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AccessDcacheFiles
This document describes how user with grid certificate can access the files stored in the AGLT2 dCache system! All files in dCache need to be copied to a local fi...
r2 - 23 May 2019 - 18:43 by WenjingWu
AssociateDirectoryToPools
How a associate a directory to certain pools user case: we need to designate certain pools for sc07,which means when we write data to a certain directory, data wi...
r7 - 08 Apr 2009 - 23:36 by WenjingWu
AutoTestPrograms
Auto Test Programs over AGLT2 Cluster Related PNFS mount point test Purpose Make sure every computer node has "/pnfs/aglt2.org" mounted , and every gridftp door ...
r3 - 16 Oct 2009 - 20:14 by TomRockwell
Cfengine2to3Transition
Transition from CFEngine v2 to v3, and Build dCache Pool Servers Introduction As documented elsewhere in this Wiki, cfengine2 is currently (Oct 2012) in use to c...
r48 - 20 Sep 2017 - 15:24 by BobBall
ConsistencyWorkAferLosingAnode
What To Do after losing the dcache partions of a Node? Due to the rocks rebuilding failures. dcache partitions could be wiped during the rebuilding, thus we have ...
NEW - 30 Jan 2009 - 22:35 by WenjingWu
ControlledShutdown
Shutdown/Startup procedures for AGLT2 Clusters Procedures to cleanly bring All AGLT2 activity to a halt * service cfengine3 stop * This prevents changes...
r3 - 10 Dec 2013 - 18:19 by BobBall
DCacheNotes
Table of Contents * Monitor * Aglt2 dCache Monitor Interface References * http://www.dcache.org/ * some dcache admin scripts dCache Upgrade May 20...
r59 - 12 Jan 2017 - 14:35 by BobBall
DCacheOfAGLT2
Dcache on AGLT2 service distribution: all the dcache services are physically distributed to 37 nodes. tow of them are head nodes(head01.aglt2.org and head02.aglt...
r4 - 24 Sep 2007 - 15:32 by WenjingWu
DCacheRepHot
RepHot for dCache configuration file default path : /opt/rep_hot/config/rephot.conf VERBOSE=1 ## increase it from more detailed log file DEBUG=0 #...
r2 - 19 Sep 2009 - 18:39 by ShawnMcKee
DCacheUpgradeFeb16
Upgrading dCache at AGLT2 from 2.10.55 1 to 2.13.23 1 We are upgrading to the next golden release of dCache on February 23, 2016. We have setup CFEngine to have t...
r5 - 25 Feb 2016 - 21:12 by ShawnMcKee
DCachetoSyslogNG
(Re)Configuring the log4j.properties in dCache to output to Syslog At AGLT2 we have setup a central loghost running syslog ng which also has a php syslog ng web i...
r3 - 16 Oct 2009 - 20:14 by TomRockwell
DDMdq2
This page is OBSOLETE All site services now run at BNL. AGLT2 DQ2/DDM Verification and Debugging One of the central tasks for our Tier2 is to support a DQ2 ser...
r28 - 23 May 2011 - 18:35 by ShawnMcKee
DataManagement
Just starting this out... Tom, May 21 Data Storage Locations What locations are in use and how they are used. We have a number of storage locations for AGLT2: ...
r7 - 16 Oct 2009 - 20:14 by TomRockwell
DcacheTroubeShooting
Dcache TroubleShooting Case 1.. node c 104 2 has some broken files which mean the md5sum of local file doesnt match the md5sum of source file.. we decided to rec...
r8 - 16 Mar 2009 - 16:12 by WenjingWu
DebuggingExample
debug on the dccp on dcache admin node root@head01 ~# dccp dcap://head01.aglt2.org/pnfs/aglt2.org/data/tdhtest3 /tmp/test3 12317 bytes in 0 seconds It works,also ...
r2 - 06 Sep 2007 - 19:33 by WenjingWu
HowToAccessDcacheDataFromLocal
how to copy files from dcache system to your local machines? Now our dcache system support three protocols to access files in dcache:Dcap SRM and GSIFTP proto...
r16 - 29 Oct 2007 - 14:20 by WenjingWu
HowToAccessDcacheDataFromRoot
How To Get Data From Dcache directly by Root when using Root, you can specify the root files in 2 different ways: 1 download these files from the dcache director...
r7 - 29 Oct 2007 - 14:48 by WenjingWu
HowToAddNewPoolNode
How to add a new pool node to dCache/Chimera * Provision node via ROCKS (or other method) * Install correct kernel (if not done above): currently 2.6.38 UL5...
r13 - 30 Oct 2012 - 22:13 by ShawnMcKee
HowToAddNewPoolsToChimera
LOST all my edits by a key sequence...(from Emacs)... * First read dCache book for info: http://www.dcache.org/manuals/Book/start/in install.shtml http://www....
NEW - 19 Nov 2009 - 20:11 by ShawnMcKee
HowToAddNewPoolsToDcache
How To Add New Pools to Dcache This page is obsolete for dCache/Chimera. See HowToAddNewPoolsToChimera instead. On our existing dcache system ,I add some New ...
r11 - 19 Nov 2009 - 19:34 by ShawnMcKee
HowToAddNewStorage
How to Add New Storage to dCache We will look at the example of umfs16, where 12 new pools were added. Following the xfs file system creation, all disks were mou...
NEW - 12 Jan 2017 - 15:16 by BobBall
HowToDrainAndRemoveStorage
Directions on Draining then Removing a Pool Set pool readonly. Can start drain right away, but will likely miss a few files ssh to admin domain \c PoolManager \c...
r2 - 11 Jul 2017 - 14:58 by BobBall
HowToEasyMoveDataFromPoolToPool
Easy Move dcache data from pool to pool UserCase we want to retire non resilient pool umfs07_2 from dcache which holds 1.7TB data,so we need to move these data t...
r3 - 05 Apr 2008 - 20:56 by WenjingWu
HowToMoveDataFromPoolToPool
How to Move data from pool to pool (how to drain a pool) *usecase*: we want to retire the node c 2 33 from the pool nodes..so we need to move the data from po...
r12 - 29 Oct 2007 - 20:44 by WenjingWu
HowToSetUpATLASSpaceToken
Setup Atlas Space Token background details about why space revervation is needed, refer to srm space reservationdcache book. steps to set up space reservation ...
r10 - 08 Apr 2009 - 23:35 by WenjingWu
HowToSetupSrmSpaceReservation
Setup Srm Space reservation background details about why space revervation is needed, refer to srm space reservationdcache book. steps to set up space reservat...
r5 - 20 Feb 2008 - 18:59 by WenjingWu
HowToUpgradeStorage
Upgrading dcache storage hardware This is a procedure to follow when you don't wish to create a new pool but instead copy an old one to new hardware and have it o...
r3 - 17 Dec 2010 - 19:37 by ShawnMcKee
ImplementingQoSatAGLT2
Implementing Network QoS at AGLT2 Recently we have seen periods where our LANs have been congested and packets are dropped. This has resulted in some of the monit...
r4 - 05 Jul 2012 - 15:00 by TomRockwell
InstallUpgradeOSG
Install or Upgrade OSG at AGLT2 The main difference between these instructions and the usual documentation is that we use worker node and wlcg client installation...
r42 - 17 May 2018 - 20:19 by BobBall
MaintenanceIssues
Logs by hostname OldLogs AGLT2 sw1 umfs10 DracResets dc 3 29 dc2 4 15 dc 2 33 dc 2 32 umfs04 head01 dc 2 29 umopt1.gri...
r24 - 16 Oct 2009 - 20:14 by TomRockwell
ManagementofDcache
Management of Dcache main services to maintain head01 : dcache core head02: postgresql pnfs dcache core pool nodes: dcache core dcache pool main configurati...
r11 - 24 Jun 2009 - 15:10 by BenMeekhof
ManualReplicateHotFile
Manual Replication of Hot Files in dCache Particularly for the Health Check, we need multiple copies of the source file All work is performed in either a browser ...
r3 - 02 May 2016 - 17:46 by BobBall
MergeSpaceTokens
Merging Existing Space Tokens When we setup space tokens for AGLT2 we assumed we needed a space token for each VO/Role that needed to be able to write to a space ...
r2 - 09 Oct 2009 - 13:57 by ShawnMcKee
MigrateHardware
Hardware Transition Planning from head01 (old R610) to head01 temp (new R630) We purchased a new Dell R630 to act as replacement hardware for our existing head01 ...
r2 - 23 Oct 2015 - 17:25 by BobBall
Monitors
Local AGLT2 Monitors There are many monitors we've implemented. These include both AGLT2 and general USATLAS pages. Summaries * AGL Compute Summary page of Ph...
r104 - 24 Oct 2018 - 19:10 by BobBall
NetworkIssuesAfterULRetirement
Network Issues at AGLT2 This page is intended to capture the network related issues at AGLT2 Network Issues after UltraLight Router at Starlight (R04CHI) was Ret...
r5 - 10 Sep 2012 - 13:23 by ShawnMcKee
NewdCacheHeadNodesJan11
Creation of New dCache Headnodes (Dell R610) in January 2011 As part of our Fall 2010 procurements we purchased 2 Dell R610 nodes to host the dCache services (he...
NEW - 17 Jan 2011 - 15:34 by ShawnMcKee
NewdCacheNodes
Procedure to Migrate dCache headnodes (head01/head02.aglt2.org) to new hardware and operating system. During fall 2009 and winter 2010, AGLT2 is migrating all lin...
r15 - 12 Feb 2010 - 01:27 by ShawnMcKee
PCacheInstall
Installing pCache and LSM at AGLT2 We are interested in setting up both a Local Site Mover (LSM) and pCache on our worker nodes. The goals are: * Reduce the I...
r2 - 03 May 2011 - 23:12 by ShawnMcKee
PostgresqlUpgrade
Upgrading Postgresql on CentOS/RHEL/SL with Hot standby Systems This Wiki topic covers upgrading our existing PostgreSQL version 9.3.11 on Scientific Linux 6.7 64...
r4 - 22 Feb 2016 - 01:05 by ShawnMcKee
PostgresqlUpgradeAug18
Upgrading Postgresql from 9.5 to 10.5 We want to go to the most recent Postgresql for use by dCache, at least on head01.aglt2.org. Currently Postgresql is version...
r3 - 22 Aug 2018 - 22:17 by ShawnMcKee
PostgresqlonZFS
Postgresql on ZFS AGLT2 has been running Postgresql on top of ZFS on our head01.aglt2.org (dCache headnode) for more than 1 year. Recently we came across an inter...
r2 - 21 Aug 2018 - 17:45 by ShawnMcKee
ReconfgPlazma
(Re)Configuration of gPlazma on AGLT2 Due to issues with SRM failing that were traced to probable issues in gPlazma we are planning to implement some changes to g...
NEW - 09 May 2009 - 17:38 by ShawnMcKee
RecoverFromLostPool
Recovering from a Lost Pool When we lose a pool we need to do a number of things to recover. Once we determine we have really lost the pool we will need to find t...
NEW - 05 Jan 2016 - 19:43 by ShawnMcKee
SL6GateKeeper
Creation of gate04.aglt2.org, the SL6 gatekeeper Core dump style... Not bothering for now to make this pretty, just recording the actions taken 2 cd /etc/yu...
r8 - 26 Sep 2013 - 13:40 by BobBall
SRMstopWorking
AGLT2 SRM Hangs Starting in late April 2009 AGLT2 was having more and more dCache/SRM issues. One problem that significantly increased in frequency was SRM faili...
NEW - 09 May 2009 - 16:39 by ShawnMcKee
SettingUpATLASHOTDISK
Setting up ATLAS Area HOTDISK for AGLT2 As of mid September 2009 we need to provide a new space token area in Tiers of ATLAS call 'HOTDISK'. There are a few com...
r3 - 19 Sep 2009 - 18:45 by ShawnMcKee
ShutDownPoolNode
HowTo Shutdown a Pool Node While In Production We sometimes need to restart/reboot pool nodes and would like to make this as least disruptive to the production sy...
r3 - 07 Jan 2015 - 16:03 by BenMeekhof
SlonyReplicationdCache
Using Slony to Replicate dCache Postgresql DBs We have been running postgresql 9.0.x on our dCacheheadnodes for almost two years. Currently we have have the follo...
r2 - 03 May 2013 - 19:08 by ShawnMcKee
TestingNewStorageBuild
Testing of New dCache Storage Node Build Here is the testing result for a new storage node (summary: it works). After running \x91install_dcache.sh\x92 on UMFS16...
NEW - 10 Feb 2010 - 20:47 by ShawnMcKee
UpgradeGPlazma
Upgrading from GPlazma1 to GPlazma2 on dCache 2.2.12 In preparation for upgrading to dCache 2.6 we need to reconfigure our dCache GPlazma configuration to go from...
r5 - 14 Jun 2013 - 15:52 by ShawnMcKee
UpgradeHead01Postgres
Upgrade Postgres on AGLT2 dCache ADMIN node During our recent upgrade of dCache we also ended up upgrading our Postgres installation on the dCache PNFS node (head...
r4 - 10 May 2009 - 00:57 by ShawnMcKee
UpgradedCacheHeadnodesJun13
Updating and Upgrading dCache Headnodes for AGLT2 June 2013 The dCache headnodes head01.aglt2.org and head02.aglt2.org were transitioned to VMware VMs in 2012. As...
r8 - 09 Jun 2013 - 14:26 by ShawnMcKee
UsefulLinks
Useful Links This page will link to many pages useful for day to day administration Monitoring * Ganglia Monitoring * PerfSonar (latency) (bandwidth) * ...
r9 - 18 Aug 2014 - 21:52 by PhilippeLaurens
WebHome
Atlas Great Lakes Tier2 Web How to contact us * For problems, contact us through our signatures here: * Main.WenjingWu AGLT2 Manager and University of M...
r271 - 10 Sep 2020 - 00:40 by PhilippeLaurens
Number of topics: 55
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