Hi,

We have smb client running on two of the linux boxes and smb server on another linux system. During a backup operation which uses smb, read of a file was allowed while write to the same file was going on.Also simultaneous writes to the same file were allowed.Following are the settings in the smb.conf file:

lock directory =/var/samba/lock
locking=yes
strict locking = no
oplocks=yes
level2 oplocks = no
kernel oplocks =yes
raw read= yes
raw write = yes

Could anyone please let me know that what can I do to disallow read while write is going on and also restrict simultaneous writes?

I suggest that you try a controlled experiment with strict locking = yes and see if that works.

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Steve Stites