1. gLite 1.4. Data Mangement Exercises
Salvatore Scifo
Test Tutorial Catania
February 8th, 2006

2. Starting to work with DMS
Before starting to use DMS ensure yourself about having a valid proxy certificate.
[glite-tutor] /home/sammysci/dms_exercise > voms-proxy-info
Couldn't find a valid proxy.
It means that your certificate has just expired  and you need to get a new one .……
Salvatore Scifo INFN Catania

3. Get a one day valid proxy
[glite-tutor] /home/sammysci/dms_exercise > voms-proxy-init --voms gilda
Your identity: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
Enter GRID pass phrase:
Your proxy is valid until Tue Feb 7 22:57:
Creating temporary proxy Done
Contacting voms.ct.infn.it:15001 [/C=IT/O=GILDA/OU=Host/L=INFN "gilda"
Creating proxy Done
[glite-tutor] /home/sammysci/dms_exercise > voms-proxy-info
subject : /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
issuer : /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
identity : /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
type : proxy
strength : 512 bits
path : /tmp/x509up_u3017
timeleft : 11:53:28
Now you are able to interact to the GRID services.
Salvatore Scifo INFN Catania

4. Get a 7 days valid proxy
[glite-tutor] /home/sammysci/dms_exercise > myproxy-init –voms –s grid001.ct.infn.it
Your identity: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
Enter GRID pass phrase for this identity:
Creating proxy Done
Proxy Verify OK
Your proxy is valid until: Tue Feb 14 11:12:
Enter MyProxy pass phrase:
Verifying password - Enter MyProxy pass phrase:
A proxy valid for 168 hours (7.0 days) for user sammysci now exists on grid001.ct.infn.it.
[glite-tutor] /home/sammysci/dms_exercise > myproxy-get-delegation -sgrid001.ct.infn.it
[glite-tutor] /home/sammysci/dms_exercise > myproxy-info -sgrid001.ct.infn.it
username: sammysci
owner: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
timeleft: 167:58:15 (7.0 days)
Now you are able to interact to the GRID services.
Salvatore Scifo INFN Catania

5. glite-catalog-ls
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-ls /sammy
/sammy/pippoRemote.txt
/sammy/tmpdir
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-ls /sammy –l
-pdrwl-gs--r-l-g :40:40 /sammy/pippoRemote.txt
dpdrwlx----rwl-----r-l :50:05 /sammy/tmpdir
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-ls /sammy –lv
# Using endpoint
# Service version: 1.4.2
# Interface version: 2.0.0
# Schema version: 1
# Client version: 1.7.1
# Client interface version: 1.7.1
Salvatore Scifo INFN Catania

6. glite-catalog-rm
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-rm /sammy/tempdir
rm: getFileCatalogEntry: Lfn "/sammy/tempdir" does not exist!
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-rm /sammy/tmpdir
rm: rmdir: directory: "/sammy/tmpdir" is not empty!
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-ls /sammy -R
/sammy/pippoRemote.txt
/sammy/tmpdir
/sammy/tmpdir/pippo.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-rm /sammy/tmpdir/pippo.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-ls /sammy -lR
-pdrwl-gs--r-l-g :40:40 /sammy/pippoRemote.txt
dpdrwlx----rwl-----r-l :50:05 /sammy/tmpdir
Uhm…
Uhm…
Let’s take a look better!!!
Salvatore Scifo INFN Catania

7. Creating a new test file
[glite-tutor] /home/sammysci/dms_exercise > vi tutorial.txt
this is a test file for this tutorial ;-) ~ :w :q
[glite-tutor] /home/sammysci/dms_exercise > ls -al
total 20
drwxr-xr-x 2 sammysci users Feb
drwx sammysci users Feb
-rw-r--r sammysci users Feb 7 11:44 tutorial.txt
Notice that these are a linux command line of the UI machine
Salvatore Scifo INFN Catania

8. Putting file to the Storage Element
[glite-tutor] /home/sammysci/dms_exercise > glite-put tutorial.txt /sammy/tutorialRemote.txt
INFO glite-io-client-put : Start File Transfer
[glite-put] Total 0.00 MB |====================| % [0.0 Mb/s]
INFO glite-io-client-put : File Transfer Completed
Transfer Completed:
LFN : /sammy/tutorialRemote.txt
GUID : 001c4f76-7cac-13e c1ced08dbeef
SURL : srm://egee016.cnaf.infn.it:8443/srm/managerv1?SFN=/dpm/cnaf.infn.it/home/gilda/sammy/tutorialRemote.txt
Data Written [bytes] : 42
Eff.Transfer Rate[Mb/s] :
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-ls /sammy –lR
-pdrwl-gs--r-l-g :40:40 /sammy/pippoRemote.txt
-pdrwl-gs--r-l-g :55:41 /sammy/tutorialRemote.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-chmod a+w /sammy/tutorialRemote.txt
-pdrwl-gs--rwl-g----w :55:41 /sammy/tutorialRemote.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-chmod g+x /sammy/tutorialRemote.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-ls /sammy/tutorialRemote.txt –l
-pdrwl-gs--rwlxg----w :55:41 /sammy/tutorialRemote.txt
Salvatore Scifo INFN Catania

9. glite-catalog-stat
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-stat /sammy/tutorialRemote.txt
LFN: /sammy/tutorialRemote.txt
Created: :55:41.000
Modified: :55:41.000
Size:
Type: File
Expires: Never
GUID: c4f76-7cac-13e c1ced08dbeef
Created: :55:44.000
Modified: :55:44.000
Checksum:
Status:
User: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
Group: egee-group
User rights: pdrwl-gs
Group rights: --rwlxg-
Other rights: ---w----
Replicas:
srm://egee016.cnaf.infn.it:8443/srm/managerv1?SFN=/dpm/cnaf.infn.it/home/gilda/sammy/tutorialRemote.txt
Master replica
Created: :55:41.000
Modified: :55:41.000
Salvatore Scifo INFN Catania

10. Working with metadata
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-setattr -m FileNumber=001 /sammy/tutorialRemote.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-setattr -m FileType=A /sammy/tutorialRemote.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-stat /sammy/tutorialRemote.txt
LFN: /sammy/tutorialRemote.txt
GUID: c4f76-7cac-13e c1ced08dbeef
User: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
Group: egee-group
Replicas: srm://egee016.cnaf.infn.it:8443/srm/managerv1?SFN=/dpm/cnaf.infn.it/home/gilda/sammy/tutorialRemote.txt
Attributes:
FileNumber = 001
FileType = A
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-getattr -nFileNumber /sammy/tutorialRemote.txt
FileNumber=001
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-getattr /sammy/tutorialRemote.txt
FileType=A
Salvatore Scifo INFN Catania

11. Working with replica file
[glite-tutor] /home/sammysci/dms_exercise > lcg-infosites --vo gilda se
**************************************************************
These are the related data for gilda: (in terms of SE)
Avail Space(Kb) Used Space(Kb) Type SEs
grid009.ct.infn.it
aliserv6.ct.infn.it
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-setreplica -a grid009.ct.infn.it /sammy/tutorialRemote.txt
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-getreplica /sammy/tutorialRemote.txt
srm://egee016.cnaf.infn.it:8443/srm/managerv1?SFN=/dpm/cnaf.infn.it/home/gilda/sammy/tutorialRemote.txt
grid009.ct.infn.it
Salvatore Scifo INFN Catania

12. Complete status of the file
[glite-tutor] /home/sammysci/dms_exercise > glite-catalog-stat /sammy/tutorialRemote.txt
LFN: /sammy/tutorialRemote.txt
Created: :55:41.000
Modified: :55:41.000
Size:
Type: File
Expires: Never
GUID: c4f76-7cac-13e c1ced08dbeef
Created: :55:44.000
Modified: :55:44.000
Checksum:
Status:
User: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN-Catania/CN=Salvatore
Group: egee-group
User rights: pdrwl-gs
Group rights: --rwlxg-
Other rights: ---w----
Replicas: srm://egee016.cnaf.infn.it:8443/srm/managerv1?SFN=/dpm/cnaf.infn.it/home/gilda/sammy/tutorialRemote.txt
Master replica
Created: :55:41.000
Modified: :55:41.000
grid009.ct.infn.it
Created: :20:58.000
Modified: :20:58.000
Attributes:
FileNumber = 001
FileType = A
Salvatore Scifo INFN Catania