Date: Wed, 18 Dec 2019 18:06:31 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: Richard P Mackerras <mack63richard@gmail.com> Cc: Rick Macklem <rmacklem@uoguelph.ca>, "stable@freebsd.org" <stable@freebsd.org> Subject: Re: nfs lockd errors after NetApp software upgrade. Message-ID: <06DD810E-3945-40AD-A1A2-578DF4FB1150@cs.huji.ac.il> In-Reply-To: <CAGfybS-3Rvs57=oGFEfii_9a=aWxPr6dEq1Y1LqHbLXK1ZKmXA@mail.gmail.com> References: <EBC4AD74-EC62-4C67-AB93-1AA91F662AAC@cs.huji.ac.il> <YQBPR0101MB1427411AFE335E869B9CF022DD530@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <0121E289-D2AE-44BA-ADAC-4814CAEE676F@cs.huji.ac.il> <CAGfybS-3Rvs57=oGFEfii_9a=aWxPr6dEq1Y1LqHbLXK1ZKmXA@mail.gmail.com>
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> On 18 Dec 2019, at 17:58, Richard P Mackerras <mack63richard@gmail.com> wrote: > > Hi, > What software version is the NetApp using? the very latest :-), but will try and find out later. > Is the exported volume big? about 500G, but many files as far as I know, only accessed by one host running the web app - moodle. > Is the vserver configured for 64bit identifiers what the issue here? > ? > > If you enable NFS V4.0 or 4.1 other NFS clients using defaults might mount NFSv4.x unexpectedly after a reboot so you need to watch that. > > Cheers > > Richard > (NetApp admin) > > On Wed, 18 Dec 2019 at 15:46, Daniel Braniss <danny@cs.huji.ac.il <mailto:danny@cs.huji.ac.il>> wrote: > > > > On 18 Dec 2019, at 16:55, Rick Macklem <rmacklem@uoguelph.ca <mailto:rmacklem@uoguelph.ca>> wrote: > > > > Daniel Braniss wrote: > > > >> Hi, > >> The server with the problems is running FreeBSD 11.1 stable, it was working fine for >several months, > >> but after a software upgrade of our NetAPP server it’s reporting many lockd errors >and becomes catatonic, > >> ... > >> Dec 18 13:11:02 moo-09 kernel: nfs server fr-06:/web/www: lockd not responding > >> Dec 18 13:11:45 moo-09 last message repeated 7 times > >> Dec 18 13:12:55 moo-09 last message repeated 8 times > >> Dec 18 13:13:10 moo-09 kernel: nfs server fr-06:/web/www: lockd is alive again > >> Dec 18 13:13:10 moo-09 last message repeated 8 times > >> Dec 18 13:13:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue >overflow: 194 already in queue awaiting acceptance (1 occurrences) > >> Dec 18 13:14:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue >overflow: 193 already in queue awaiting acceptance (3957 occurrences) > >> Dec 18 13:15:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue >overflow: 193 already in queue awaiting acceptance … > > Seems like their software upgrade didn't improve handling of NLM RPCs? > > Appears to be handling RPCs slowly and/or intermittently. Note that no one > > tests it with IPv6, so at least make sure you are still using IPv4 for the mounts and > > try and make sure IP broadcast works between client and Netapp. I think the NLM > > and NSM (rpc.statd) still use IP broadcast sometimes. > > > we are ipv4 - we have our own class c :-) > > Maybe the network guys can suggest more w.r.t. why, but as I've stated before, > > the NLM is a fundamentally broken protocol which was never published by Sun, > > so I suggest you avoid using it if at all possible. > well, at the moment the ball is on NetAPP court, and switching to NFSv4 at the moment is out of the question, it’s > a production server used by several thousand students. > > > > > - If the locks don't need to be seen by other clients, you can just use the "nolockd" > > mount option. > > or > > - If locks need to be seen by other clients, try NFSv4 mounts. Netapp filers > > should support NFSv4.1, which is a much better protocol that NFSv4.0. > > > > Good luck with it, rick > thanks > danny > > > … > > any ideas? > > > > thanks, > > danny > > > > _______________________________________________ > > freebsd-stable@freebsd.org <mailto:freebsd-stable@freebsd.org> mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-stable <https://lists.freebsd.org/mailman/listinfo/freebsd-stable>; > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org <mailto:freebsd-stable-unsubscribe@freebsd.org>" > > _______________________________________________ > freebsd-stable@freebsd.org <mailto:freebsd-stable@freebsd.org> mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable <https://lists.freebsd.org/mailman/listinfo/freebsd-stable>; > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org <mailto:freebsd-stable-unsubscribe@freebsd.org>"help
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