Re: Mirror Server
From: Michael DeMan (michael_at_staff.openaccess.org)
Date: 06/02/03
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Date: Mon, 02 Jun 2003 09:20:44 -0700 To: Wolfpaw - Dale Corse <admin-lists@wolfpaw.net>, Thomas Dwyer <tom@dwyers.ca>, <freebsd-isp@freebsd.org>
What is your performance with this? I've seen awful performance with rsync
and big file systems. We've thought of adding the flag to only check the
file modification date to help reduce this.
- mike
On 6/2/03 8:33 AM, "Wolfpaw - Dale Corse" <admin-lists@wolfpaw.net> wrote:
> Hi Tom,
>
> I use this to mirror one of our servers to another disk in
> the same machine. How we did it was we installed FreeBSD on
> that disk in another machine, and then put it in the main
> server.. now we just run this script periodically, and
> we have a backup solution :)
>
> Hope it helps :)
> D.
>
> #!/bin/sh
> # Rsync Backup Script
>
> export PATH=/usr/local/bin:/usr/bin:/bin
> LIST="bin dev etc lib mnt sbin usr boot dbu home root tmp var"
>
> echo "Copying files.."
> #Loop thru the list
> for d in $LIST; do
> echo -n "... COPYING: /$d/"
> /usr/local/bin/rsync --delete -ax /$d/ /disk2/mirror/$d/
> echo " "
> done
>
> echo "Backup Complete .. Exiting."
>
> --------------------------------
> Dale Corse
> System Administrator
> Wolfpaw Services Inc.
> http://www.wolfpaw.net
> (780) 474-4095
>
>> -----Original Message-----
>> From: owner-freebsd-isp@freebsd.org
>> [mailto:owner-freebsd-isp@freebsd.org]On Behalf Of Thomas Dwyer
>> Sent: Monday, June 02, 2003 8:01 AM
>> To: freebsd-isp@freebsd.org
>> Subject: Mirror Server
>>
>>
>> Hello;
>>
>> I would like to setup a backup server to replace the main
>> server should a disaster occur. I have experimented abit
>> with rsync and it looks like it would do the job.
>>
>> My question is; what files or binaries should not, or
>> cannot be replicated? Obviously the kernel should be separate.
>>
>> I want to be able to take the backup, plug it in where the
>> primary was, change the IP and everything would be as it
>> was up until the point of the last rsync.
>>
>> Thanks
>> Tom
>> _______________________________________________
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>
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>
Michael F. DeMan
Director of Technology
OpenAccess Internet Services
1305 11th St., 3rd Floor
Bellingham, WA 98225
Tel 360-647-0785 x204
Fax 360-738-9785
michael@staff.openaccess.org
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