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====== LustreFS su WAN ======
**Persone/Sedi coinvolte**: 
  * Stefano Stalio (LNGS)
  * Federico Zani (Roma2)
  * Domenico Diacono & Giacinto Donvito (Bari)
  * Cristina Aiftimiei (Padova)

===== Setup =====
 
  * MDS/MDT & OSS/OST configurati in HA (Active/Passive), usando le coppie di macchine con DRBD device replicato:
    * MDS/MDT - cream-11.pd/test-nat-linux.lngs
    * OSS/ODT - ozone.roma2/glsrv.ba
 
===== Some test results =====
  * velocita' copy Lustre/NFS
<code>
# time for i in `seq -w 1 2000`; do cp -rp static_messages /lustre/test_speed/smallFile-$i  ;done

real	9m27.287s
user	0m1.992s
sys	0m12.878s

# mount -t nfs ozone.roma2.infn.it:/export/brick1/testscp /mnt/
# time for i in `seq -w 1 1000`; do cp -r static_messages /mnt/smallFile-$i  ;done

real	2m43.469s
user	0m0.928s
sys	0m3.528s
</code>


===== Logs dell'installazione e configurazione =====
  * Lustre client - {{:cn:ccr:cloud:cloudstorage:lustre_client.txt|}}
  * modulo DRBD per il kernel-lustre, compilazione e installazione - {{:cn:ccr:cloud:cloudstorage:drbd_lustre_build.txt|}}

===== References =====