-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Alex de Kruijff
Sent: Thursday, July 14, 2005 4:57 PM
To: Scott Sipe
Cc: freebsd-questions@freebsd.org
Subject: Re: Softupdates Question
On Tue, Jun 28, 2005 at 03:40:41PM -0400, Scott Sipe wrote:
Hi,
At work we're running some rather old accounting software that tells
us to disable oplocks and all caheing on our file server (and our
clients)--Samba/FreeBSD isn't officially supported (the only
platforms that are are Windows Server and Novell--yes, it's old) but
we've been running fine on this configuration.
The software is sensitive to data caching issues etc, and corruption
is occasionally an issue.
I have all oplocks disabled for the share in samba, and at the moment
I have softupdates disabled on the accounting software mount.
My question is, does activating softupdates add any risk of data
loss? My guess is no, but I've wanted to play it safe. Our other
samba shares all have softupdates enabled and do fine, and speed is
becoming somewhat of an issue.
No there's no risk of data loss.
Yes, there is!
Softupdates guarantees a consistent state of meta data. But there
is a chance of losing a lot of recent file data changes.
An other problem is, that Softupdates cannot know how much data
is still in the hard disk's cache and not yet written back.
I think it cannot easyly be answered, if it is better in this
special configuration to run with or w/o Softupdates.
Norbert
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