[Samba] Re: How Samba let us down

Esh, Andrew AEsh at tricord.com
Wed Oct 23 19:36:22 GMT 2002

We regularly do large file Copy-Paste tests with files between 30G and 60G.
We have yet to see a problem.

Tricord's market is Network Attached Storage, and our product is a file
system. Samba is the main interface between our market and our file system.
We spend a lot of time making sure the data that goes through Samba and into
our file system comes back out in the same shape it went in. We have a whole
department devoted to that purpose. Trust me, we'd notice if there was a
problem. :)

-----Original Message-----
From: Jay Ts [mailto:jay at jayts.cx]
Sent: Wednesday, October 23, 2002 2:25 PM
To: Esh, Andrew
Cc: 'John H Terpstra'; jra at dp.samba.org; chris at devidal.tv; Mathew
McKernan; samba at lists.samba.org; samba-technical at lists.samba.org
Subject: Re: [Samba] Re: How Samba let us down

Esh, Andrew wrote:
> Here at Tricord, we run Samba through some pretty intense tests, as well.
> Since we are a file system producer, we focus on corruption bugs. We
> found any in Samba,

Since I've been curious about this anyway, I might go ahead and check:

Do you (And J. Terpstra, and others) test sending really huge files,
such as 700 MB ISO CD-ROM images or bigger, across the net, and then
run a cmp on them, going in each direction.  That is:

1. Start with a reference huge file on Windows, known to match an
   existing file on Unix, then copy it over through Samba and
   do a cmp on them?  About how many times is this done in your
   tests?  More than a few hundred?

2. Also run the test the other way, and compare the copies on
   the Windows side?

> I'm not trying to chime in here, but if there was
> the kind of bug someone would notice within the first few hours of use,
> have hit it hundreds of times already, just in our testing this week.
> been testing like this for more than two years.

That's what I thought, too.  My take on it was that it was related to
Samba, but not necessarily caused by it.  In any case, it was all more
than a year ago, and isn't an issue to me at all.

Jay Ts
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