InstallDcacheShadowPoolConfiguration

Configuration of dCache v1.9.5 pool

• See section "Creating and configuring pools" on http://www.dcache.org/manuals/Book-1.9.13/start/in-install.shtml
• Installing_dcache_pool gives a description on how to add a pool v180

Headnode settings

• On the headnode in PoolManager.conf add these lines

psu create pool pool2-shadow
psu create unit -net    192.168.99.0/255.255.255.0
psu addto ugroup all_net 192.168.99.0/255.255.255.0
psu addto ugroup in_net 192.168.99.0/255.255.255.0
psu addto ugroup in_server 192.168.99.0/255.255.255.0
psu addto pgroup cms pool2-shadow
psu addto pgroup becms pool2-shadow
psu addto pgroup default pool2-shadow
psu addto pgroup out_buf pool2-shadow
psu addto pgroup phedex_pools pool2-shadow

Pool node settings

• behar030 has been used as the reference storage box
• Install dcache software

wget http://www.dcache.org/downloads/1.9/dcache-server-1.9.5-29.noarch.rpm
rpm -ivh dcache-server-1.9.5-29.noarch.rpm
wget http://www.dcache.org/downloads/1.9/dcache-srmclient-1.9.5-23.noarch.rpm
rpm -ivh dcache-srmclient-1.9.5-23.noarch.rpm

• In the v180 setup the dCacheSetup file differs from the template file with several aspects
  • ourHomeDir and ourHome are set
  • serviceLocatorHost is defined to hostname
  • java version is not set to a specific version
  • java_options are different
  • metaDataRepository, metaDataRepositoryImport, parallelStreams, srmBufferSize, srmTcpBufferSize, billingToDb parameters are set explicitely
  • logArea=/var/log/dcache is set to specific subdirectory
• The v180 file has been put in place with the necessary changes
• The v195 log4j.properties is kept
• PoolManager.conf: seems to be the default file in v180 and the v195 and v180 don't seem to differ
• dcache.kpwd: put file of behar030 in place
• dcachesrm-gplazma.policy: put behar030 file in place
• logConfig.xml: kept v195 file
• node_config: set behar030 version of file but change the
• srm_setup.env keep 195 file
• /opt/pnfs/etc/pnfs_config: no such file
• /usr/etc/pnfsSetup: no such file

• generate keys

cd /opt/d-cache/config/
ssh-keygen -t rsa1 -b  768 -f ./server_key -N "" 
ssh-keygen -t rsa1 -b 1024 -f ./host_key   -N "" 

• run install script

/opt/d-cache/install/install.sh

• make log directory

mdkir /var/log/dcache

• look into http://mon.iihe.ac.be/trac/t2b/wiki/Installing_dcache_pool for the procedure to add a pool to the headnode
• In short it goes like this
  • there is a poollist file on the pool node /opt/d-cache/config/pool2-shadow.poollist. It contains this line

pool2-shadow  /storage/1/pool  sticky=allowed recover-space recover-control recover-anyway lfs=precious tag.hostname=pool2-shadow

• • must make sure this /storage/1/pool/data directory exists, in this case made a symlink to a larger partition

ln -s /var/storage /storage
mkdir /var/storage

• • then create the pool

/opt/d-cache/bin/dcache pool create 20g /storage/2/pool/ 

• • Don't forget to add the pool in PoolManager.conf on the headnode and restart dcache on both headnode and poolnode
• some more directories are created when the dcache is started
• scp ccq:/root/dCache_essential_config/behar030_essential_config/setup /storage/1/pool/setup.orig.behar

• Add lcg-CA rpms

wget http://repository.egi.eu/sw/production/cas/1/current/repo-files/EGI-trustanchors.repo
mv EGI-trustanchors.repo /etc/yum.repos.d/
yum install ca-policy-egi-core
yum install lcg-CA

• start dcache

/opt/d-cache/bin/dcache start