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TB-SUPPORT  September 2018

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Subject:

Tickets for the 4th of September

From:

Matt Doidge <[log in to unmask]>

Reply-To:

Testbed Support for GridPP member institutes <[log in to unmask]>

Date:

Mon, 3 Sep 2018 17:14:47 +0100

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (253 lines)

Hello all,
If you mark your seasons meteorologically then Summer is over, and 
Autumn is upon us (I prefer the Astronomical reckoning myself). But at 
least many of us got to enjoy some the Ambleside sunshine last week.

It's the first Monday of the month so I'll be going over all the 
tickets. Are you ready? There's a lot of them.

47 Open UK Tickets this month.

SUSSEX
https://ggus.eu/?mode=ticket_info&ticket_id=131617 (3/11/17)
The site's IPv6 ticket. Good news from Leo today, with all external 
services dual-stacked (the perfsonar just needs adding to the mesh). 
Nice one! Waiting for reply (3/9)

RALPP
https://ggus.eu/?mode=ticket_info&ticket_id=136958 (30/8)
t2k had their replications to ralpp timing out, but Chris noticed that 
they've run out of space. He's kindly trying to free them up a bit more 
room. In progress (31/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136927 (29/8)
CMS transfer failures, which look to be due to a bad file. It's been 
invalidated and a proper replica moved to the site. This should be just 
about done with? In progress (30/8)

https://ggus.eu/?mode=ticket_info&ticket_id=131616 (3/11/17)
RALPP v6 ticket. Any updates? In progress (16/1)

OXFORD
https://ggus.eu/?mode=ticket_info&ticket_id=131615 (3/11/17)
Oxford's v6 ticket. Last update was July, I suspect there's been no 
progress over the summer. On hold (13/7)

https://ggus.eu/?mode=ticket_info&ticket_id=136687 (13/8)
A bit of an odd LHCB FTS ticket as it's intended to mirror the issure 
for a site rather then track an issue at a site. From my understanding 
these are known issues with third party http transfers? In progress (17/8)

CAMBRIDGE
https://ggus.eu/?mode=ticket_info&ticket_id=131614 (3/11/17)
Cambridge's v6 ticket. Last update was back in June, any more news on 
the move to a new address block? On hold (5/6)

BRISTOL
https://ggus.eu/?mode=ticket_info&ticket_id=131613 (3/11/17)
And Bristol's v6 ticket. Winnie's kept us appraised of the situation 
back in July. On hold (16/7)

BIRMINGHAM
https://ggus.eu/?mode=ticket_info&ticket_id=129930 (4/8/17)
The http ticket that kind of tracks the move to EOS now. I do wonder if 
it's worth keeping this ticket around much anymore, as there's an epic 
Jira ticket charting the migration. On hold (14/8)

https://ggus.eu/?mode=ticket_info&ticket_id=131612 (3/11/17)
The Birmingham v6 ticket. Mark gave some not great news last month. 
Andrea has asked to turn up the pressure. Maybe we can help? On hold (27/8)

GLASGOW
https://ggus.eu/?mode=ticket_info&ticket_id=134689 (23/4)
Request to upgrade perfsonar to C7. Perfsonar 4.1 is out now if you feel 
like revisiting this. On hold (14/8)

https://ggus.eu/?mode=ticket_info&ticket_id=131611 (3/11/17)
Glasgow's v6 ticket. Any new (aspirational) plans that need to go into 
the ticket? On hold (26/2)

ECDF
https://ggus.eu/?mode=ticket_info&ticket_id=131610 (3/11/17)
Just the old v6 ticket at ECDF. Any news since your misadventures back 
in May? On hold (28/5)

DURHAM
https://ggus.eu/?mode=ticket_info&ticket_id=136909 (28/8)
Atlas deletion error ticket. The Durham guys are just back in the office 
and poking the ticket. In progress (3/9)

https://ggus.eu/?mode=ticket_info&ticket_id=134687 (23/4)
The other outstanding request to upgrade the perfsonar host. In progress 
(14/8)

https://ggus.eu/?mode=ticket_info&ticket_id=131609 (3/11/17)
Durham's v6 ticket. From the feel of the July update I'm going to hazard 
a guess that there's not been any recent progress. In progress (should 
be On Hold?) (10/7)

SHEFFIELD
https://ggus.eu/?mode=ticket_info&ticket_id=136014 (10/7)
Atlas transfer errors, evolved to problems with the error message "job 
has been canceled because it stayed in the queue for too long". As this 
an FTS side error? Perhaps the SE is simply being overworked? In 
progress (30/8)

https://ggus.eu/?mode=ticket_info&ticket_id=131608 (3/11/17)
Sheffield's v6 ticket. How goes the work that was supposed to resume in 
July? On hold (10/7)

MANCHESTER
https://ggus.eu/?mode=ticket_info&ticket_id=136976 (1/9)
A fresh atlas transfer error ticket. Robert found that their DPM's mysql 
database wasn't responding, but a restart should have fixed it (and 
indeed a peek at the monitoring shows this to be the case). In progress 
(1/9)

https://ggus.eu/?mode=ticket_info&ticket_id=131607 (3/11/17)
Manchester's v6 ticket. Any news on this since the April update? On hold 
(24/4)

LIVERPOOL
https://ggus.eu/?mode=ticket_info&ticket_id=131606 (3/11/17)
Just the v6 ticket at Liverpool. Any news since the June update? In 
progress (4/6)

LANCASTER
https://ggus.eu/?mode=ticket_info&ticket_id=136793 (20/8)
A ticket from snoplus as the Lancaster SE wasn't in the cern bdii. It 
looks like none of the Lancaster resources are in the cern bdii, even 
though other top bdiis know about this. A bit of a head scratcher. Has 
anyone else been "censored" (or censured) by the CERN bdii? In progress 
(3/9)

https://ggus.eu/?mode=ticket_info&ticket_id=136635 (9/8)
A low availability ticket, not too far off being able to close it. On 
hold (9/8)

UCL
https://ggus.eu/?mode=ticket_info&ticket_id=134686 (23/4)
Request to upgrade perfsonar. No news since the ticket was acknowledged. 
On hold (23/4)

https://ggus.eu/?mode=ticket_info&ticket_id=131604 (3/11/17)
UCL's v6 ticket. There was a re-poking of the network team back in May 
but no news since. On hold (4/5)

RHUL
https://ggus.eu/?mode=ticket_info&ticket_id=131603 (3/11/17)
Just the v6 ticket at Royal Holloway. How's it going? It looks like lack 
of v6 DNS was the problem here again. In progress (perhaps should be On 
Hold?) (6/2)

QMUL
https://ggus.eu/?mode=ticket_info&ticket_id=136719 (15/8)
LHCB having file access problems (again?). Daniel thought it might be 
the SE misbehaving under load that's causing the problems. There was 
some testing, but I'm not sure of the conclusion. Waiting for reply (23/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136550 (4/8)
t2k having file access problems, with the root cause being the top bdii 
they were using being broken (sounds similar to what Lancaster has been 
seeing). It looks like the problem has gone away here though, so I think 
this ticket can be closed. In progress (14/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136714 (14/8)
The same t2k user having problems reliably copying files, but again this 
issue seems fixed. In progress (15/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136918 (28/8)
t2k not noticing downtime notices. It looks like this ticket can be 
closed too. In progress (3/9)

https://ggus.eu/?mode=ticket_info&ticket_id=136178 (17/7)
It's a seemingly solved t2k ticket at Queen Mary that hasn't been closed 
by the user. You don't see many of those around. In progress (14/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136712 (14/8)
LHCB noticed they weren't running (many) jobs at QM. Dan explained why 
(all very reasonable). It looks to me this ticket is resolved. In 
progress (14/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136576 (6/8)
A low-availability ROD ticket after the cooling troubles. The A/R 
numbers are almost up to par. On hold (6/8)

https://ggus.eu/?mode=ticket_info&ticket_id=132929 (18/1)
APEL accounting for slurm ticket. Dan has been working on this, and has 
spread the new accounting scripts around his CEs and APEL box. In 
progress (3/9)

https://ggus.eu/?mode=ticket_info&ticket_id=134573 (17/4)
Request from CMS to install singularity. Dan has it on his to do list, 
is the move to C7 still planned for the end of the Summer (i.e. 
soonish)? On hold (17/4)

BRUNEL
https://ggus.eu/?mode=ticket_info&ticket_id=136806 (21/8)
CMS jobs having problems at Brunel. There was an interesting case where 
WNs lost v4 connectivty whilst maintaining v6 and this were still able 
to get jobs, but the root cause looks to be problems with the xroot 
fallback mechanism. I think this might be above the site's metaphorical 
paygrade. In progress (31/8)

https://ggus.eu/?mode=ticket_info&ticket_id=133956 (9/3)
A CMS ticket to reconfigure the site's xrootd configs. Postponed due to 
waiting on a move to C7/DOME. Have you made any progress with this? FYI 
we're planning on turning DOME on at Lancaster soonish. In progress (3/7)

TIER 1
https://ggus.eu/?mode=ticket_info&ticket_id=136884 (27/8)
lcg-cr not working for t2k, an lfc ticket that's been ported over to RAL 
as it looks like their database is corrupted. In progress (29/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136840 (23/8)
A Sno+ ticket, which looks to be related to the LFC issues. In progress 
(29/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136942 (29/8)
t2k noticing timeouts copying ONLINE_AND_NEARLINE files at RAL. After 
investigation it lead to the RALPP ticket above, and this ticket was 
left unclosed. In progress (can be closed) (30/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136701 (14/8)
LHCB would like to investigate the high background failure rate of jobs 
transferring their data out at RAL. A lot of back and forth on the 
ticket. Waiting for reply (3/9)

https://ggus.eu/?mode=ticket_info&ticket_id=136967 (31/8)
CMS Phedex transfers from RAL to FNAL failing. Checking on it has been 
passed to the ECHO team. In progress (31/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136366 (25/7)
Removing MICE from the batch queues. It looks like submission has been 
successfully disabled. In progress (20/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136757 (17/8)
MICE VO voms configs missing from the LFC. This looks to be fixed 
(although the suspected database problems might interfere with stuff). 
In progress (21/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136028 (10/7)
CMS have issues reading files on ECHO, which looks to be a xroot problem 
(I couldn't follow the ticket). Chris B has put a lot of effort into 
this, and Brian Bockelman is roped into the ticket now. In progress (29/8)

https://ggus.eu/?mode=ticket_info&ticket_id=136199 (18/7)
An LHCB ticket to the FTS team, progress on the ticket stalled nearly a 
month ago (have people been on holiday?). In progress (7/8)

https://ggus.eu/?mode=ticket_info&ticket_id=124876 (17/11/16)
Getting ECHO gridftp ROD tests working. Things were looking quite good, 
but it looks like the ticket is waiting on a WN config change to be 
rolled out at RAL still? The tests are still broken. In progress (23/7)

And that's all the tickets. Phew!

Cheers all,
Matt

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