Hi,
Words written by `Graeme Stewart' on 24 May 2005 at 12:48:50 +0100 prompted:
> Hi Folks
>
> I'm close to being happy with our scotgrid dCache test setup. dteam members
> should be able to try out
>
> srm://se2-gla.scotgrid.ac.uk:8443/pnfs/ph.gla.ac.uk/data/dteam
I've put the file in, couldn't get it back. Firewall issues?
> (Weird domain because all the test pool nodes are in the ph.gla.ac.uk domain.)
>
> I've also collected out experiences here, in case they're of any help:
>
> http://www.physics.gla.ac.uk/gridpp/datamanagement/index.php/DcacheStorage
Seem useful.
> One scenario which we'd like to test though is the removal of a pool node. I
> am imagining a machine has to come down for some reason and stop being a
> dCache pool. How do we tell dCache to:
>
> + Stop putting data onto that pool
dCache is intelligent enough to cope with that. The admin node simply
won't use a pool that's down.
> + To migrate existing data onto other pools
>
> Does anyone have a recipe?
>
> Graeme
>
> PS. srm-advisory-delete is still not working! Can anyone else replicate this
> bug? We're using an LCG YAIM install - could it be a "feature" of that
> install method?
>
> On the client side:
>
> grid05:~$ /opt/d-cache/srm/bin/srm-advisory-delete -debug=true
> -x509_user_proxy=/tmp/x509up_u1005
> srm://se2-gla.scotgrid.ac.uk:8443/pnfs/ph.gla.ac.uk/data/dteam/test0
> SRM Configuration:
> debug=true
> gsissl=true
> help=false
> pushmode=false
> userproxy=true
> buffer_size=2048
> tcp_buffer_size=0
> config_file=/home/graeme/.srmconfig/config.xml
> glue_mapfile=/opt/d-cache/srm/conf/SRMServerV1.map
> webservice_path=srm/managerv1.wsdl
> webservice_protocol=https
> gsiftpclinet=globus-url-copy
> protocols_list=http,gsiftp
> save_config_file=null
> srmcphome=/opt/d-cache/srm
> urlcopy=/opt/d-cache/srm/bin/url-copy.sh
> x509_user_cert=/home/graeme/k5-ca-proxy.pem
> x509_user_key=/home/graeme/k5-ca-proxy.pem
> x509_user_proxy=/tmp/x509up_u1005
> x509_user_trusted_certificates=/home/graeme/.globus/certificates
> retry_num=20
> retry_timeout=10000
> wsdl_url=null
> use_urlcopy_script=false
> connect_to_wsdl=false
> from=null
> to=null
>
> Tue May 24 12:44:07 BST 2005: SRMClient(https,srm/managerv1.wsdl,true)
> Tue May 24 12:44:07 BST 2005: connecting to server
> Tue May 24 12:44:07 BST 2005: connected to server, obtaining proxy
> SRMClientV1 : connecting to srm at
> httpg://se2-gla.scotgrid.ac.uk:8443/srm/managerv1
> Tue May 24 12:44:08 BST 2005: got proxy of type class
> org.dcache.srm.client.SRMClientV1
> Tue May 24 12:44:08 BST 2005: calling srm.advisoryDelete()
> SRMClientV1 : advisoryDelete
> SURLS[0]="srm://se2-gla.scotgrid.ac.uk:8443/pnfs/ph.gla.ac.uk/data/dteam/test0"
> SRMClientV1 : advisoryDelete, contacting service
> httpg://se2-gla.scotgrid.ac.uk:8443/srm/managerv1
> SRMClientV1 : sleeping for 0 milliseconds before retrying
> SRMClientV1 : sleeping for 0 milliseconds before retrying
> [...]
>
>
> The server (se2-gla) and the pool node (grid05) have a good chat to one
> another, e.g.
>
> 12:45:03.722109 se2-gla.scotgrid.ac.uk.36798 > grid05.ph.gla.ac.uk.36728: P
> 40574:41742(1168) ack 40743 win 33304 <nop,nop,timestamp 33447574 33450553>
> (DF)
> 12:45:03.727662 grid05.ph.gla.ac.uk.36728 > se2-gla.scotgrid.ac.uk.36798: .
> ack41742 win 34752 <nop,nop,timestamp 33450553 33447574> (DF)
> 12:45:03.736261 grid05.ph.gla.ac.uk.36728 > se2-gla.scotgrid.ac.uk.36798: P
> 40743:41121(378) ack 41742 win 34752 <nop,nop,timestamp 33450554 33447574>
> (DF)
> 12:45:03.736317 se2-gla.scotgrid.ac.uk.36798 > grid05.ph.gla.ac.uk.36728: .
> ack41121 win 33304 <nop,nop,timestamp 33447575 33450554> (DF)
> 12:45:03.737406 grid05.ph.gla.ac.uk.36728 > se2-gla.scotgrid.ac.uk.36798: P
> 41121:42310(1189) ack 41742 win 34752 <nop,nop,timestamp 33450554 33447575>
> (DF)
> 12:45:03.737465 se2-gla.scotgrid.ac.uk.36798 > grid05.ph.gla.ac.uk.36728: .
> ack42310 win 33304 <nop,nop,timestamp 33447575 33450554> (DF)
>
> Nothing written to the logs. Can we increase the verbosity of the srm server?
>
> --
> --------------------------------------------------------------------
> Dr Graeme Stewart http://www.physics.gla.ac.uk/~graeme/
> Department of Physics and Astronomy, University of Glasgow, Scotland
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