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XROOTD-L  November 2007

XROOTD-L November 2007

Subject:

Problem creating simple redirector-server setup

From:

Andreas Petzold <[log in to unmask]>

Date:

2 Nov 2007 21:23:48 +0100Fri, 2 Nov 2007 21:23:48 +0100

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (94 lines)

	Hi,

I want to setup a redirector and dataserver using the following config file:

all.manager lobsang.neubert23.net 3121
all.role manager if lobsang.neubert23.net
all.role server if rincewind.neubert23.net
olb.allow host rincewind.neubert23.net
olb.port 3121
olb.path w /home/xrootd/testdata
xrd.protocol xrootd *
xrootd.export /home/xrootd/testdata
xrootd.async off
xrd.adminpath /home/xrootd/xrdadmin
olb.adminpath /home/xrootd/olbadmin
olb.trace all

Are there any obvious problems with this configuration?

The problem is, that while the manager olbd and the server olbd start, they 
never communicate with each other. Here are the log files:

Manager log:

071102 21:03:25 001 (c) 2004 Stanford University/SLAC xrd version 
20070321-1251p1
071102 21:03:25 001 olbd [log in to unmask] initialization started.
071102 21:03:25 001 Using configuration file opt/xrootd/etc/xrootd.cfg
071102 21:03:25 001 Maximum number of connections is 1024
071102 21:03:25 001 (c) 2006 Stanford University/SLAC olbd.
071102 21:03:25 001 [log in to unmask] phase 1 initialization started.
071102 21:03:25 001 [log in to unmask] phase 1 manager initialization 
suceeded.
071102 21:03:25 001 [log in to unmask] phase 2 manager initialization 
started.
071102 21:03:25 001 olb_Config: Round robin scheduling in effect.
071102 21:03:25 001 [log in to unmask] phase 2 manager initialization 
completed.
071102 21:03:25 001 olbd [log in to unmask]:3121 initialization 
completed.
071102 21:04:55 4570 olb_Config: manager service enabled.

Server log:

071102 21:03:46 001 (c) 2004 Stanford University/SLAC xrd version 
20070321-1251p1
071102 21:03:46 001 olbd [log in to unmask] initialization started.
071102 21:03:46 001 Using configuration file opt/xrootd/etc/xrootd.cfg
071102 21:03:46 001 Maximum number of connections is 1024
071102 21:03:46 001 XrdSched: scheduling underused thread monitor in 780 
seconds
071102 21:03:46 001 XrdSched: Starting with 2 workers
071102 21:03:46 001 XrdLink: Allocating 16 link objects at a time
071102 21:03:46 001 XrdPoll: Starting poller 0
071102 21:03:46 001 XrdPoll: Starting poller 1
071102 21:03:46 001 XrdPoll: Starting poller 2
071102 21:03:46 001 XrdProtocol: getting port from protocol olbd
071102 21:03:46 001 (c) 2006 Stanford University/SLAC olbd.
071102 21:03:46 001 [log in to unmask] phase 1 initialization 
started.
071102 21:03:46 001 [log in to unmask] phase 1 server initialization 
suceeded.
071102 21:03:46 001 XrdProtocol: getting protocol object olbd
071102 21:03:46 001 [log in to unmask] phase 2 server initialization 
started.
071102 21:03:46 001 calcSpace New fs info; maxfree=23856404K totfree=23856404K
071102 21:03:46 001 olb_Meter: Found 1 filesystem(s); 22G total bytes free; 
22G available
071102 21:03:46 001 [log in to unmask] phase 2 server initialization 
completed.
071102 21:03:46 10383 XrdSched: running olbd startup inq=0
071102 21:03:46 10383 olb_Start: Waiting for primary server to login.
071102 21:03:46 001 olbd [log in to unmask]:54267 initialization 
completed.
071102 21:03:46 001 XrdSched: scheduling midnight runner in 10574 seconds
071102 21:04:22 10383 calcSpace New fs info; maxfree=23856400K 
totfree=23856400K
071102 21:04:46 10383 calcSpace New fs info; maxfree=23856324K 
totfree=23856324K
071102 21:05:46 10383 calcSpace New fs info; maxfree=23856320K 
totfree=23856320K

There is no filewall between the two hosts and when I us nc to connect to port 
3121 on the manager I see a log message about the connection attempt in the 
master log file.

I don't have an idea what I could be doing wrong. Any advice?

	Cheers,

		Andreas


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