Date: Tue, 9 Nov 1999 10:07:48 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: "Karsten W. Rohrbach" <rohrbach@nacamar.net> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: strange NFS stuff going on... (inpcb=0x0,...) Message-ID: <199911091807.KAA02252@apollo.backplane.com> References: <19991109021907.A99041@nacamar.net>
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lsof is obviously having trouble interpreting the data from
the kernel. You could try recompiling lsof, but if it produces
the same junk you will just have to ignore it. I don't particularly
see anything related to NFS in the information you've presented so
far.
I recommend using more conventional programs such as 'ktrace',
'ps axl', and 'netstat -in | fgrep tcp' to try to figure out
why your nnrpd's are having problems. Considering the migration
you just went through there are many potential sources to the
problems you are having.
-Matt
Matthew Dillon
<dillon@backplane.com>
:
:hi, i recently migrated our news box (which runs approx. 1MB/s nntp
:traffic inbound and >2MB/s outbound) to several systems and got the
:spool onto a vinum volume that spans 6 scsi busses (adaptec 3940UW) each
:4 disks (IBM DNES 18GB). theres a private switched interconnect between
:the reader box and the "fileserver" now and nfs seem to crash on me
:somehow. nnrpd start to die after a few megabytes transfer and if i do
:an fstat -vp on one of the nnrpd's i get
:root@NEWS:black[~]31# fstat -vp 3820
:USER CMD PID FD MOUNT INUM MODE SZ|DV R/W
:news nnrpd 3820 root / 2 drwxr-xr-x 512 r
:news nnrpd 3820 wd /sp 158720 drwxrwxr-x 923136 r
:news nnrpd 3820 text / 376 -r-xr-xr-x 90424 r
:news nnrpd 3820 0* internet stream tcp
:news nnrpd 3820 1* internet stream tcp
:news nnrpd 3820 2* internet stream tcp
:news nnrpd 3820 3* local dgram d4c7f400 <-> d4c7efc0
:news nnrpd 3820 4* internet dgram udp d44b1600
:news nnrpd 3820 5 /sp 158720 drwxrwxr-x 923136 r
:news nnrpd 3820 12* local dgram d4c7fe40
:
:example lsof output of one of the dead nnrpd's:
:COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
:nnrpd 3820 news rtd VDIR 4,131072 512 2 /
:nnrpd 3820 news txt VREG 4,131072 90424 376 /home/news/bin/nnrpd
:nnrpd 3820 news txt VREG 4,131078 63832 182626 /usr/libexec/ld-elf.so.1
:nnrpd 3820 news txt VREG 4,131078 7579 39707 /usr/lib/libscrypt.so.2
:nnrpd 3820 news txt VREG 4,131078 31855 39805 /usr/lib/libutil.so.2
:nnrpd 3820 news txt VREG 4,131078 517727 39742 /usr/lib/libc.so.3
:nnrpd 3820 news 0u inet 0t0 TCP can't read inpcb at 0x00000000
:nnrpd 3820 news 1u inet 0t0 TCP can't read inpcb at 0x00000000
:nnrpd 3820 news 2u inet 0t0 TCP can't read inpcb at 0x00000000
:nnrpd 3820 news 3u unix 0xd42353c0 0t0 ->0xd422edc0
:nnrpd 3820 news 4u inet 0xd44b1600 0t0 UDP localhost:1276->localhost:1119
:nnrpd 3820 news 5r VDIR 130,1 923136 158720 /sp/art/alt/binaries/sounds/mp3
:nnrpd 3820 news 12u unix 0xd422e320 0t0 ->(none)
:
:system config is as follows:
:both boxes running freebsd 3.3-RELEASE
:fileserver backend
: tyan tomcat ii (i440BX) bios 1.18
: p-iii 450 (options I686_CPU, NO_F00F_HACK)
: 256m sdram (will be 768m sdram/ecc)
: ahc[0..5] 3x aha-3940uw (options AHC_ALLOW_MEMIO)
: da0 ibm dnes 9GB uw
: da[1..24] 24x ibm dnes 18GB uw
: fxp0 intel etherexpress pro 100+/server (options NMBCLUSTERS=8192)
: media 100BaseTX mediaopt full-duplex
: filesystems on vinum w/ softupdates
: /db stripe, 4disks, 68GB
: /sp stripe, 20disks, 341GB
: nfs_server_flags="-u -t -n 16"
:newsreader frontend
: asus p2b-s (i440BX) bios 1011
: p-iii 450 (options I686_CPU, NO_F00F_HACK)
: 512mb sdram (will be 1gb sdram/ecc)
: ahc0 adaptec u2w onboard
: da0 ibm dnes 9GB u2w
: fxp[0,1] intel etherexpress pro100+/server (options NMBCLUSTERS=8192)
: media 100BaseTX mediaopt full-duplex
: fxp0 -> internet
: fxp1 -> private storage network 10.0.0.0/24
: nfs_client_flags="-n 8"
: fstab:
: bucket:/sp /sp nfs \
: rw,bg,noatime,-r=1024,-w=1024,intr,-a=3,-d,-t=10 0 0
: bucket:/db /db nfs \
: rw,bg,noatime,-r=1024,-w=1024,intr,-a=3,-d,-t=10 0 0
:
:the main question: why do those guys hang there? the nnrpd i use is from
:the inn-1.7.2-insync+actived distribution/patchkit
:
:any ideas? as far as i understand it chokes because of nonexistent pcb's
:that are set 0, but i'm not this deep into nfs anyway... any help
:appreciated...
:
:/k
:
:--
:> "There is a God, but He drinks" -- Blore
:http://www.nacamar.de - http://www.nacamar.net - http://www.webmonster.de
:http://www.apache.de - http://www.quakeforum.de - finger rohrbach@nacamar.net
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