distributed filesystem over internet/VPN Post: 302696103

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Special Forums Hardware Filesystems, Disks and Memory distributed filesystem over internet/VPN Post 302696103 by Domino on Tuesday 4th of September 2012 09:51:46 AM

09-04-2012

Registered User

distributed filesystem over internet/VPN

On this forum was already posted similar question, but it was 4 years ago and didn't give me answers.

I have two groups of engineers that works in far locations connected via VPN. Physically, the connection is a DSL. Currently we have a linux server in one location that provide files over SMB/CIFS. Thus live of people in the second location is a nightmare.

I can change a lot on the server, but one thing must remain. Workstation need to access files using standard windows mechanisms (SMB/CIFS). No extra software (drivers, clients etc).

To solve it, I want to install second server in the second location and use a distributed filessystem that mainly works in replication mode. Files on both servers will be redistributed by samba in the local network.

There is a great list of distributed filesystems on wikipedia.

The most advanced seams to be lustre. But I have some doubts if it will work for me. Lustre is dedicated to a true cluster with a high speed connection (10GigE or special hardware like RDMA). It also stripe space from all nodes, while I rather want to have replication/mirroring.

XtreemFS seams to be more adequate to me. At least from functional site. But it seams that it is JAVA based solution... I'm very afraid for the performance. There is also some limitation for read/write replication.

GlusterFS: according to some blog this filesystem is not good choice for high-latency connection like DSL. (sorry, forum disallow me to publish valid link, add http prefix: joejulian.name/blog/glusterfs-replication-dos-and-donts/)

What is your recommendation?
Had anyone similar problem?

Domino

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LEARN ABOUT NETBSD

resize_lfs

RESIZE_LFS(8)						    BSD System Manager's Manual 					     RESIZE_LFS(8)

NAME

     resize_lfs -- resize a mounted log-structured filesystem

SYNOPSIS

     resize_lfs [-v] [-s new-size] mounted-file-system

DESCRIPTION

     resize_lfs grows or shrinks a mounted log-structured filesystem to the specified size.  mounted-file-system is the name of the filesystem to
     be resized, and new-size is the desired new filesystem size, in sectors.  If new-size is not specified, resize_lfs will default to the cur-
     rent size of the partition containing the filesystem in question.

     When growing, the partition must be large enough to contain a filesystem of the specified size; when shrinking, resize_lfs must first
     ``clean'' the segments that will be invalid when the filesystem is shrunk.  If this cleaning process results in these segments becoming
     redirtied, this indicates that the given new size is not large enough to contain the existing filesystem data, and resize_lfs will return an
     error.

EXAMPLES

     To resize the file system mounted at /home to 32576 sectors:
	   resize_lfs -s 32576 /home

SEE ALSO

     fsck_lfs(8), lfs_cleanerd(8), newfs_lfs(8)

HISTORY

     The resize_lfs command first appeared in NetBSD 3.0.

AUTHORS

     Konrad Schroder <perseant@NetBSD.org>

BUGS

     resize_lfs should be able to resize an unmounted filesystem as well.

BSD
								 September 4, 2006							       BSD