Date: Wed, 27 Oct 2004 09:10:39 -0600 From: secmgr <security@jim-liesl.org> To: Marko Raiha <mjraiha@fade.pp.fi> Cc: freebsd-stable@freebsd.org Subject: Re: question on vinum Message-ID: <417FBA6F.7040406@jim-liesl.org> In-Reply-To: <20041027100229.GB6391@daemon.adsl.kpnqwest.fi> References: <200410270027.47092.miha@ghuug.org> <1098855222.15580.81.camel@emperor> <20041027100229.GB6391@daemon.adsl.kpnqwest.fi>
next in thread | previous in thread | raw e-mail | index | archive | help
Marko Raiha wrote: >Hi, > >On Tue, Oct 26, 2004 at 11:33:43PM -0600, secmgr wrote: > > >>... >>when you define the subdisk, don't use the whole drive. Leave at least >>64 blocks unused. >>... >> >> > >Would you mind to tell the reason behind this rule of leaving at least >64 blocks unused? > >Regards, > > The reason is empirically derived. When I created a 7 disk raid 5 set using "len 0" or all the space available, the raid set would be corrupt after initializing. Every time. When I reserved back that extra space, no corruption. (freebsd 4.10-p3) There was a thread on this a few days ago. jim
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?417FBA6F.7040406>