On 19 Feb 2013, at 15:30, Wahid Bhimji wrote:
> Hi
>
> On 19 Feb 2013, at 15:25, Duncan Rand <[log in to unmask]> wrote:
>
>> Hi Emyr
>>
>> Looking at the sonar results your inbound results are poor:
>>
>> http://bourricot.cern.ch/dq2/ftsmon/channel_view/UKI-LT2-QMUL_DATADISK/UKI-SOUTHGRID-SUSX_DATADISK/2012-11-12/2013-02-19/6/1/
>>
>> whilst outbound results are excellent:
>>
>> http://bourricot.cern.ch/dq2/ftsmon/channel_view/UKI-SOUTHGRID-SUSX_DATADISK/UKI-LT2-QMUL_DATADISK/2012-11-12/2013-02-19/6/1/
>>
>> This helps explain what we see on Steve's network page where rates into your SE are poor:
>>
>> http://pprc.qmul.ac.uk/~lloyd/gridpp/nettest.html
>>
>> Perhaps the poor outbound rates from your WN are related to going though a NAT host?
>
> Do you mean WN?
> These are transfers outbound from the disk servers I think - but the point is still valid.
>
Taking
http://pprc.qmul.ac.uk/~lloyd/gridpp/results/nettest_UKI-SOUTHGRID-SUSX_1.html
http://pprc.qmul.ac.uk/~lloyd/gridpp/jobresult.php?id=lloyd_IjHIXGdHafT4rhoO3acVgQ&dir=19_Feb_2013&file=NetworkTest.out
as an example, it looks to me like the job is running on the Sussex WN and copying to ECDF:
Filename data_1000mb
Copy to srm.glite.ecdf.ed.ac.uk:
lcg-cr -v -t 320 --vo atlas -d srm.glite.ecdf.ed.ac.uk -l lfn:/grid/atlas/users/lloyd/data_1000mb_19_Feb_2013_09_14_17 file:/mnt/lustre/grid/users/atlas248/home_cream_808832779/CREAM808832779/data_1000mb
guid:4cabb774-3a17-4a7b-a3f6-a54bab779159
Warning: -t,--timeout is deprecated! Use --timeout-* options instead
Using grid catalog type: lfc
Using grid catalog : prod-lfc-atlas.cern.ch
Checksum type: None
SE type: SRMv2
Destination SURL : srm://srm.glite.ecdf.ed.ac.uk/dpm/ecdf.ed.ac.uk/home/atlas/generated/2013-02-19/file52f3c0df-35cc-4ad2-bb8d-69ff03565385
Source SRM Request Token: e4778e07-e1f1-468a-aebc-86a34ebbe67e
Source URL: file:/mnt/lustre/grid/users/atlas248/home_cream_808832779/CREAM808832779/data_1000mb
File size: 1048576000
VO name: atlas
Destination specified: srm.glite.ecdf.ed.ac.uk
Destination URL for copy: gsiftp://pool4.glite.ecdf.ed.ac.uk/pool4.glite.ecdf.ed.ac.uk:/mnt/gridstorage04/atlas/2013-02-19/file52f3c0df-35cc-4ad2-bb8d-69ff03565385.47780842.0
# streams: 1
0 bytes 0.00 KB/sec avg 0.00 KB/sec inst
1048576 bytes 1108.34 KB/sec avg 1108.34 KB/sec inst
1048576 bytes 1108.34 KB/sec avg 1108.34 KB/sec inst
8388608 bytes 3857.05 KB/sec avg 5973.33 KB/sec inst
11534336 bytes 3493.90 KB/sec avg 2792.73 KB/sec inst
15728640 bytes 3636.45 KB/sec avg 4096.00 KB/sec inst
Duncan
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