Messages in this thread | | | From | (Tad Kollar) | Subject | Re: Please try knfsd 980922 | Date | Thu, 24 Sep 1998 10:33:50 -0400 (EDT) |
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First let me say that the exports improvements are extremely welcome....
Unfortunately I'm seeing stability problems using a large number of client systems with knfs-980922. This is a cluster with 40 diskless machines... after about 17 of them boot, the nfs server stops responding. Each client needs two mounts. Originally I was running with 5 nfsds which I increased to 16 but it didn't help.
The server kernel is 2.1.122ac2 + knfsd-980922 (applied both patches). I have nfsd compiled into the kernel rather than as a module. Clients are running 2.0.35 and 2.1.117. I didn't see the problem with knfs-0.4.22 + 2.1.11x or knfs-980915 + 2.1.122 (didn't try 980920).
In the server kernel log: Sep 24 10:18:03 lord kernel: Socket destroy delayed (r=65184 w=0) Sep 24 10:18:35 lord last message repeated 10 times Sep 24 10:19:37 lord last message repeated 19 times Sep 24 10:19:57 lord last message repeated 6 times
On clients already booted: RPC: task timed out nfs: server 139.88.154.100 not responding, still trying
On clients attempting to boot: Root-NFS: Got file handle for /droot/page08 via RPC NFS server 139.88.154.100 not responding, still trying.
/etc/exports: /raid\ *.as.lerc.nasa.gov(rw,async,insecure,no_root_squash)\ page*.lerc.nasa.gov(rw,async,insecure,no_root_squash)\ aeroshark.lerc.nasa.gov(rw,async,insecure,no_root_squash)\ hpcc.lerc.nasa.gov(rw,async,insecure,no_root_squash)\ anduin.lerc.nasa.gov(rw,async,insecure,no_root_squash) /droot\ *.as.lerc.nasa.gov(rw,async,insecure,no_root_squash)\ page*.lerc.nasa.gov(rw,async,insecure,no_root_squash)
Output of kexportfs: /droot grunt26.as.lerc.nasa.gov /droot grunt25.as.lerc.nasa.gov /droot grunt08.as.lerc.nasa.gov /droot grunt07.as.lerc.nasa.gov /droot grunt24.as.lerc.nasa.gov /droot grunt06.as.lerc.nasa.gov /droot grunt09.as.lerc.nasa.gov /droot page05.lerc.nasa.gov /droot page04.lerc.nasa.gov /droot page03.lerc.nasa.gov /droot grunt05.as.lerc.nasa.gov /droot grunt04.as.lerc.nasa.gov /droot grunt23.as.lerc.nasa.gov /droot grunt22.as.lerc.nasa.gov /droot page02.lerc.nasa.gov /droot grunt03.as.lerc.nasa.gov /droot grunt02.as.lerc.nasa.gov /droot grunt21.as.lerc.nasa.gov /droot page01.lerc.nasa.gov /droot grunt01.as.lerc.nasa.gov /droot page08.lerc.nasa.gov /droot page07.lerc.nasa.gov /droot page06.lerc.nasa.gov /raid grunt26.as.lerc.nasa.gov /raid grunt25.as.lerc.nasa.gov /raid grunt08.as.lerc.nasa.gov /raid grunt07.as.lerc.nasa.gov /raid grunt24.as.lerc.nasa.gov /raid grunt06.as.lerc.nasa.gov /raid grunt05.as.lerc.nasa.gov /raid grunt09.as.lerc.nasa.gov /raid page04.lerc.nasa.gov /raid grunt04.as.lerc.nasa.gov /raid page03.lerc.nasa.gov /raid grunt23.as.lerc.nasa.gov /raid grunt22.as.lerc.nasa.gov /raid page02.lerc.nasa.gov /raid grunt03.as.lerc.nasa.gov /raid grunt02.as.lerc.nasa.gov /raid grunt21.as.lerc.nasa.gov /raid page01.lerc.nasa.gov /raid grunt01.as.lerc.nasa.gov /raid anduin.lerc.nasa.gov /raid hpcc.lerc.nasa.gov /raid aeroshark.lerc.nasa.gov /droot page*.lerc.nasa.gov /droot *.as.lerc.nasa.gov /raid page*.lerc.nasa.gov /raid *.as.lerc.nasa.gov
-- ------------------------------------------------------------------------- Thaddeus J. Kollar Sterling Software, Scientific Systems Division NASA Lewis Research Center -------------------------------------------------------------------------
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