Date: Fri, 15 Jul 2005 09:02:05 +0200 From: "Norbert Koch" <NKoch@demig.de> To: <freebsd@akruijff.dds.nl>, "Scott Sipe" <cscotts@mindspring.com> Cc: freebsd-questions@freebsd.org Subject: RE: Softupdates Question Message-ID: <002301c5890b$1bf4c9c0$4801a8c0@ws-ew-3.W2KDEMIG> In-Reply-To: <20050714145700.GA1716@Alex.lan>
next in thread | previous in thread | raw e-mail | index | archive | help
> -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org]On 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?002301c5890b$1bf4c9c0$4801a8c0>