Jeremy Allison wrote:
What the client is trying to do is extend the file here.

It's writing one byte at increasingly large offsets to
force the filesystem to extend the allocated storage (as
sparse files are rare on NTFS and of course what other
filesystems are there :-). Have you tried playing with
the allocation size ? We normally report it as 1 meg to
stop the clients doing such stupidity.

Thanks a lot for the helpful response. The current (default) settings are:

myserver# testparm -s -v /etc/samba/smb.conf 2>&1 | grep alloc
        allocation roundup size = 1048576
        strict allocate = No

Given my symptoms and typical file sizes of several megabytes, are you suggesting to increase "allocation roundup size" by, say, a factor of 10? I just need an educated guess to start with before users return to work tomorrow morning.


Cheers,
-TL
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