC operations team (dtcp, dttar, dtmv).
The active archive file system is mounted in the path /gpfs/archive and has the following specific features:
- Based in hard drives
- 3.8 PB GPFS Filesystem
- Group quota enabled
- Metadata replicated
- Blocsize = 1MB
The hardware for this long-term storage is:
- 12x GPFS Servers (x3550 M4) with 16GB RAM
- 10x Data Storage Blocks
- 1 DCS3700 Controller + 2 EXP3700
- 180x NL SASA 3TB 3.5'' 7.2K rpm (60 disks per enclosure)
- Block Capacity: 540 TB raw
- 10x Client SErvers (x3550 M4) with 128 GB RAM
- 3x Metadata Blocks
- 1 DS3512 Controler + 6 EXP 3512
- 77x SAS 600 GB 3.5'' 15K rpm
- TOTAL CAPACITY
- DATA: 5.45PB raw (4.1 PB Net)
- METADATA: 135TB raw (67 TB Net)