[Samba] (no subject)

[Joel Franco]

-- 
Joel Franco
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On Seg Nov 28 05 12:26, Gerald (Jerry) Carter wrote:
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> Joel,
> 
> Joel Franco wrote:
> 
> | Empirically, when a NT based is added to the
> | existing network, the database application runs
> | slowly (access data) in this client machine
> | and in others NT machines that are added to the LAN.
> |
> | If i substitute this samba server with a Win2k3
> | Standard Server, the application latency backs
> | to the original (or close), before the NT clients.
> | This was a big deception to me and since then, i'm
> | trying to find why this happens but i'm specialist.
> 
> What version of Samba are you running?

Samba 3.0.20b-2.

But this problem exists since old samba versions.

> 
> | I have observed in the ethereal sniffer that exists a
> | lot of "Locking AndX Request" and "Locking AndX Response"
> | that is highly "ping pong" communication between
> | the server and the client, that certainly don't
> | permit a good brute transfer. I understand that must
> | exist a lock mechanism to not corrupt the file
> | database shared between others stations.
> 
> Most people running pc based database apps disable
> oplocks on the server.  Can you run a quick test
> with and without oplocks in the Samba share.

The oplocks warn that could be problem on this enabled. If a client
machine crash, the database could be corrupted, correct?

Should I understand the oplocks is a tradeoff and have to be choosed
between speed and corrupt probability?

Thank You,

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> cheers, jerry
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