[CLUE-Tech] apache and samba

[Sterling, Willard]

It is possible to run NFS on NT, I did it years ago but I forget what
software I used now.  I think it might have been provided latter in
Microsoft's UNIX tools for NT package.  As a general rule though I try to
avoid Samba and NFS mounts in production they are just not reliable enough.
If the company has the money you may want to ask for a SAN or EMC to use as
the DFS.

-----Original Message-----
From: Mike Staver [mailto:staver at fimble.com]
Sent: Thursday, October 23, 2003 1:52 PM
To: clue-tech at clue.denver.co.us
Subject: Re: [CLUE-Tech] apache and samba


Yeah, the problem with a cron job is this stuff has to be instant. 
People upload a document, it has to immediately be accessible to 
everyone on all 3 machines.  So, NFS might work - except for the fact 
that the 4th box is my companies file server, which is a windows 2k box. 
   I have not tried Samba 3.0 yet, so maybe that is more compatible?

Chris Tubutis wrote:

> I've used the same concept in the past - a single source used by
> multiple boxes & httpd daemons. Having those three httpd boxes out of
> sync doesn't give one warm, fuzzy feelings. :) I've done a few things in
> the past, none of 'em involved Samba (much). You might have your CF
> stuff upload stuff to a 4th box, just like you're doing now. But instead
> of having the Web servers access that via Samba, how about if they
> access it via NFS automount? Another possibility... upload to the 4th
> box, then have a periodic cron job that uses rdist or rsync or some such
> to update the httpd boxes.
> 
> ct
> 
> On 23 Oct, Mike Staver wrote:
> 
>>I have 3 webservers set up that I have some code on that allows me to 
>>upload documents through cold fusion for various reasons.  These 3 
>>webservers are all mirrors of each other, and round robin dns is what 
>>spits users to the different servers.  So, when a document is uploaded, 
>>it only gets uploaded to one of the webservers... and the mirror is no 
>>longer a mirror :)  So, my solution to this was to add a fourth
>>machine and mount a share on it via samba and have all the webservers
>>use that for the file repository.  I'm not sure this is the best way
>>to do this - using samba and all.  Sometimes on the webservers when I
>>run dmesg, I see stuff like this:
>>
>>smb_trans2_request: result=-104, setting invalid
>>smb_retry: successful, new pid=5679, generation=25
>>smb_trans2_request: result=-104, setting invalid
>>smb_retry: successful, new pid=5679, generation=26
>>smb_trans2_request: result=-104, setting invalid
>>smb_retry: successful, new pid=5679, generation=27
>>smb_trans2_request: result=-104, setting invalid
>>smb_retry: successful, new pid=5679, generation=28
>>smb_trans2_request: result=-104, setting invalid
>>smb_retry: successful, new pid=5679, generation=29
>>smb_trans2_request: result=-104, setting invalid
>>smb_retry: successful, new pid=5679, generation=30
>>
>>And then ofcourse, there is sometimes a lag while it "remounts" the 
>>drive after these errors, so the website is slowed down a bit by this. 
>>But after it remounts, it's great - until it loses it's connection 
>>again.  Is there something I can do about this, or is there a better
>>way to have mulitiple webservers share documents?
> 
> 
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-- 

                                 -Mike Staver
                                  staver at fimble.com
                                  mstaver at globaltaxnetwork.com

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