03-05-2010
read/write,write/write lock with smbclient fails
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?
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sharing(1) BSD General Commands Manual sharing(1)
NAME
sharing -- create share points for afp, ftp and smb services.
SYNOPSIS
sharing [-a <path> [options]] [-e <share point name> [options]] [-r <share point name>] [-l]
DESCRIPTION
A list of flags and their descriptions:
-a <path>
add a new share point for the directory specified by <path>.
-e <share point name>
edit the share point record specified by <share point name>.
-r <share point name>
delete the share point record specified by <share point name>.
-l list all existing share point records.
Description of options The following options modify share point record attributes
-A <afp name>
use customized name <afp name> when using share point with afp.
-F <ftp name>
use customized name <ftp name> when using share point with ftp.
-S <smb name>
use customized name <smb name> when using share points with smb.
-s <flags>
use this option to modify individually, the sharing attribute for afp, ftp and smb. By default a share point record is enabled for
afp, ftp and smb. To modify the indiviual attributes AND the following flags as required: 100 (enable sharing for afp only), 010
(enable sharing for ftp only), 001 (enable sharing for smb only). Specify 000 to turn off sharing of a share point all together.
use customized name <smb name> when using share points with smb.
-g <guest flag>
use this option to modify individually, the "guest" attribute for afp, ftp and smb. The "guest" attribute specifies whether a ser-
vice will allow guest access to this share point record. By default a "guest" is enabled for afp, ftp and smb. To modify the
attribute, AND the following <guest flags> as required: 100 (enable guest access for afp only), 010 (enable guest access for ftp
only), 001 (enable guest access for smb only). Specify 000 to turn off guest access for the share point all together.
-i <inherit privileges flag>
use this option to modify the "inherit privileges" attribute for afp. The "inherit privileges" attribute specifies whether afp will
apply the classic privilege model to operations within this share point. By default "inherit privileges" is disabled for afp. To
modify the "inherit privileges", AND the following <guest flags> as required: 10 (enable "inherit privileges" for afp only). Spec-
ify 00 to turn off "inherit privileges" for the share point all together.
-n <customized record name>
Specify a <customized record name> to be used as the share point record name. By default the record name is the name of the direc-
tory pointed to by the share point record. This directory is specified bt the <path> when the record is created.
EXAMPLES
/usr/sbin/sharing -a /SomePath/ShareThisDirectory
This example shows how create a share point record for the directory "/SomePath/ShareThisDirectory".
/usr/sbin/sharing -e ShareThisDirectory -A SP1 -g 101
This example shows how to edit the share point record created above, adding a customized name "SP1" for afp servies, and enabling guest
access only for afp and smb.
FILES
/usr/sbin/sharing location of tool
Mac OS X Server June 2, 2019 Mac OS X Server