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XROOTD-L  March 2005

XROOTD-L March 2005

Subject:

Re: xrootd meeting - Tuesday 29 March, 2005

From:

"abh" <[log in to unmask]>

Date:

31 Mar 2005 11:39:03 -0800Thu, 31 Mar 2005 11:39:03 -0800

Content-Type:

text/plain

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Parts/Attachments

text/plain (198 lines)

Hi Gregory,

Hmmm, I guess we hide version because we discover that certain test versions 
are really really bad and you don't have any way of knowing that. It's an 
issue of how we package stuff. The only version you can rely on is the one 
we marked as "production" anything else is likely to have problems.

Andy

----- Original Message ----- 
From: "Gregory Schott" <[log in to unmask]>
To: "abh" <[log in to unmask]>
Cc: "Wilko Kroeger" <[log in to unmask]>; "Peter Elmer" 
<[log in to unmask]>; <[log in to unmask]>
Sent: Wednesday, March 30, 2005 10:16 PM
Subject: Re: xrootd meeting - Tuesday 29 March, 2005


> Hello Andy and Wilko,
>
> Yes I realise it is due to the software version I am running on this 
> dataserver. The september one did not support writting.
>
> I cannot use the latest online versions due to the DNS problem crashing 
> xrootd.
>
> What I could do would be to use a version from January but these are not 
> downloadable anymore! Why do you hide older versions? Do I have to do a 
> website 'mirroring' so that I can use, in the future, the software version 
> I need?
>
> Cheers,
>   Gregory
>
>
> On Wed, 30 Mar 2005, abh wrote:
>
>> Hi Gregory & Wilko,
>>
>> Yes, now I recall. Sorry, I though you were running the latest version. 
>> The version you are running was not able to export more than one 
>> directory. Thanks Wilko for reminding me of that!
>>
>> Andy
>>
>> ----- Original Message ----- From: "Wilko Kroeger" 
>> <[log in to unmask]>
>> To: "Gregory Schott" <[log in to unmask]>
>> Cc: "abh" <[log in to unmask]>; "Peter Elmer" <[log in to unmask]>; 
>> <[log in to unmask]>
>> Sent: Wednesday, March 30, 2005 5:50 PM
>> Subject: Re: xrootd meeting - Tuesday 29 March, 2005
>>
>>
>>>
>>> Hello Gregory
>>>
>>> Does it work to write to root://f01-001-124:1094////tmp/dummy.root ?
>>> I just installed your version and I also see that I can't write to 
>>> xrootd
>>> except /tmp. Even in this case the message,
>>> Error accessing path/file for root://datadevsol01:2094////tmp/trds.test
>>> is printed but the file is actually transfered.
>>>
>>> Could you install a newer version of xrootd? I see that you are using 
>>> the
>>> version 20040907-0403 which is quite old. The best would be to use the
>>> version 20050328-0656.
>>>
>>> Cheers,
>>>  Wilko
>>>
>>>
>>>
>>>
>>>
>>> On Thu, 31 Mar 2005, Gregory Schott wrote:
>>>
>>>> Hello Andy,
>>>>
>>>>    About my writing problem...
>>>>
>>>>    I got confused and probably got you confused too but I don't want 
>>>> (and
>>>> need) this machine to be managed by the redirector. I had however
>>>> forgotten to comment the odc.manager option.
>>>>
>>>> ==
>>>>
>>>>    My config file is then the following (I believe it is a config file 
>>>> problem):
>>>>
>>>> # dataserver.cf
>>>> #
>>>> oss.alloc * * 80
>>>> oss.fdlimit * max
>>>> oss.localroot /home/xrootd/disk/kanga/EventStore/
>>>> #oss.path /home/xrootd/disk/kanga/EventStore/ writable
>>>>
>>>> xrd.protocol xrootd *
>>>>
>>>> xrootd.export /prod
>>>> xrootd.export /store
>>>> xrootd.fslib /home/xrootd/software/current/lib/libXrdOfs.so
>>>>
>>>> odc.trace redirect
>>>> olb.trace all
>>>> oss.trace all
>>>> xrd.trace all
>>>> xrootd.trace all
>>>>
>>>> ==
>>>>
>>>>    The error message I get with xrdcp is:
>>>>
>>>> Error accessing path/file for root://f01-001-124:1094//prod/dummy.root
>>>>
>>>> PS: I can actually read the file if I xrdcp the other way around so the
>>>> path is accessible for read. According to the documentation the default 
>>>> is
>>>> write allowed (except if I use oss.readonly). The unix directory rights
>>>> also allow xrootd to write there.
>>>>
>>>> ==
>>>>
>>>>    And in the (verbose) log file is:
>>>>
>>>> 050331 01:51:45 15028 Exporting /store
>>>> 050331 01:51:45 15028 Exporting /prod
>>>> 050331 01:51:45 15028 XRootd protocol version 2.2.0 build 20040907-0403 
>>>> successfully loaded.
>>>> 050331 01:51:45 15028 xrd@f01-001-124:1094 initialization completed.
>>>> 050331 01:51:45 15028 XrdMain: thread 10251 assigned to user handler
>>>> 050331 01:52:14 15042 XrdNet: Accepted tcp connection from 
>>>> l01-001-122.gridka.de
>>>> 050331 01:52:14 15042 ?:[log in to unmask] XrdUser: connection 
>>>> accepted
>>>> 050331 01:52:14 15035 XrdSched: new worker; tid=11276; num=2
>>>> 050331 01:52:14 15035 XrdSched: running [log in to unmask] inq=0
>>>> 050331 01:52:14 15035 XrdProtocol: matched protocol xrootd
>>>> 050331 01:52:14 15035 ?:[log in to unmask] XrdPoll: FD 13 
>>>> attached to poller 0; num=1
>>>> 050331 01:52:14 15035 ?:[log in to unmask] XrootdProtocol: 0000 
>>>> req=3007 dlen=0
>>>> 050331 01:52:14 15035 xrootd.12395:[log in to unmask] 
>>>> XrootdResponse: 0000 sending OK
>>>> 050331 01:52:14 15035 XrootdXeq: User logged in as 
>>>> xrootd.12395:[log in to unmask]
>>>> 050331 01:52:14 15035 xrootd.12395:[log in to unmask] 
>>>> XrootdProtocol: 0000 req=3010 dlen=16
>>>> 050331 01:52:14 15035 ofs_open: xrootd.12395:[log in to unmask] 
>>>> Unable to create /prod/dummy.root; No such file or directory
>>>> 050331 01:52:14 15035 xrootd.12395:[log in to unmask] 
>>>> XrootdResponse: 0000 sending err 3011: Unable to create 
>>>> /prod/dummy.root; No such file or directory
>>>> 050331 01:52:14 15035 xrootd.12395:[log in to unmask] XrdPoll: 
>>>> sending poller 0 detach for link 13
>>>> 050331 01:52:14 15036 XrdPoll: Poller 0 detached fd 13 entry 1 now at 1
>>>> 050331 01:52:14 15035 xrootd.12395:[log in to unmask] XrdPoll: FD 
>>>> 13 detached from poller 0; num=0
>>>> 050331 01:52:14 15035 XrdLink: xrootd.12395:[log in to unmask] 
>>>> disconnected after 0:00:00
>>>>
>>>>
>>>> -- Gregory
>>>>
>>>>
>>>>
>>>> On Tue, 29 Mar 2005, abh wrote:
>>>>
>>>> >> 050329 19:08:51 6914 odc_Open: Unable to connect socket
>>>> >> /tmp/.olb/olbd.admin; connection refused
>>>> > Is teh log truncated or did this connection succeed?
>>>> >
>>>> >
>>>> >> bash-2.05a$ cat config/dataserver.cf
>>>> >> odc.manager babar2 3121
>>>> > Probably doesn't make a difference but one should expand this out >
>>>> completely
>>>> > with the domain name.
>>>> >
>>>> >> #olb.subscribe babar2 3121
>>>> > Same thing about expansion. However, why is this commented out? With 
>>>> > a
>>>> > sunscribe entry, no data server will particpate in the setup. So, 
>>>> > this >
>>>> system
>>>> > should not work (in fact it should complain and the olbd should exit 
>>>> > on the
>>>> > adat servers).
>>>>
>>>
>>
> 



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