OK, but on Bari's redirector you still have an issue reaching 64 limit,
no? Besides this... Won't you tackle former problem first?
-Marian
On 8/26/15 2:43 PM, Tommaso Boccali wrote:
> ciao, another piece of info which might be interesting:
>
> I was looking into the bari eu redir, which uses xrootd
>
> xrootd-4.1.1-1.el5
>
> the cmsd.log has TONS of messages like
>
> 150826 05:18:00 30442 XrdInet: Accepted connection from
> [log in to unmask]
> <mailto:[log in to unmask]>
> 150826 05:18:00 30442 ?:[log in to unmask]
> <mailto:[log in to unmask]> XrdPoll: FD 90 attached to
> poller 0; num=23
> 150826 05:18:00 30442 Pup: buffer overrun unpacking short arg 0: ident.
> 150826 05:18:00 30442 Login: fw-nat-inside-outside.gridka.de
> <http://fw-nat-inside-outside.gridka.de> login failed; invalid login data
> 150826 05:18:00 30442 ?:[log in to unmask]
> <mailto:[log in to unmask]> XrdPoll: FD 90 detached from
> poller 0; num=22
>
> from many servers, most from FNAL
>
> 150826 21:41:28 3396 Login: cmswn2148.fnal.gov
> <http://cmswn2148.fnal.gov> login failed; invalid login data
> 150826 21:41:28 3436 Login: cmswn2146.fnal.gov
> <http://cmswn2146.fnal.gov> login failed; invalid login data
> 150826 21:41:35 3461 Login: cmswn2131.fnal.gov
> <http://cmswn2131.fnal.gov> login failed; invalid login data
> 150826 21:41:36 2475 Login: cmswn2158.fnal.gov
> <http://cmswn2158.fnal.gov> login failed; invalid login data
> 150826 21:41:40 3461 Login: cmswn2150.fnal.gov
> <http://cmswn2150.fnal.gov> login failed; invalid login data
> 150826 21:41:45 3458 Login: cmswn2160.fnal.gov
> <http://cmswn2160.fnal.gov> login failed; invalid login data
> 150826 21:41:47 3396 Login: cmswn2131.fnal.gov
> <http://cmswn2131.fnal.gov> login failed; invalid login data
> 150826 21:41:50 3461 Login: cmswn2140.fnal.gov
> <http://cmswn2140.fnal.gov> login failed; invalid login data
> 150826 21:41:56 3458 Login: cmswn2147.fnal.gov
> <http://cmswn2147.fnal.gov> login failed; invalid login data
>
> apparently, we did not notice since 4.1.1-1 does not crash as 4.2.2, but
> moves along ...
>
> tom
>
> On Tue, Aug 25, 2015 at 9:07 PM, Marian Zvada <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
> On 8/25/15 11:58 AM, Tommaso Boccali wrote:
>
> Well, but: isn't th global redir only subscribed by regional
> redirs (so
> not many)?
>
>
> you're right, I neglected this fact (outsmarted myself ;))...
>
> Probably eu redirs are the most connected, with close to 64 cmsd
> entering... It s just normal we saw the problem there.
>
>
> ok, this is alarming and we should revise current setup and
> introduce more redirectors if needed in EU. Btw, I recently talked
> with Andy about this - it looks much more promising way to handle 64
> limits - to think about supervisors:
>
> http://xrootd.org/doc/dev42/cms_config.htm#_Toc405927050
>
> I'm going to do this in transitional federation where there is one
> global redirector for all T3s and then those subscribers who will be
> kicked off from production federation and subscribed there instead.
>
> -Marian
>
> Ifca said it has 336-1, which is fairly common. I guess it
> cannot be due
> to (just) the release....
>
> Andy, did you understand the source of the bad Iogin data? Is it
> worth
> trying and debugging it?
>
> Tom
>
> Il 25/ago/2015 06:21 PM, "Jan Iven" <[log in to unmask]
> <mailto:[log in to unmask]>
> <mailto:[log in to unmask] <mailto:[log in to unmask]>>> ha scritto:
>
> On 08/25/2015 05:56 PM, Marian Zvada wrote:
>
> Hi Tom,
>
> [..]
>
> yeah, that is my guess too, but then we have global
> redirectors
> at CERN
> running 4.2.2 dealing with hell lot of cmsd
> subscriptions so I'd
> expect
> some visible trouble there as well. So maybe we're
> lucky there
> too so
> far... (I believe that autorestart of cmsd if it
> crashes is disabled
> there, Jan?)
>
>
> No, the CMS global redirectors are on CC7, and will
> auto-restart
> cmsd on "unclean" exit (Restart=on-abort). I hope that
> SEGV counts
> as such...
>
> Not sure whether we'd even notice the occasional restart,
> unless
> another tool (abrt) picks this up.
>
> Cheers
> jan
>
>
>
>
> --
> Tommaso Boccali
> INFN Pisa
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