Familiy Meeting Januar 24, 2012

dCache installation workshop

Introduction ( 1/4 h )

• 'release notes' of previous 12 months
• FHS mentioning
• IT HIT mentioning
• New dCache license AGPL (implications)
• New Media (Customer information services)
  • Twitter
  • RSS Feed
  • Google Plus
  • User Forum, announcements should be made available on static web pages
• Release policy for next 12 month.

Improved File (re)distribution ( 1 hours , Gerd )

• High level view
• Introduction of mechanisms/algorithms
• News on the migration module for file reshuffling

gPlazma2 ( 1 h - 1.5 h )

• Theory
  • Why gPlamza2
  • High level design
  • How about ARGUS
  • Configuration files and things
• Hands-on migration to gPlazma 2
  • default setup
  • complicated setup with GRID plus individual users
    • vo-role-mapping
    • kpwd or NIS

Protocols

• pNFS ( 1.5 - 2.0 hours )
  • Complete server/client installation procedure including Kerberos and LDAP
    • All on authentication and authorization
  • Hands-on (maybe together with gPlazma)(Oleg)
    • Andreas : Kerberos preparation
  • Some words on x509 and pNFS
• xrootd ( 1/4 hours )
  • What's new in dcache : enableing xrootd redirector
• WebDAV ( 1/4 hours )
  • Basic authentication
  • IT-Hit imbedded WebDAV client in broswer
  • Authenticate against KDC

Black Magic ( 1 - 1.5 hours )

• Postgres (Sergey)
  • Postgres tuning (How to run in-memory, Postgres profiling)
  • Postgres backup
  • Postgres high availability
• File system tuning (Christoph)
  • Blocksizes and scheduler
  • Present possible configurations of FS's (xfs, ext4 blah blah)

Bits and Pieces ( 0.5 )

• Instructions on how to migrate to FHS (dCache no longer root) (Christoph)
• New web administaration interface (Tanja)

Related Topics and reports ( 1 hours )

• PIC : on Nagios probes
• LMU : distribution of files based on billing DB
• DESY : Birgit report on DESY Photon science
• Wuppertal : Sergey on virtualization of biling DB
• Paul: WLCG Teg working group results

The usual Promises ( 1/4 hours )

• 3 Tier
• HDFS, GPFS

Title	Min	Max
Introduction	1/4	1/4
Improved File (re)distribution	1	1
gPlazma2	1	1.5
Protocols	2	2.5
Black Magic	1	1.5
Bits and Pieces	0.5	0.5
Related Topics and reports	1	1
The usual Promises	1/4	1/4