...
- Your (larger) Data is archived on tape, so it will take a few minutes to get it back (unless it is online or has a disk-copy).
- You need a project to archive your data (apply for a project here: eResources).
HSM at AWI
Four domains for tape archiving at AWI | |||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
A disk copyis available for specific (smaller) files for some file systems. This allows a significantly faster access of offline files. The availability of this disk archive depends on the actual resources/usage and might change. |
Concept
Principle Idea
- HSM: A (H)ierarchical (S)torage (M)anagement system consists of (at least) two storage systems: A cache speeds up access, and the hierarchy reduces cost. Based on a set of rules, data is stored on certain connected storage devices (tapes and optional disks).
- ScoutFS is used at AWI since 2024 and supersedes samfs (used since 2004) www.versity.com/products/scoutfs/ www.scoutfs.org .
- ScoutAM is used as (A)rchive (M)anager www.versity.com/products/scoutam/ and supersedes OHSM/VSM
...
- 2 TFinity Tape Libraries in two buildings
- each has 3100 licensed slots for LTO tapes
- 600 LTO-9 tapes in each library (600x ~20 TB → ~12 PB)
TFin-E | |
Server, Switches and disks
...