IIRC...Dave and SMB handle DFS just fine.  DFS virtualizes the location of the data, but still presents it the same way as a regular share.  In fact, if you look at the disk location of the DFS root on your DFS server, you'll see folders in the same organization as the DFS tree itself.

A better solution for your Mac guys and gals would be to get them on OS 10.3 if their hardware will support it =)

Jeff Mery, MCP
National Instruments

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"Allow me to extol the virtues of the Net Fairy, and of all the fantastic
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Jack Lyons <jack.lyons@martinagency.com>
Sent by: owner-toasters@mathworks.com

05/12/2004 12:09 PM

To
"'Skottie Miller'" <skottie@anim.dreamworks.com>, Jack Lyons <jack.lyons@martinagency.com>
cc
"'toasters@mathworks.com'" <toasters@mathworks.com>
Subject
RE: QTree Size limits





The 14 hours window is from filer to tape - a single LTO1 drive via NDMP
which I think equates to about 24 MB/s which I think is pretty good?!?

We are not using DFS currently, the big question is regards to how does DAVE
and/or OSX native SMB handle DFS - I haven't look at it yet.

Jack

-----Original Message-----
From: Skottie Miller [mailto:skottie@anim.dreamworks.com]
Sent: Wednesday, May 12, 2004 12:51 PM
To: Jack Lyons
Cc: 'toasters@mathworks.com'
Subject: Re: QTree Size limits

Jack Lyons wrote:
> I have a 1.31 TB volume that is 90% full.  There are two solutions I
> have available to me.  One is to try to reduce the amount of space on
> the volume (but meeting resistance by users).  The other is to add
> space.  I am trying to get approval for another TB of disk space, but I
> don't think the best solution is to add it to the existing QTree.  My
> backup window for this volume is 14 -15 hours currently and would only
> get bigger if I add space and that is not acceptable.  I know I can
> another qtree / cifs share but I was hoping I could do it in such a way
> that I would still have another Qtree but make it available to the user
> via a single CIFS Share.

seems you may want to investigate backup system changes; a 14 hour window
for
a 1.3 TB volume is terrible.  what backup product(s) are you using?

For reference, we churn 800 - 1.2 TB per night, out of 40 TB online,
and the first-phase backup window (filer to stage pools) is 4 - 6 hours
long.
Then the data moves from staging pool to tape, outside the backup window.
We use Tivoli storage manager off three Linux backup servers, doing
file-at-a-time differential backups over NFS.

> I was hoping I could add another volume, probably /vol/vol2 with a qtree
> called /vol/vol2/active clients and some how make it appear to the user
> as a subdirectory under \\server\creative <file:///\\server\creative>

Do you use DFS to mount shares ?  My windows guys think DFS supports
nesting shares as you describe.

-skottie



--

Scott Miller                 | Animation Technology
work: skottie@dreamworks.com | Dreamworks Feature Animation
life: skottie@pobox.com      | http://skottie-di.net


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