[Samba] MAXScript over SAMBA

2004-09-16 Thread Nicholas McDowell
MAXScript over SAMBA
We are experiencing a major time discrepancy between running a 3ds max 
script from a samba share versus a windows share.

From a windows share, the total time it takes for the script to run and 
the application to become responsive is about 1 second.

When running the same script from a samba share, the process takes 
around 40 seconds.

The script itself is 80KB.   Copying identical files from either server 
yields similar times.

Output from tcpdump on the samba server shows a multitude of small 
(63-65 bytes) data transfers back and forth between the
client-server with the PUSH flag set in the packet.  This output 
continues for the ~40 seconds until 3ds max becomes responsive
again.

We are running 3ds max 6.0 SP1 on Win2k and running the script by 
choosing 'Run Script...' from the MAXScript pulldown menu.

Samba version:  3.0.5
smb.conf:
[global]
   workgroup = theorphanage
   netbios name = altix
   server string = Altix
   log level = 1
   max disk size = 512000
   max xmit = 65535
   oplocks = no
   level2 oplocks = no
   kernel oplocks = no
   strict locking = no
   guest account = orphan
   log file = /var/log/samba/log.%m
   max log size = 50
   security = share
   getwd cache = yes
   socket options = TCP_NODELAY SO_RCVBUF=262144 SO_SNDBUF=262144
   interfaces = 192.168.2.219/0xff00 192.168.2.8/0x
   local master = no
   os level = 0
   domain master = no
   preferred master = no
   wins support = no
   wins server = 192.168.2.11
   dns proxy = no
[TEST]
  comment = ATEST
  path = /TEST
  browseable = yes
  read only = no
  writable = yes
  guest ok = yes
  force group = orphan
  force directory mode = 0777
  force create mode = 0777
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Re: [Samba] Dfs - Load Balancing

2003-10-30 Thread Nicholas McDowell
Thanks for your email Brian and the useful information.

The load balancing I was thinking about using was when you use a symbolic
link with multiple server names and a lb-data tag ie:

ln -s 'msdfs:serverA\someShare.msdfs:serverB\someShare' lb-data

Where someShare on serverA and serverB is the same file system containing
the same data.

Obviously this should only be used in a read only situation unless both
server have write access, which in the case of my setup, they do.

Cheers
Nicholas





> From: <[EMAIL PROTECTED]>
> Date: Wed, 29 Oct 2003 20:40:32 -0500
> To: Nicholas McDowell <[EMAIL PROTECTED]>
> Cc: [EMAIL PROTECTED]
> Subject: Re: [Samba] Dfs - Load Balancing
> 
> Hi,
> 
> I've also an interest in Dfs and plan implementation once I
> have sufccessfully gone to Samba 3.
> 
>> 1) How does it load balance?  Is it some sort of round robin?
> No, its more like autofs using NFS with sym links in the Unix
> world.
> 
> What I mean is that you can spread various data over several
> unique volumes and have them appear under the same dir
> structure.  This not only simplifies data management
> in "where are my files again" but it also allows you to
> spread network and disk i/o over several points.  Another
> advantage is that maintanance can be performend on a
> particular data location (ie; Raid) without affecting the
> entire directory or job structure.
> 
> All this is very old skewl stuff in the Unix world but is
> kinda new in the Windows world.
> 
> One thing to keep in mind is that the initial data request
> goes through the Dfs server in order to establish the mount
> point or network path but after that, subsequent requests go
> directly to that server bypassing the Dfs server.
> 
> As for the rest of your Q's, test and document your results.
> 
> Bri-

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[Samba] Dfs - Load Balancing

2003-10-29 Thread Nicholas McDowell
Hi,

I was wondering if anyone has had any experience with using the Dfs
functionality within Samba.

I've been searching for any performance information and or documentation
regarding Dfs in particular load balancing i.e.

1) How does it load balance?  Is it some sort of round robin?
2) Is there a limit to the number of servers that can used in the load
balance?
3) How many requests per second can Dfs handle?

Any information or links would be greatly appreciated.

Thanks
Nicholas






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