Hi,

I recently upgraded an older box running as a file server for a small company to Mandriva (Mandrake) 10.1. It's running Samba 3.0.10.1, the default Mandrake package.

We have a custom script that mounts a Windows share using smbfs, backs up specific directories, and unmounts when it's done. The problem is, it's not mounting reliably.

There is an entry in /etc/fstab for the share, complete with login credentials. Usually I can just log in as root and run:

mount /home/dubois/smb/dumas

... and it mounts and runs just fine. But sometimes it fails to mount, returning

Mounting: /home/dubois/smb/dumas
6606: tree connect failed: ERRDOS - 71
SMB connection failed

Other shares on other computers mount just fine--it's always this same remote computer, which is running Windows XP Professional.

I find in the /var/log/samba/smbmount.log this:

[2005/06/02 03:19:50, 0] tdb/tdbutil.c:tdb_log(725)
tdb(/var/cache/samba/gencache.tdb): tdb_lock failed on list 16 ltype=0 (Bad file descriptor)
[2005/06/02 03:19:50, 0] tdb/tdbutil.c:tdb_log(725)
tdb(/var/cache/samba/gencache.tdb): tdb_lock failed on list 16 ltype=1 (Bad file descriptor)
[2005/06/02 03:19:50, 0] tdb/tdbutil.c:tdb_log(725)
tdb(/var/cache/samba/gencache.tdb): tdb_lock failed on list 48 ltype=0 (Bad file descriptor)
[2005/06/02 03:19:51, 0] tdb/tdbutil.c:tdb_log(725)
tdb(/var/cache/samba/gencache.tdb): tdb_lock failed on list 16 ltype=1 (Bad file descriptor)


With the previous Linux installation, an older Red Hat install with somewhere around version 2.1, this share had been mounting flawlessly every night for the last month. Since upgrading, it seems to fail 50% of the time, and succeed 50% of the time. I'm using the old smb.conf and smbpasswd files, but otherwise all the other supporting Samba files are from the new installation.

Anybody have any hints, tips, fixes, or troubleshooting steps? What more information should I provide?

Thanks,

--
John Locke
"Open Source Solutions for Small Business Problems"
published by Charles River Media, June 2004
http://www.freelock.com

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