Date: 19 Jul 1995 23:02:08 +0800 From: peter@haywire.dialix.com (Peter Wemm) To: freebsd-current@freebsd.org Subject: what's going on here? (NFSv3 problem?) Message-ID: <3uj6pg$3h3$1@haywire.DIALix.COM>
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Some time in the last few weeks, doing a ls on a large NFS mounted
directory.. It looks like the server is answering with the wrong
offset, but it used to work and the server hasn't changed lately
(like, years... It's a vintage SVR4.0/386 system.)
The freebsd client has it mounted with a read and write size of 1024,
which struck me as odd that it appears to be asking for a 8192 byte
chunk... It works fine with directory scans of smaller directories..
And yes, I'm just about to run fsirand on the server.. :-)
Puzzled, (I don't speak NFS, so please be gentle.. ;-)
-Peter
jhome # tcpdump -s 10000 -vv port nfs
tcpdump: listening on ed0
14:32:00.078577 jhome.f3 > haywire.nfs: 128 lookup fh 0,1/11 "." (ttl 64, id 35407)
14:32:00.083958 haywire.nfs > jhome.f3: reply ok 128 lookup fh 0,1/11 DIR 40755 ids 2004/304 sz 4608 nlink 20 rdev 0 fsid 1 nodeid 122b0 a/m/ctime 806164215.955880 806140879.043601 806140879.043601 (ttl 30, id 56882)
14:32:00.085901 jhome.f4 > haywire.nfs: 128 lookup fh 0,1/11 "." (ttl 64, id 35408)
14:32:00.089350 haywire.nfs > jhome.f4: reply ok 128 lookup fh 0,1/11 DIR 40755 ids 2004/304 sz 4608 nlink 20 rdev 0 fsid 1 nodeid 122b0 a/m/ctime 806164215.955880 806140879.043601 806140879.043601 (ttl 30, id 56883)
14:32:00.090940 jhome.f5 > haywire.nfs: 120 getattr fh 0,1/11 (ttl 64, id 35409)
14:32:00.094075 haywire.nfs > jhome.f5: reply ok 96 getattr DIR 40755 ids 2004/304 sz 4608 (ttl 30, id 56884)
[ note that it asks the same thing again ]
14:32:00.095423 jhome.f6 > haywire.nfs: 120 getattr fh 0,1/11 (ttl 64, id 35410)
14:32:00.098540 haywire.nfs > jhome.f6: reply ok 96 getattr DIR 40755 ids 2004/304 sz 4608 (ttl 30, id 56885)
[and again.. another getattr...]
14:32:00.099626 jhome.f7 > haywire.nfs: 120 getattr fh 0,1/11 (ttl 64, id 35411)
14:32:00.105959 haywire.nfs > jhome.f7: reply ok 96 getattr DIR 40755 ids 2004/304 sz 4608 (ttl 30, id 56886)
[ and here we start the readdir packets.. note the times...]
14:32:00.108383 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35412)
14:32:00.120718 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56887:1480@0+) (ttl 30)
^^
14:32:00.315550 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35413)
14:32:00.339449 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56888:1480@0+) (ttl 30)
^^
14:32:00.725494 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35418)
14:32:00.739364 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56889:1480@0+) (ttl 30)
^^
14:32:01.535204 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35420)
14:32:01.547494 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56904:1480@0+) (ttl 30)
^^
14:32:03.144782 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35421)
14:32:03.155896 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56905:1480@0+) (ttl 30)
^^
14:32:06.354102 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35424)
14:32:06.365342 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56907:1480@0+) (ttl 30)
^^
14:32:12.762514 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35426)
14:32:12.775162 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56909:1480@0+) (ttl 30)
^^
14:32:25.569545 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35427)
14:32:25.582252 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56915:1480@0+) (ttl 30)
^^
14:32:51.173615 jhome.f8 > haywire.nfs: 128 readdir fh 0,1/11 8192 bytes @ 0 (ttl 64, id 35430)
14:32:51.186349 haywire.nfs > jhome.f8: reply ok 1472 readdir offset 1 size 74416 eof (frag 56922:1480@0+) (ttl 30)
^^
Script done on Wed Jul 19 22:34:54 1995
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