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Space

Size

Backup

Lifetime

Storage class

Comment

xtc

Unlimited

Tape archive

6 months

Short-term

Raw data

usr

Unlimited

Tape archive

6 months

Short-term

Raw data from users' DAQ systems

hdf5

Unlimited

Tape archive

6 months

Short-term

Data translated to HDF5

scratch

Unlimited

None

6 months

Short-term

Temporary data

xtc/hdf5

10TB

n/a

2 years

Medium-term

Selected XTC and HDF5 runs

ftc

10TB

None

2 years

Medium-term

Filtered, translated, compressed

res

1TB

Disk

2 years

Medium-term

Analysis results

User home

20GB

Disk + tape

Indefinite

 

User code

Tape archive

Unlimited

Two copies

10 years

Long-term

Raw data

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  • The scratch directory is meant to provide a large, short term disk storage (6-months) for intermediate results. Users can write to this directory during data analysis development and later on move the most important results to res. Please do not store under the scratch folder data that you cannot recreate because this directory is not backed up. This folder doesn't have a quota.

What goes in the usr experiment directory?

  • The usr folder contains data files collected by users' DAQ systems which are not integrated with the LCLS data acquisition system (eg some Rayonix cameras).

Can we ask for an increase of the 2-years quota for a particular experiment?

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