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9 messages in net.sourceforge.lists.courier-users[courier-users] Courier Imap + NFS ma...| From | Sent On | Attachments |
|---|---|---|
| Pavel Georgiev | Nov 26, 2007 7:35 am |  .log |
| Jose Celestino | Nov 26, 2007 8:19 am | |
| Gordon Messmer | Nov 26, 2007 9:23 am | |
| Pavel Georgiev | Nov 26, 2007 10:15 am | |
| Gordon Messmer | Nov 26, 2007 10:29 am | |
| Pavel Georgiev | Nov 26, 2007 10:48 am | |
| Pavel Georgiev | Nov 27, 2007 9:42 am | |
| Pavel Georgiev | Nov 30, 2007 1:15 pm | |
| Sam Varshavchik | Nov 30, 2007 3:16 pm |
| Permalink for this message Paste this link in email or IM: |
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| Subject: | [courier-users] Courier Imap + NFS mailboxes | Actions... |
|---|---|---|
| From: | Pavel Georgiev (pav...@netclime.com) | |
| Date: | Nov 26, 2007 7:35:19 am | |
| List: | net.sourceforge.lists.courier-users | |
| Attachments: | strace.log - 5k | |
Hi,
I have postfix + courier running on two servers with mailboxes shared on a third server shared over nfs.
When I access a mailbox over imap, I see it trying to rename files from ./new to ./cur, which is OK. The problem is that the syscall returns 0 (which is success) but the file is still in ./new, so the when imapd list the dir again it still sees the same files and tries to rename them. This loops continues for long enough to make the imap client give up. See the attached strace log of the imapd process with the loop.
When I try to `ls` some of the files that it tries to rename, I see that there are still in ./new, which is odd as rename seems to succeed. However if I do the same `ls` on the nfs server where the mailboxes are, I see that it the files are already renamed to ./cur.
To eliminate nfs race conditions I`ve turned the second mail server off, so there is only one nfs client accessing the mailboxes. The nfs server is a linux box as well, running Ubuntu 7.04, the underlying fs is reiserfs and it runs on top of drbd (if this makes any differance).
I guess this is some nfs issue, I really hope someone had the same problem and probably a solution for this.
[pid 6165] open("./new", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 4
[pid 6165] fstat64(4, {st_mode=S_IFDIR|S_ISGID|0700, st_size=3936, ...}) = 0
[pid 6165] fcntl64(4, F_SETFD, FD_CLOEXEC) = 0
[pid 6165] getdents64(4, /* 63 entries */, 32768) = 3952
[pid 6165] close(4) = 0
[pid 6165] rename("./new/1196076054.VeI1aaf5fM482906.vm-mail1.ba.nc",
"./cur/1196076054.VeI1aaf5fM482906.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196075517.VeI195afM906331.vm-mail1.ba.nc",
"./cur/1196075517.VeI195afM906331.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196071149.VeI19d8a4M778053.vm-mail1.ba.nc",
"./cur/1196071149.VeI19d8a4M778053.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196083207.VeI1ab09aM10517.vm-mail1.ba.nc",
"./cur/1196083207.VeI1ab09aM10517.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196072827.VeI1aaeceM110877.vm-mail1.ba.nc",
"./cur/1196072827.VeI1aaeceM110877.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196075532.VeI195b2M958773.vm-mail1.ba.nc",
"./cur/1196075532.VeI195b2M958773.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196072830.VeI1aaed1M268946.vm-mail1.ba.nc",
"./cur/1196072830.VeI1aaed1M268946.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196083273.VeI1ab0afM407018.vm-mail1.ba.nc",
"./cur/1196083273.VeI1ab0afM407018.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196086898.VeI19e532M895618.vm-mail1.ba.nc",
"./cur/1196086898.VeI19e532M895618.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196089266.VeI197635M88016.vm-mail1.ba.nc",
"./cur/1196089266.VeI197635M88016.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196083092.VeI1ab08fM871539.vm-mail1.ba.nc",
"./cur/1196083092.VeI1ab08fM871539.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196077473.VeI1aafb5M730820.vm-mail1.ba.nc",
"./cur/1196077473.VeI1aafb5M730820.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196075524.VeI195b1M138841.vm-mail1.ba.nc",
"./cur/1196075524.VeI195b1M138841.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196084568.VeI1ab0eeM963324.vm-mail1.ba.nc",
"./cur/1196084568.VeI1ab0eeM963324.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196086600.VeI1ab24fM444178.vm-mail2.ba.nc",
"./cur/1196086600.VeI1ab24fM444178.vm-mail2.ba.nc:2,") = 0
[pid 6165] rename("./new/1196079139.VeI1aafc9M869772.vm-mail1.ba.nc",
"./cur/1196079139.VeI1aafc9M869772.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196084307.VeI1ab0daM258225.vm-mail1.ba.nc",
"./cur/1196084307.VeI1ab0daM258225.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196085543.VeI1ab174M321956.vm-mail1.ba.nc",
"./cur/1196085543.VeI1ab174M321956.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196076932.VeI1aafa9M541312.vm-mail1.ba.nc",
"./cur/1196076932.VeI1aafa9M541312.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196088759.VeI1a1345M930871.vm-mail1.ba.nc",
"./cur/1196088759.VeI1a1345M930871.vm-mail1.ba.nc:2,") = 0
[pid 6165] open("./new", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 4
[pid 6165] fstat64(4, {st_mode=S_IFDIR|S_ISGID|0700, st_size=2656, ...}) = 0
[pid 6165] fcntl64(4, F_SETFD, FD_CLOEXEC) = 0
[pid 6165] getdents64(4, /* 63 entries */, 32768) = 3952
[pid 6165] close(4) = 0
[pid 6165] rename("./new/1196076054.VeI1aaf5fM482906.vm-mail1.ba.nc",
"./cur/1196076054.VeI1aaf5fM482906.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196075517.VeI195afM906331.vm-mail1.ba.nc",
"./cur/1196075517.VeI195afM906331.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196071149.VeI19d8a4M778053.vm-mail1.ba.nc",
"./cur/1196071149.VeI19d8a4M778053.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196083207.VeI1ab09aM10517.vm-mail1.ba.nc",
"./cur/1196083207.VeI1ab09aM10517.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196072827.VeI1aaeceM110877.vm-mail1.ba.nc",
"./cur/1196072827.VeI1aaeceM110877.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196075532.VeI195b2M958773.vm-mail1.ba.nc",
"./cur/1196075532.VeI195b2M958773.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196072830.VeI1aaed1M268946.vm-mail1.ba.nc",
"./cur/1196072830.VeI1aaed1M268946.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196083273.VeI1ab0afM407018.vm-mail1.ba.nc",
"./cur/1196083273.VeI1ab0afM407018.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196086898.VeI19e532M895618.vm-mail1.ba.nc",
"./cur/1196086898.VeI19e532M895618.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196089266.VeI197635M88016.vm-mail1.ba.nc",
"./cur/1196089266.VeI197635M88016.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196083092.VeI1ab08fM871539.vm-mail1.ba.nc",
"./cur/1196083092.VeI1ab08fM871539.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196077473.VeI1aafb5M730820.vm-mail1.ba.nc",
"./cur/1196077473.VeI1aafb5M730820.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196075524.VeI195b1M138841.vm-mail1.ba.nc",
"./cur/1196075524.VeI195b1M138841.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196084568.VeI1ab0eeM963324.vm-mail1.ba.nc",
"./cur/1196084568.VeI1ab0eeM963324.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196086600.VeI1ab24fM444178.vm-mail2.ba.nc",
"./cur/1196086600.VeI1ab24fM444178.vm-mail2.ba.nc:2,") = 0
[pid 6165] rename("./new/1196079139.VeI1aafc9M869772.vm-mail1.ba.nc",
"./cur/1196079139.VeI1aafc9M869772.vm-mail1.ba.nc:2,") = 0
[pid 6165] rename("./new/1196084307.VeI1ab0daM258225.vm-mail1.ba.nc",
"./cur/1196084307.VeI1ab0daM258225.vm-mail1.ba.nc:2,") = 0