samba - Feb 2003 - Samba quotas (one more)

Hello again (I hope it's not too much to have two questions in one day :),

Currently I'm testing quota support on Linux system with kernel 2.4.18 + 
XFS 1.1 patch + Samba 2.2.7 (--with-quota compiled) and I went into one 
really unpleasant problem when accesing Samba share from Windows 2000 
SP3 with Total commander 5.5.

When user reach soft limit, then he'll get a warning message "Low
space,
do you want to continue ?". Copy can be forced and up to this moment 
everything is ok.


But at moment when trying to copy a file which will cause to overreach 
hard quota limit, then happens this:

- warning message is displayed but user is allowed to enforce copy.
- Windows then displays error message windows with (translated): 
"Delayed write failed ... Data were lost"
- Destination file has same size as source, but content is different!
- Any further copy try will fail with message "Write protected ..."


So where is the problem? Is it bug in Samba (quota support is in 
.configure file announced as experimental), XFS quota support, or in 
Total commander (since same action made with Windows Explorer is ok, 
copy over hard limit is denied).


In case you think it's not a bug (or some kind of misconfiguration), 
does other OS's /filesystems behave the same way ?


Thanks a lot in advance for any answer,

Dan

The problem is with Windows doing delayed writes. Windows before it writes
anything, it sets the file properties. Setting the file properties always
succeeds. So even though the file copy is unsuccessful, file size is shown
correctly.

You can use smb.conf variable "strict allocate = yes" to prevent these
kinds
of problems. However, it has some performance impact.

Try with the above variable turned on and see if you still experience the
problem.

- Ranjit
HP CIFS Team

-----Original Message-----
From: samba-bounces+marc_jacobsen=hp.com@lists.samba.org
[mailto:samba-bounces+marc_jacobsen=hp.com@lists.samba.org]On Behalf Of
Dan Bar
Sent: Tuesday, February 04, 2003 3:56 PM
To: samba@lists.samba.org
Subject: [Samba] Samba quotas (one more)



Hello again (I hope it's not too much to have two questions in one day :),

Currently I'm testing quota support on Linux system with kernel 2.4.18 +
XFS 1.1 patch + Samba 2.2.7 (--with-quota compiled) and I went into one
really unpleasant problem when accesing Samba share from Windows 2000
SP3 with Total commander 5.5.

When user reach soft limit, then he'll get a warning message "Low
space,
do you want to continue ?". Copy can be forced and up to this moment
everything is ok.


But at moment when trying to copy a file which will cause to overreach
hard quota limit, then happens this:

- warning message is displayed but user is allowed to enforce copy.
- Windows then displays error message windows with (translated):
"Delayed write failed ... Data were lost"
- Destination file has same size as source, but content is different!
- Any further copy try will fail with message "Write protected ..."


So where is the problem? Is it bug in Samba (quota support is in
.configure file announced as experimental), XFS quota support, or in
Total commander (since same action made with Windows Explorer is ok,
copy over hard limit is denied).


In case you think it's not a bug (or some kind of misconfiguration),
does other OS's /filesystems behave the same way ?


Thanks a lot in advance for any answer,

Dan


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