Date: Wed, 2 Jul 2014 18:40:20 -0400 (EDT) From: Rick Macklem <rmacklem@uoguelph.ca> To: Bob Healey <healer@rpi.edu> Cc: Adrian Chadd <adrian@freebsd.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: Interactions with mxge, pf, nfsd, and the kernel Message-ID: <679672583.6576356.1404340820105.JavaMail.root@uoguelph.ca> In-Reply-To: <53B43D90.6000700@rpi.edu>
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Bob Healey wrote: > At the moment, I am running as patched as freebsd-update made me on > 6/12/14 > > Bob Healey > Systems Administrator > Biocomputation and Bioinformatics Constellation > and Molecularium > healer@rpi.edu > (518) 276-4407 > > On 7/2/2014 12:59 PM, Adrian Chadd wrote: > > Hi, > > > > I vaguely recall some pf issues that caused the state table to not > > get > > flushed and things to get stuck. I think it fixed post 10.0-REL. > > > > Maybe update to 10-STABLE and see? > > > > > > -a > > > > > > On 2 July 2014 08:11, Bob Healey <healer@rpi.edu> wrote: > >> Hello. > >> > >> I've been wrestling with this on and off for a few months now. I > >> have an > >> assortment of systems (some Dell Poweredge R515, R610, and IBM > >> x3630M3) with > >> 10 gig Myricom ethernet cards acting as nfs servers to Linux HPC > >> compute > >> clusters (12-36 nodes, 384 - 480 cores) connected via gigabit > >> ethernet. > >> They are also connected to the outside world via onboard bce > >> (Dell) or igb > >> (IBM). After a variable length of time, I will lose all network > >> access to a > >> host. Connecting via console, the machine tends to be fully > >> responsive. A > >> reboot clears the problem, but I have yet to figure out any > >> sysctls/loader.conf tunables to clear the problem and make it stay > >> away. PF > >> is in use to restrict access to the host to a pair of public > >> /24's, and to > >> 10/8. If there is a way in zfs's sharenfs property to make that > >> restriction, I'd be happy to change, but I really don't like > >> leaving nfs > >> open to the university's quartet of /16's, so PF it is. You can specify pretty well any subnet for lines in /etc/exports. You can export the file systems via /etc/exports. (I'm not a zfs guy, but my understanding is that zfs sharenfs just generates lines for the exports file.) rick > >> The vlan2 > >> interface > >> has mxge0 as its parent. > >> > >> Thanks for any help. > >> > >> This host is getting ready to crash soon, based on netstat. > >> root@husker:~ # netstat -i > >> Name Mtu Network Address Ipkts Ierrs Idrop > >> Opkts Oerrs > >> Coll > >> mxge0 9000 <Link#1> 00:60:dd:44:d2:0a 6358280 262 0 > >> 4061637 0 > >> 0 > >> mxge0 9000 fe80::260:ddf fe80::260:ddff:fe 0 - - > >> 2 - > >> - > >> bce0 1500 <Link#2> 08:9e:01:50:a1:ac 276391 0 0 > >> 0 0 > >> 0 > >> bce0 1500 fe80::a9e:1ff fe80::a9e:1ff:fe5 0 - - > >> 3 - > >> - > >> bce1 1500 <Link#3> 08:9e:01:50:a1:ad 2229709391 16921 0 > >> 1182942116 0 0 > >> bce1 1500 128.113.12.0 husker 2226254093 - - > >> 1183962005 - - > >> bce1 1500 fe80::a9e:1ff fe80::a9e:1ff:fe5 0 - - > >> 3 - > >> - > >> lo0 16384 <Link#4> 2030 0 0 > >> 2030 0 > >> 0 > >> lo0 16384 localhost ::1 4 - - > >> 4 - > >> - > >> lo0 16384 fe80::1%lo0 fe80::1 0 - - > >> 0 - > >> - > >> lo0 16384 your-net localhost 2026 - - > >> 2026 - > >> - > >> vlan2 9000 <Link#5> 00:60:dd:44:d2:0a 4387250 0 0 > >> 3060586 0 > >> 0 > >> vlan2 9000 10.2.3.0 husker.galactica. 4370309 - - > >> 3963931 > >> - - > >> vlan2 9000 fe80::260:ddf fe80::260:ddff:fe 0 - - > >> 2 - > >> - > >> vlan2 9000 <Link#6> 00:60:dd:44:d2:0a 1971034 0 0 > >> 1001061 0 > >> 0 > >> vlan2 9000 10.2.4.0 husker.enterprise 1700742 - - > >> 1961891 > >> - - > >> vlan2 9000 fe80::260:ddf fe80::260:ddff:fe 0 - - > >> 4 - > >> - > >> root@husker:~ # netstat -im > >> 6157/3233/9390 mbufs in use (current/cache/total) > >> 4081/1883/5964/1018800 mbuf clusters in use > >> (current/cache/total/max) > >> 4080/795 mbuf+clusters out of packet secondary zone in use > >> (current/cache) > >> 0/5/5/509399 4k (page size) jumbo clusters in use > >> (current/cache/total/max) > >> 512/23/535/150933 9k jumbo clusters in use > >> (current/cache/total/max) > >> 0/0/0/84899 16k jumbo clusters in use (current/cache/total/max) > >> 14309K/4801K/19110K bytes allocated to network > >> (current/cache/total) > >> 10/1883/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) > >> 0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters) > >> 0/0/0 requests for jumbo clusters delayed (4k/9k/16k) > >> 2/1736/0 requests for jumbo clusters denied (4k/9k/16k) > >> 0 requests for sfbufs denied > >> 0 requests for sfbufs delayed > >> 0 requests for I/O initiated by sendfile > >> root@husker:~ # uptime > >> 11:07AM up 23 days, 19:27, 1 user, load averages: 0.14, 0.17, > >> 0.13 > >> root@husker:~ # sysctl -a | grep nmb > >> kern.ipc.nmbclusters: 1018800 > >> kern.ipc.nmbjumbop: 509399 > >> kern.ipc.nmbjumbo9: 452799 > >> kern.ipc.nmbjumbo16: 339596 > >> kern.ipc.nmbufs: 6520320 > >> root@husker:~ # cat /boot/loader.conf > >> zfs_load="YES" > >> amdtemp_load="YES" > >> if_mxge_load="YES" > >> mxge_ethp_z8e_load="YES" > >> mxge_eth_z8e_load="YES" > >> mxge_rss_ethp_z8e_load="YES" > >> mxge_rss_eth_z8e_load="YES" > >> vfs.zfs.arc_max="12288M" > >> root@husker:~ # cat /var/run/dmesg.boot | head -16 > >> Copyright (c) 1992-2014 The FreeBSD Project. > >> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, > >> 1993, 1994 > >> The Regents of the University of California. All rights > >> reserved. > >> FreeBSD is a registered trademark of The FreeBSD Foundation. > >> FreeBSD 10.0-RELEASE-p4 #0: Tue Jun 3 13:14:57 UTC 2014 > >> root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC > >> amd64 > >> FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610 > >> CPU: AMD Opteron(tm) Processor 4122 (2200.07-MHz K8-class CPU) > >> Origin = "AuthenticAMD" Id = 0x100f80 Family = 0x10 Model = > >> 0x8 > >> Stepping = 0 > >> Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> > >> Features2=0x802009<SSE3,MON,CX16,POPCNT> > >> AMD > >> Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!> > >> AMD > >> Features2=0x837ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,SKINIT,WDT,NodeId> > >> TSC: P-state invariant > >> real memory = 17179869184 (16384 MB) > >> avail memory = 16588054528 (15819 MB) > >> > >> > >> -- > >> Bob Healey > >> Systems Administrator > >> Biocomputation and Bioinformatics Constellation > >> and Molecularium > >> healer@rpi.edu > >> (518) 276-4407 > >> > >> _______________________________________________ > >> freebsd-stable@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable > >> To unsubscribe, send any mail to > >> "freebsd-stable-unsubscribe@freebsd.org" > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to > "freebsd-stable-unsubscribe@freebsd.org" >
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