Thank you for your help. You're right for the version : it's 2.2.3.
I checked on the ftp server of SuSE the compile options used to build the binaries. "--with-quotas" is mentionned. So, it's strange.
The last chance to go further is to compile Samba on the AS/400 but I'm not close to it for one month.
The next part of your mail deals about the strange behaviour of quotas. I also made tests on Samba 2.2.8/SuSE Linux 8.1 professional/Client NT4.
I got file truncation, and also differents displays between Linux and WinNT4 due to "copy on write" mode on WinNT4 I suppose
Nicolas Silvestre
Johannes Niess wrote:
- samba 2.2.23This version does not exist. You have to recompile "./configure --with-quota" to get the quota displayed as share size. It is not enabled by most vendor binaries.
You need extensive testing for correctnes. On i386 linux I got silent file truncations when exceeding quota. I just copied files with W2k explorer. Unfortunately the Samba team could not reproduce it (yet). For me it happens even without quota when the real (floppy) disk is full.. Quota just triggers it earlier.
Reason seems to be "sparse" files. Sometimes Windows does a strange test for disk space: A new file is opened and seeked to the last byte of data to be written. Then the last byte is written and the return code used.
Unix tries to be smart and does a kind of run length encoding for all these unused bytes that have been seeked over. This is accounted with it's compressed size for quota. So the test succeeds and Windows does no further error checking. Samba is bound to Unix quota restrictions and the client has no way to reask the status. The file is truncated at quota boundary and ext3 displays full file size to the client.
Setting "strict allocate = yes" in smb.conf is supposed to help, but it does not for me in this case.
Please report negative _and_ positive test results here to establish some statistics. Maybe we can find the pattern where things go wrong.
Johannes Nie�
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