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Full Discussion: Help finding a Unix friendly RAID 1 backup
Special Forums Hardware Filesystems, Disks and Memory Help finding a Unix friendly RAID 1 backup Post 302507278 by c.wakeman on Wednesday 23rd of March 2011 11:14:57 AM
Old 03-23-2011
Quote:
The server I want to backup is an NTFS file system.
Quote:
??? I thought you were running Linux!
Okay so here is the setup as best I know it. We have a unix terminal running Linux (I logged in and used the uname command to check) that is used as a data server. Users in the office, mostly on pcs but some on macs, can access the drive (through windows) by mapping a network drive under Tools in My Computer and signing in as a registered user. When one does that, the details section on the left info bar lists the name and the physical address, then "Network Drive", "File System: NTFS", and then the free space and total size. I can also access the network through Samba/SWAT, SecureCRT, and the physical terminal itself.

Quote:
So, what's your server actually doing? If you don't know, could you find out?
By doing, do you mean, what is it used for? If so, the department uses it to store research data. From what I understand, most users use it to backup data from their computers, but there may be some users who save data primarily or only to the server for personal or security reasons. The server has joint shared space, where anybody has read and copy privileges but only the author of a file has edit/delete rights. In addition, each registered user should have a personal space that only they see. To be quite honest I don't know much more beyond that, nor do I think does anyone else at this point. I quite accidentally stumbled onto this problem looking for a fix for something else (trying to make a public folder on the shared space that gave all users full privileges of any files placed there) and contacted a number of current and former employees to figure out what had been done in the past in terms of backups, and that appears to be nothing.

Quote:
It may be simpler, and faster to plug the drive into the server direct, mount it, and create the tarball on it that way. Assuming your Linux server can understand XFS.
So that would be simply plugging the drive into the server via USB, mounting (with code) and creating the tarball (more code)? How can I tell if my Linux server can understand XFS or not? The uname -a command gave more info, would that help? How long approximately would that take? and vs. say doing it through the udpcast as you suggested above?

When I do the backup do I need to prevent other activity on the server?

Thanks
 

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LEARN ABOUT SUSE

nwauth

NWAUTH(1)							      nwauth								 NWAUTH(1)

NAME

       nwauth - Verify username/password

SYNOPSIS

       nwauth [ -h ] [ -S server ] [ -U user name ] [ -P password | -n ] [ -D ]

DESCRIPTION

       nwauth  does  nothing  but logging into a NetWare server. If the login was successful, an error code of 0 is returned. If the login was not
       successful, an error code of 1 is returned. It was designed for use by other programs who want authenticate users via a NetWare server.

       If there is no -P or -n option specified on command line, nwauth always expects a password on stdin. If the stdin is a tty, then  the  user
       is prompted for a password. Otherwise nwauth simply reads stdin for a password.

       nwauth  looks  up the file $HOME/.nwclient to find a file server and a user name if they are not specified on command line. See nwclient(5)
       for more information. Please note that the access permissions of .nwclient MUST be 600, for security reasons.

OPTIONS

       -h
	  -h is used to print a short help text.

       -S server
	  server is the name of the server you want to use.

       -U user name
	  If the user name your NetWare administrator gave to you differs from your unix user-id, you should use -U to tell the server about  your
	  NetWare user name.

       -D
	  nwauth  says	that  your password is correct if you have existing connection to server with name user name. This is handy for some shell
	  scripts, but it is unacceptable for authorization modules, such as PAM, PHP or Apache. It was pointed to me that this behavior  was  not
	  well	known, and there exist at least one PAM module which does not know that (this module is not part of ncpfs; you should use PAM mod-
	  ule which comes with ncpfs instead anyway).

SEE ALSO

       nwclient(5)

CREDITS

       nwauth was written by Volker Lendecke (lendecke@math.uni-goettingen.de)

nwauth								    10/27/1996								 NWAUTH(1)
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