From: Frank van Maarseveen <frankvm@frankvm.com>
To: Linux NFS mailing list <nfs@lists.sourceforge.net>
Subject: Random ESTALE due to lookup "/" in mount point?
Date: Wed, 23 Aug 2006 17:09:41 +0200 [thread overview]
Message-ID: <20060823150941.GA13000@janus> (raw)
NFSv3, udp, client=2.6.17.8, server=tru64
On the client I started to get some random ESTALE errors which disappeared
quickly afterwards without a remount. The errors only occurred when typing
stat ..
in a subdirectory of a mountpoint. Doing ls -al in that subdirectory
gave an ESTALE only on "..". I could even change directory to / and back
without an ESTALE but the "stat .." command still gave an ESTALE.
A "tcpdump -i eth0 udp port 2049 -n -s 1500" showed something which is
unusual to my knowledge. The kernel tried to lookup "/" in the mount
point as it seems:
16:42:03.644621 IP 172.17.1.64.3759242568 > 172.17.1.1.2049: 120 lookup fh 2956,259248/28524 "stat"
16:42:03.644967 IP 172.17.1.1.2049 > 172.17.1.64.3759242568: reply ok 116 lookup ERROR: No such file or directory
16:42:03.647345 IP 172.17.1.64.3776019784 > 172.17.1.1.2049: 112 getattr fh 2956,259248/2
16:42:03.647496 IP 172.17.1.1.2049 > 172.17.1.64.3776019784: reply ok 112 getattr DIR 1777 ids 0/0 sz 0x2000
=> 16:42:03.648002 IP 172.17.1.64.3792797000 > 172.17.1.1.2049: 120 lookup fh 2956,259248/2 "/"
16:42:03.648244 IP 172.17.1.1.2049 > 172.17.1.64.3792797000: reply ok 116 lookup ERROR: No such file or directory
16:42:03.648440 IP 172.17.1.64.3809574216 > 172.17.1.1.2049: 112 getattr fh 2956,259248/2
16:42:03.648680 IP 172.17.1.1.2049 > 172.17.1.64.3809574216: reply ok 112 getattr DIR 1777 ids 0/0 sz 0x2000
=> 16:42:03.648877 IP 172.17.1.64.3826351432 > 172.17.1.1.2049: 120 lookup fh 2956,259248/2 "/"
16:42:03.649110 IP 172.17.1.1.2049 > 172.17.1.64.3826351432: reply ok 116 lookup ERROR: No such file or directory
16:42:09.605452 IP 172.17.1.64.3879531864 > 172.17.1.1.2049: 116 access fh 3806,805074/16337 001f
16:42:09.605758 IP 172.17.1.1.2049 > 172.17.1.64.3879531864: reply ok 120 access c 001f
--
Frank
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next reply other threads:[~2006-08-23 15:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 15:09 Frank van Maarseveen [this message]
2006-08-23 16:20 ` Random ESTALE due to lookup "/" in mount point? Trond Myklebust
2006-08-24 23:19 ` Frank van Maarseveen
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