 |
 |
I agree I have similar lines but we don't run CMS. It does that for all repos Feb 26 09:08:21 wn1905250 cvmfs2: (clicdp.cern.ch) switching proxy from http://195.194.104.1:3128 to http://195.194.104.2:3128 (reset load-balanced proxies) Feb 26 09:08:21 wn1905250 cvmfs2: (clicdp.cern.ch) switching host from http://cvmfs-stratum-one.cern.ch:8000/cvmfs/clicdp.cern.ch to http://cernvmfs.gridpp.rl.ac.uk:8000/cvmfs/clicdp.cern.ch (reset host) Feb 26 09:08:21 wn1905250 cvmfs2: (clicdp.cern.ch) switching host from http://cernvmfs.gridpp.rl.ac.uk:8000/cvmfs/clicdp.cern.ch to http://cvmfs-stratum-one.cern.ch:8000/cvmfs/clicdp.cern.ch Feb 26 09:10:02 wn1905250 cvmfs2: (sft-nightlies.cern.ch) switching host from http://cvmfs-stratum-one.cern.ch:8000/cvmfs/sft-nightlies.cern.ch to http://cernvmfs.gridpp.rl.ac.uk:8000/cvmfs/sft-nightlies.cern.ch (reset host) Feb 26 09:10:02 wn1905250 cvmfs2: (sft-nightlies.cern.ch) switching host from http://cernvmfs.gridpp.rl.ac.uk:8000/cvmfs/sft-nightlies.cern.ch to http://cvmfs-stratum-one.cern.ch:8000/cvmfs/sft-nightlies.cern.ch Feb 26 09:11:45 wn1905250 cvmfs2: (lhcbdev.cern.ch) switched to catalog revision 732206 Feb 26 09:15:05 wn1905250 cvmfs2: (atlas.cern.ch) switched to catalog revision 60818 Feb 26 09:17:01 wn1905250 cvmfs2: (lhcbdev.cern.ch) switched to catalog revision 732210 Feb 26 09:20:20 wn1905250 cvmfs2: (cms.cern.ch) switched to catalog revision 88926 Feb 26 09:25:01 wn1905250 cvmfs2: (lhcbdev.cern.ch) switching host from http://cvmfs-stratum-one.cern.ch:8000/cvmfs/lhcbdev.cern.ch to http://cernvmfs.gridpp.rl.ac.uk:8000/cvmfs/lhcbdev.cern.ch (reset host) Feb 26 09:25:01 wn1905250 cvmfs2: (lhcbdev.cern.ch) switching host from http://cernvmfs.gridpp.rl.ac.uk:8000/cvmfs/lhcbdev.cern.ch to http://cvmfs-stratum-one.cern.ch:8000/cvmfs/lhcbdev.cern.ch Feb 26 09:26:02 wn1905250 cvmfs2: (lhcbdev.cern.ch) switched to catalog revision 732211 Feb 26 09:31:19 wn1905250 cvmfs2: (lhcbdev.cern.ch) switched to catalog revision 732216 Feb 26 09:36:29 wn1905250 cvmfs2: (lhcbdev.cern.ch) switched to catalog revision 732219 cheers alessandra On 26/02/2020 09:24, Daniel Traynor wrote: > If I look at our some workernodes (which is where the NAT traffic is coming from I see in the logs line like) > > Feb 26 03:01:03 cn201 cvmfs2: (cms-ib.cern.ch) switching host from http://cvmfs-stratum-one.cern.ch/opt/cms-ib to http://cernvmfs.gridpp.rl.ac.uk/opt/cms-ib (reset host) > Feb 26 03:01:03 cn201 cvmfs2: (cms-ib.cern.ch) switching host from http://cernvmfs.gridpp.rl.ac.uk/opt/cms-ib to http://cvmfs-stratum-one.cern.ch/opt/cms-ib > Feb 26 03:03:03 cn201 cvmfs2: (cms-ib.cern.ch) switched to catalog revision 180975 > Feb 26 03:08:05 cn201 cvmfs2: (cms-ib.cern.ch) switched to catalog revision 180977 > Feb 26 03:18:03 cn201 cvmfs2: (cms-ib.cern.ch) switched to catalog revision 180981 > Feb 26 03:23:04 cn201 cvmfs2: (cms-ib.cern.ch) switched to catalog revision 180983 > Feb 26 03:31:04 cn201 cvmfs2: (cms-ib.cern.ch) switching host from http://cvmfs-stratum-one.cern.ch/opt/cms-ib to http://cernvmfs.gridpp.rl.ac.uk/opt/cms-ib (reset host) > Feb 26 03:31:13 cn201 cvmfs2: (cms-ib.cern.ch) switching host from http://cernvmfs.gridpp.rl.ac.uk/opt/cms-ib to http://cvmfs-stratum-one.cern.ch/opt/cms-ib > > Look like it's trying to access RAL then switches back to cern. > > As far as i can tell our non CMS cvmfs traffic is using the local squids (but we don't normally running so much cms work so this might be an exceptional). > > * Dr Daniel Traynor, Grid cluster system manager > * Tel +44(0)20 7882 6560, Particle Physics,QMUL > > > ________________________________________ > From: Testbed Support for GridPP member institutes <[log in to unmask]> on behalf of Alessandra Forti <[log in to unmask]> > Sent: 26 February 2020 09:10 > To: [log in to unmask] > Subject: Re: Frontier squids in the UK > > Hi Dan, > > the problem is not the activity, is that the WNs shouldn't access CERN. The UK is doing so disproportionately. > > [cid:part1.19C41B5F.4722DEFB@cern.ch] > > > On 26/02/2020 09:06, Daniel Traynor wrote: > > At QM we updated to frontier-squid-4.10-2.1.x86_64 on the 14th Feb. Internally I don't see any difference in behaviour/ performance of the squids before or after the update. > > I see both our NATs our listed near the top list but that's probable related to the large amount of CMS we doing at the moment. > > dan > > > * Dr Daniel Traynor, Grid cluster system manager > * Tel +44(0)20 7882 6560, Particle Physics,QMUL > > > ________________________________________ > From: Testbed Support for GridPP member institutes <[log in to unmask]><mailto:[log in to unmask]> on behalf of Alessandra Forti <[log in to unmask]><mailto:[log in to unmask]> > Sent: 26 February 2020 08:15 > To: [log in to unmask]<mailto:[log in to unmask]> > Subject: Frontier squids in the UK > > Hi, > > it seems there is a problem with the UK sites WNs accessing frontier > squid. In particular Manchester, RAL, RALPP and Oxford the others tooo > but they are behind a NAT and not as many nodes appear in the list. > > https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwlcg-squid-monitor.cern.ch%2Fawstats%2Fbin%2Fawstats.pl%3Fconfig%3Dcvmfsbproxy.cern.ch%26databasebreak%3Dday%26day%3D25&data=02%7C01%7C%7Cebdecf99190248c3600a08d7ba941a8f%7C569df091b01340e386eebd9cb9e25814%7C0%7C0%7C637183017572955219&sdata=tri9QzQT0sN%2BJAO1jlmf0X21X3yQ%2Bo%2BTdTnD%2BEVcZhM%3D&reserved=0<https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwlcg-squid-monitor.cern.ch%2Fawstats%2Fbin%2Fawstats.pl%3Fconfig%3Dcvmfsbproxy.cern.ch%26databasebreak%3Dday%26day%3D25&data=02%7C01%7C%7Cd4aa7154bfeb4660e3db08d7ba9bdc21%7C569df091b01340e386eebd9cb9e25814%7C0%7C0%7C637183050884940544&sdata=uUXYXuha6GUG8cn%2FEs2a0Gyx13tQbAKvkG86U%2Fe9oy0%3D&reserved=0> > > you need to filter for ac.uk > > Can I ask what version of squid you are using and if you are using > frontier squid or standard OS squid? > > Frontier changed the baseline from 3.5.28 to 4.10.1-1 two weeks ago > which is not even available on centos8. > > thanks > > cheers > alessandra > > -- > Inference: a conclusion reached on the basis of evidence and reasoning > Respect is a rational process. \\// > For Ur-Fascism, disagreement is treason. (U. Eco) > > ######################################################################## > > To unsubscribe from the TB-SUPPORT list, click the following link: > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jiscmail.ac.uk%2Fcgi-bin%2Fwebadmin%3FSUBED1%3DTB-SUPPORT%26A%3D1&data=02%7C01%7C%7Cebdecf99190248c3600a08d7ba941a8f%7C569df091b01340e386eebd9cb9e25814%7C0%7C0%7C637183017572955219&sdata=F6MgNpBRfiP3GYbzAm09jAy8NP5OJyhbjGR2Qw5Kv9Q%3D&reserved=0<https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jiscmail.ac.uk%2Fcgi-bin%2Fwebadmin%3FSUBED1%3DTB-SUPPORT%26A%3D1&data=02%7C01%7C%7Cd4aa7154bfeb4660e3db08d7ba9bdc21%7C569df091b01340e386eebd9cb9e25814%7C0%7C0%7C637183050884940544&sdata=QHC2ESn4JQC07OiWx7%2BRb%2F1J3EyoC5dWb6ZHJq3tEQ8%3D&reserved=0> > > ######################################################################## > > To unsubscribe from the TB-SUPPORT list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=TB-SUPPORT&A=1<https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jiscmail.ac.uk%2Fcgi-bin%2Fwebadmin%3FSUBED1%3DTB-SUPPORT%26A%3D1&data=02%7C01%7C%7Cd4aa7154bfeb4660e3db08d7ba9bdc21%7C569df091b01340e386eebd9cb9e25814%7C0%7C0%7C637183050884950541&sdata=iOac5TL90beyHsfXcJ39y5Lbc6aNFCHULbN7QTjQ%2BHA%3D&reserved=0> > > > > -- > Inference: a conclusion reached on the basis of evidence and reasoning > Respect is a rational process. \\// > For Ur-Fascism, disagreement is treason. (U. Eco) > > > ________________________________ > > To unsubscribe from the TB-SUPPORT list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=TB-SUPPORT&A=1<https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jiscmail.ac.uk%2Fcgi-bin%2Fwebadmin%3FSUBED1%3DTB-SUPPORT%26A%3D1&data=02%7C01%7C%7Cd4aa7154bfeb4660e3db08d7ba9bdc21%7C569df091b01340e386eebd9cb9e25814%7C0%7C0%7C637183050884960536&sdata=dhNIv9Y9I%2BEXNTlE3B%2Fi%2FYvbzOi7EnhVHFjN%2BJnwtNA%3D&reserved=0> > > ######################################################################## > > To unsubscribe from the TB-SUPPORT list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=TB-SUPPORT&A=1 > -- Inference: a conclusion reached on the basis of evidence and reasoning Respect is a rational process. \\// For Ur-Fascism, disagreement is treason. (U. Eco) ######################################################################## To unsubscribe from the TB-SUPPORT list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=TB-SUPPORT&A=1