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Date:      Sun, 07 Nov 2004 10:38:52 -0600
From:      Joe Koberg <joe@osoft.us>
To:        secmgr <security@jim-liesl.org>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: freebsd 5.3 have any problem with vinum ?
Message-ID:  <418E4F9C.4070109@osoft.us>
In-Reply-To: <1099805316.4420.2.camel@emperor>
References:  <02f201c4ba91$f9f95db0$33017f80@psique> <20041103031316.A95136@titus.hanley.stade.co.uk> <41893F4D.6090702@jim-liesl.org>  <200411061309.11883.msch@snafu.de> <1099805316.4420.2.camel@emperor>

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secmgr wrote:


>No, I mean self corrupting raid5 sets during initialization.  Discussed
>about 2-3 weeks ago.
>  
>
In the following message you seemed to claim that adding 64 sectors of 
slack to the
beginning of the vinum partition fixed this problem, as I suggested. Did 
that fix it or not?


> 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 



Joe Koberg
joe at osoft dot us






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