WLCG DOMA BDT Meeting
Wednesday 21 Sept 2022, 16:30
→
17:30
Europe/Zurich
Brian Paul Bockelman
(
University of Wisconsin Madison (US)
)
,
Maria Arsuaga Rios
(
CERN
)
,
Petr Vokac
(
Czech Technical University in Prague (CZ)
)
Description
Topic: WLCG DOMA BDT Meeting (
twiki
)
Videoconference
WLCG DOMA BDT Meeting
Please log in
Zoom Meeting ID
69074333781
Host
Petr Vokac
Useful links
Join via phone
Zoom URL
16:30
→
16:35
News
5m
16:35
→
16:50
Packet marking
15m
Minutes
Speakers
:
Marian Babik
(
CERN
)
,
Shawn Mc Kee
(
University of Michigan (US)
)
Flow lifecycle
Tickets created for the developments needed in the data management and transfer systems to propagate flow identifier to the storages
Rucio, FTS/GFAL2 tickets
https://github.com/rucio/rucio/issues/5856
https://its.cern.ch/jira/browse/FTS-1829
https://its.cern.ch/jira/browse/DMC-1344
Storages
dCache update
Flowd
Netlink support
Packet marking backends (eBPF-TC)
UDP listener plugin (fireflies forwarding)
Prometheus backend (exposing flows+netlink+exp/activity)
All changes in testing, I will merge to scitags repo once done
Working on SC22 demo (packet marking with xrootd/flowd via eBPF and accounting using P4 switch on LHCONE)
16:50
→
17:05
Transfers with tokens
15m
Minutes
Speaker
:
Francesco Giacomini
(
INFN CNAF
)
WLCG SAM/ETF storage tests with tokens
Plan? Include WLCG JWT storage compliance tests as suggested by CMS?
rely on higher level tools like gfal2
to be presented next BDT meeting
Tokens with xroot protocol
20m
xrootd-token-update-aug-2022.pdf
xrootd-token-update-aug-2022.pptx
17:05
→
17:20
Tape REST access
15m
Minutes
Speaker
:
Mihai PATRASCOIU
(
CERN
)
FTS tests status with TAPE REST API
No news from FTS
dCache volunteers for early adoption of TAPE REST in production?
basically T1 site that could provide dCache 8.2 in ~ Q1 2023
17:20
→
17:30
AOB
10m
Minutes
FTS_IPv6_Monitoring.pdf
HTTP-TPC standard evolution
Where is the official repository for this standard?
original document with
HTTP / WebDAV Third-Party-Copy Technical Details
github repo with a
draft of HTTP Third Party Transfer standard
What is the way to request new feature?
Process to agree on mandatory / optional features?
Pass HTTP-TPC transfer info via TransferHeader mechanism
Versioning / list of supported functions?
Create simple twiki page with basic instructions
include reference to the current HTTP-TPC standard "1.0"
list of suggestions for new extensions
target standard version if we agree to implement given feature, timeline(?)
include rejected proposals with description
Presentation on FTS & (HTTP-TPC) IPv6 Monitoring
(slides attached)