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Date:      Thu, 03 Jun 1999 09:42:19 +1000 (EST)
From:      Keith Anderson <keith@apcs.com.au>
To:        Craig Johnston <caj@lfn.org>
Cc:        freebsd-isp@FreeBSD.ORG
Subject:   RE: redunancy without RAID
Message-ID:  <XFMail.990603094219.keith@apcs.com.au>
In-Reply-To: <Pine.GSO.3.96.990602155911.20098A-100000@jane.lfn.org>

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Dear Craig,

One word on this as I was doing backups the same way. 

During a backup I had the UPS shutdown without warning.

I lost the main file system and the backup underway. Its a good idea to rotate
backups.


Keith



On 02-Jun-99 Craig Johnston wrote:
> 
> An ISP I work for is about to move from Solaris to FreeBSD.  
> 
> I wanted to provide some redundancy for the filesystems, but we're
> working on a limited budget and probably can't go for hardware RAID.
> 
> I was envisioning using ccd to stripe and mirror (we'd like a speedup as
> well as redundancy) all the non-root filesystems and having 2 identical
> root filesystems on 2 different disks, with the one in use being dd'ed
> or dumped to the other one nightly.  The duplicate would be left
> unmounted when not in use.
> 
> Is vinum to the point where I should use it instead?  I've yet to
> actually use ccd, any caveats?  Would it be possible to handle things
> in such a way that if a non-root disk dies, the system continues to
> run, or at least reboots unattended and comes up working?  What
> about a root disk?  If some amount of coding would be required,
> I'm up to it, but I'm not intimately familiar with FreeBSD's
> innards.
> 
> Is there a cheap RAID solution that works well?  
> 
> 
> 
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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"The box said 'Requires Windows 95, NT, or better,' so I installed FreeBSD."

**  The thing I like most about Windows 98 is...
**  You can download FreeBSD with it!

----------------------------------
E-Mail: Keith Anderson <keith@apcs.com.au>
Australia Power Control Systems Pty. Limited.
Date: 03-Jun-99
Time: 09:38:26
Satelite Service 64K to 2Meg
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