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A summary of ELFI usage
A summary of ELFI usage, to be used as a quickstart or for those already in the knows.
| Author: | Riccardo Murri <riccardo.murri@ictp.it> |
|---|---|
| Date: | Thu Oct 12 10:07:13 CEST 2006 |
Apply the following substitutions when typing the any of the following commands into your Linux shell:
- SE
- The hostname of any SE that is accessible by your VO (you can get a list with ls elfi/).
- logical/file/name
- A logical file name, as you would use with, for instance, lfc-ls.
- local/file/name
- The path name of any local file.
| Command-line | Purpose |
|---|---|
| elfi -v ./elfi | mount the ELFI filesystem |
| ls -l elfi/LFC/logical/file/name | get info about an LFN |
| ls -l elfi/SE/logical/file/name | get info about the replica residing on host SE |
| cat elfi/LFC/logical/file/name vi elfi/LFC/logical/file/name | directly access LFN contents for reading/writing |
cat elfi/SE/logical/file/name vi elfi/SE/logical/file/name |
directly access replica contents for writing |
| cp local/file/name elfi/LFC/logical/file/name | copy a local file into Grid storage and register it under a given LFN |
| mv elfi/LFC/logical/file/name elfi/LFC/other/logical/file/name | rename a LFN |
| ls elfi/*/logical/file/name | list replicas of a given LFN (bash trick :-)) |
| cp elfi/SE1/logical/file/name elfi/SE/logical/file/name | make a new replica of a given LFN on SE |
| cp elfi/SE1/logical/file/name elfi/SE2/logical/file/name | update replica residing on SE2 with contents of replica on SE1 |
| rm elfi/SE/logical/file/name | delete replica residing on SE |
| rm elfi/LFC/logical/file/name | remove an LFN and all of its replicas |
| elfi --unmount ./elfi | unmount ELFI - no more Grid access |
