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correlator:nimbus

Nimbus data store

Data security

Data are stored under '/data/lba/<year>'.

A script (lockdata.sh) runs regularly to protect any data more than a few days old from deletion by setting the append-only attribute (chattr +a).

To delete data you must first unprotect it. There is a script

 unlockdata.sh <expname> 

to make the data available for deletion (it runs chattr -a; chmod +w).

You can then delete the data using a safety script

 deletedata.sh <expname> 

which wraps round rm while providing some sanity checks to help avoid accidents.

The above scripts help to avoid accidental deletion, but are far from foolproof. Please be careful!

correlator/nimbus.txt · Last modified: 2021/05/18 19:02 by cormac