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---+ Gratia dCache Probe
---++Description

Install the required packages, in our storage element:
<pre>
wget http://vdt.cs.wisc.edu/software/dcache/gratia//1.00.5g-1/gratia-probe-dcache-1.00.5g-1.sl4_32.tar.gz
tar xvfz gratia-probe-dcache-1.00.5g-1.sl4_32.tar.gz
rpm -i  gratia-probe-extra-libs-1.00.5g-1.noarch.rpm
wget ftp://mirror.switch.ch/pool/3/mirror/centos/4.6/centosplus/i386/RPMS/postgresql-libs-8.1.9-1.el4s1.1.i386.rpm
rpm -ivh postgresql-libs-8.1.9-1.el4s1.1.i386.rpm
rpm -i  gratia-probe-extra-libs-arch-spec-1.00.5g-1.i386.rpm
rpm -i  gratia-probe-common-1.00.5g-1.noarch.rpm
rpm -i  gratia-probe-dCache-storage-itb-1.00.5g-1.noarch.rpm
rpm -i  gratia-probe-dCache-transfer-itb-1.00.5g-1.noarch.rpm
</pre>

To get the billing database working, in our dcache installation:
<pre>
 /opt/d-cache/bin/dcache stop
 vim /opt/d-cache/config/dCacheSetup
billingToDb=yes
/opt/d-cache/bin/dcache start
</pre>
log as "postgres" user. Look if you have "Indexes" in the end of 
<pre>
su - postgres
psql
\c billing
\d
</pre>
I didn't see the "Indexes", so create it :
<pre>
create unique index transaction on doorinfo(transaction);
create index dates_di on doorinfo(datestamp);
create index initiator on billinginfo(initiator);
create index dates on billinginfo(datestamp);
\q
</pre>
Now you can edit your configuration file:
<pre> 
vim /opt/d-cache/gratia/probe/dCache-transfer/ProbeConfig
</pre>
were we changed it :
<pre>
SSLRegistrationHost="gratia-transfer.opensciencegrid.org:8886"
SiteName="osg-se.sprace.org.br"
Grid="OSG"
UserVOMapFile="/OSG/monitoring/osg-user-vo-map.txt"
EnableProbe="1"
DBHostName="localhost"
DBLoginName="srmdcache"
DBPassword="srmdcache"
OnlySendInterSiteTransfers="false"
</pre>
And start this service:
<pre>
chkconfig --level 345 gratia-dcache-transfer on
service gratia-dcache-transfer start
</pre>

You can check if a python process is running:
<pre>
ps -aux|grep python
python dCacheBillingAggregator.py
</pre>
and look the feedback from these sites:
http://t2.unl.edu/gratia/xml/facility_transfer_volume
and 
http://gratia-transfer.opensciencegrid.org:8886/gratia-reporting/

In this last one, you can even query , using SQL, the activity due an specific
user:
<pre>
select * from MasterTransferSummary where CommonName like '%Marco%' order by
TransferSummaryID
</pre>
---++Updates
Topic revision: r1 - 2009-01-27 - MarcoAndreFerreiraDias
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