The Chimera Command Line Interface

Examples of writing to Chimera name space via the admin interface

Ls

list directory "/pnfs" in the Chimera name space as you would with unix command

/opt/d-cache/libexec/chimera/chimera-cli.sh Ls /pnfs 
40755      3      0      0    512 Thu Apr 15 19:14:52 CEST 2010 .
40755      7      0      0    512 Thu Apr 15 19:14:47 CEST 2010 ..
40755      3      0      0    512 Thu Apr 15 19:14:58 CEST 2010 desy.de
Total: 0

Mkdir

Make directory "/pnfs" in the Chimera name space

/opt/d-cache/libexec/chimera/chimera-cli.sh Mkdir //pnfs 

Chown

Set Ownership for directory "/pnfs/desy.de/data/dteam" to UID 18118.

/opt/d-cache/libexec/chimera/chimera-cli.sh Chown //pnfs/desy.de/data/dteam 18118

Chgrp

Change group ownership for directory "/pnfs/desy.de/data/dteam" to GID 2688

/opt/d-cache/libexec/chimera/chimera-cli.sh Chgrp //pnfs/desy.de/data/dteam 2688

Chmod

Chmod changes permissions for directory "/pnfs/desy.de/data/dteam" to mode 775 like conventional UNIX files systems.

/opt/d-cache/libexec/chimera/chimera-cli.sh Chmod //pnfs/desy.de/data/dteam 775

Lstag

List "Tags" on a directory, Tags are used by dCache to sort file storage behavior.

/opt/d-cache/libexec/chimera/chimera-cli.sh Lstag //pnfs/desy.de/data/dteam

Writetag

Write the value from STDIN (in this example "STATIC") to the Tag "sGroup" in the directory "/pnfs/desy.de/data/dteam"

echo "STATIC" | /opt/d-cache/libexec/chimera/chimera-cli.sh Writetag /pnfs/desy.de/data/dteam sGroup

Readtag

/opt/d-cache/libexec/chimera/chimera-cli.sh Readtag /pnfs/desy.de/data/dteam OSMTemplate
StoreName dteam