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Special Forums IP Networking read/write,write/write lock with smbclient fails Post 302401247 by swatidas11 on Friday 5th of March 2010 09:17:40 AM
Old 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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SMBGET(1)							   User Commands							 SMBGET(1)

NAME
smbget - wget-like utility for download files over SMB SYNOPSIS
smbget [-a, --guest] [-r, --resume] [-R, --recursive] [-u, --username=STRING] [-p, --password=STRING] [-w, --workgroup=STRING] [-n, --nonprompt] [-d, --debuglevel=INT] [-D, --dots] [-P, --keep-permissions] [-o, --outputfile] [-f, --rcfile] [-q, --quiet] [-v, --verbose] [-b, --blocksize] [-O, --stdout] [-?, --help] [--usage] {smb://host/share/path/to/file} [smb://url2/] [...] DESCRIPTION
This tool is part of the samba(7) suite. smbget is a simple utility with wget-like semantics, that can download files from SMB servers. You can specify the files you would like to download on the command-line. The files should be in the smb-URL standard, e.g. use smb://host/share/file for the UNC path \\HOST\SHARE\file. OPTIONS
-a, --guest Work as user guest -r, --resume Automatically resume aborted files -R, --recursive Recursively download files -u, --username=STRING Username to use -p, --password=STRING Password to use -w, --workgroup=STRING Workgroup to use (optional) -n, --nonprompt Don't ask anything (non-interactive) -d, --debuglevel=INT Debuglevel to use -D, --dots Show dots as progress indication -P, --keep-permissions Set same permissions on local file as are set on remote file. -o, --outputfile Write the file that is being downloaded to the specified file. Can not be used together with -R. -O, --stdout Write the file that is being downloaded to standard output. -f, --rcfile Use specified rcfile. This will be loaded in the order it was specified - e.g. if you specify any options before this one, they might get overriden by the contents of the rcfile. -q, --quiet Be quiet -v, --verbose Be verbose -b, --blocksize Number of bytes to download in a block. Defaults to 64000. -?, --help Show help message --usage Display brief usage message SMB URLS
SMB URL's should be specified in the following format: smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] smb:// means all the workgroups smb://name/ means, if name is a workgroup, all the servers in this workgroup, or if name is a server, all the shares on this server. EXAMPLES
# Recursively download 'src' directory smbget -R smb://rhonwyn/jelmer/src # Download FreeBSD ISO and enable resuming smbget -r smb://rhonwyn/isos/FreeBSD5.1.iso # Recursively download all ISOs smbget -Rr smb://rhonwyn/isos # Backup my data on rhonwyn smbget -Rr smb://rhonwyn/ BUGS
Permission denied is returned in some cases where the cause of the error is unknown (such as an illegally formatted smb:// url or trying to get a directory without -R turned on). VERSION
This man page is correct for version 3 of the Samba suite. AUTHOR
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed. The smbget manpage was written by Jelmer Vernooij. Samba 3.5 06/18/2010 SMBGET(1)
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