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Commit 0a946724 authored by Martin Schroschk's avatar Martin Schroschk
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# Intermediate Archive
With the "Intermediate Archive", ZIH is closing the gap between a normal
disk-based file system and [Longterm Archive](PreservationResearchData).
The Intermediate Archive is a hierarchical file system with disks for
buffering and tapes for storing research data.
With the "Intermediate Archive", ZIH is closing the gap between a normal disk-based file system and
[Longterm Archive](PreservationResearchData.md). The Intermediate Archive is a hierarchical file
system with disks for buffering and tapes for storing research data.
Its intended use is the storage of research data for a maximal duration
of 3 years. For storing the data after exceeding this time, the user has
to supply essential metadata and migrate the files to the [Longterm
Archive](PreservationResearchData). Until then, she/he has to keep track
of her/his files.
Its intended use is the storage of research data for a maximal duration of 3 years. For storing the
data after exceeding this time, the user has to supply essential metadata and migrate the files to
the [Longterm Archive](PreservationResearchData.md). Until then, she/he has to keep track of her/his
files.
Some more information:
- Maximum file size in the archive is 500 GB (split up your files, see
[Datamover](DataMover) )
- Data will be stored in two copies on tape.
- The bandwidth to this data is very limited. Hence, this file system
must not be used directly as input or output for HPC jobs.
- Maximum file size in the archive is 500 GB (split up your files, see
[Datamover](../data_moving/DataMover.md))
- Data will be stored in two copies on tape.
- The bandwidth to this data is very limited. Hence, this file system
must not be used directly as input or output for HPC jobs.
## How to access the "Intermediate Archive"
For storing and restoring your data in/from the "Intermediate Archive"
you can use the tool [Datamover](DataMover). To use the
[Datamover](DataMover) you have to login to Taurus
For storing and restoring your data in/from the "Intermediate Archive" you can use the tool
[Datamover](../data_moving/DataMover.md). To use the DataMover you have to login to Taurus
(taurus.hrsk.tu-dresden.de).
### Store data
dtcp -r /<directory> /archiv/<project or user>/<directory> # or
dtrsync -av /<directory> /archiv/<project or user>/<directory>
```Shell Session
dtcp -r /<directory> /archiv/<project or user>/<directory> # or
dtrsync -av /<directory> /archiv/<project or user>/<directory>
```
### Restore data
dtcp -r /archiv/<project or user>/<directory> /<directory> # or
dtrsync -av /archiv/<project or user>/<directory> /<directory>
```Shell Session
dtcp -r /archiv/<project or user>/<directory> /<directory> # or
dtrsync -av /archiv/<project or user>/<directory> /<directory>
```
### Examples
dtcp -r /scratch/rotscher/results /archiv/rotscher/ # or
dtrsync -av /scratch/rotscher/results /archiv/rotscher/results
```Shell Session
dtcp -r /scratch/rotscher/results /archiv/rotscher/ # or
dtrsync -av /scratch/rotscher/results /archiv/rotscher/results
```
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