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Infrequently the xrootd servers are scanned to find all the files that are on disk. Instead of scanning everything below /glast the scan is split into the listings for all of it subdirectories.
/glast/ASP, /glast/Data, /glast/bt, /glast/level0, /glast/mc, ....
The results of the scans are stored in the directory
...
that points to the most recent file listing.
Output files
File listings
For each subdirectory that is scanned the results are stored in the file:
| Panel |
|---|
filelist<topdir> filelist_<topdir> |
and <topdir> is the directory the scan started and '/' are replaced by '_'. For example:
the files below /glast/Data are stored in filelist_glast_Data.
each line contains the
...
1461254 1185332890 1178747325 1178747325 /glast/mc/ServiceChallenge/backgndSC-GR-v11r2/merit/backgndSC-GR-v11r2-000008-merit.root sulky02 0
The lines are sorted with respect to the data file names.
duplicate files
usage by directory
info file
Command used to collect the data
> SrvFileListing --outdir /nfs/farm/g/glast/u15/xrootd/files_on_disk/<YYYYMMDD> --cfg ~glastdat/config/filelisting.cf --cfg_section file_listing --migr
(ScaRunOnHosts -f glast -r -w -p – /u/gl/glastdat/releases/prod_admin/bin/ScaRunner ...)
> cd /nfs/farm/g/glast/u15/xrootd/files_on_disk/<YYYYMMDD>
> SrvFileListingCompact.shThe info file contains the date the listing was obtained.