wiki:developers-meeting-20160517
Last modified 3 years ago Last modified on 05/17/16 15:04:09

dCache Tier I meeting May 17, 2016

[part of a series of meetings]

Present

dCache.org(Tigran, Paul), IN2P3(), Sara(), Triumf(), BNL(), NDGF(), PIC(Marc), KIT(Xavier), Fermi(), CERN()

Agenda

(see box on the other side)

Site reports

PIC

Things are going OK for the last week.

Pool

Ticket stack trace on pool log. Gerd mentioned -- really huge activity from CMS, could see the pools in red column.

Planning to switch pool metadata to use the system disk; this has RAID-1 system disks.

Xavier mentioned that the disadvantage

NFS

RT ticket about the NFS v4 delays -- Tigran is working on this just now, and will update the ticket.

In the past, we had longer timeout. Now have very short timeout in pool (100ms) and return DELAY. The client will retry, but the pool will log the DELAY.

PIC is running dCache v2.13.28.

Tigran will take another look.

Asking about SRM

Paul explained

BDII

Publishing system:

Maria Labdas At Lisbon WLCG-workshop, don't need the BDII any more.

KIT

dCache is working just fine for the past few weeks.

Remove tags

Tigran had a question: answer --> sub-tree delete of tag.

Support tickets for discussion

[Items are added here automagically]

DTNM

Same time, next week.