Raid one
Karl Larsen
k5di at zianet.com
Tue Aug 14 23:45:07 UTC 2007
Jeffrey Ross wrote:
>
>
> Karl Larsen wrote:
>> I did a Goggle search and found Linux Journal, Home, RAID-1, Part
>> 1 and 2 by Joe Malmin and Ron Shaker, 2002-08-13 and I have read it
>> like a book once. It talks to the raid-1 being a superior way to back
>> up your computer. I learned that raid mirrors partitions not hard
>> drives. You can use any two hard drives or even the same hard drive!
>> I plan to make a raid 1 using the two hard drives I have in this
>> computer right now :-)
>>
>> One is a 30 GB and this is a 160 GB but f7 is in a partition of 12
>> GB. So I can make a 12 GB partition on the 30 GB HD and make a raid 1
>> system between /dev/hda2 and /dev/hdb5.
>>
>> The book says if /proc/mdstat exists, you have raid support in
>> your kernel. I do :-)
>>
>> The book set up raid 1 on Red Hat 7 and Debian Potato with the
>> early kernels 8-)
>>
>> It appears I can use the method shown to make a /usr raid 1. I
>> have /usr backed up on my 9 GB USB device. But the author suggests
>> you put a copy of /usr on /var/. We will use mkraid which I find I
>> do not have. Perhaps I can yum it to my system. Perhaps there is a
>> newer tool?
>>
>> So like all writing it is dated and old just a couple of years
>> later. Instaed of using #init 1 so that /usr can be un-mounted, I
>> think using the rescue mode of the f7 dvd will be easier. Then f7
>> will be off :-)
>>
>>
>
> Karl,
>
> I posted a message about converting a running Fedora 7 system from a
> single disk to a RAID-1 system on June 30th, I listed out the steps I
> followed. I did however use 2 identical disks. The subject of the
> message was "RAID gotchas!"
>
> Jeff
>
Hi Jeff, I deleted that message several weeks ago. My earliest is
8-3-2007. If you could send me your email I would be glad to see it :-)
--
Karl F. Larsen, AKA K5DI
Linux User
#450462 http://counter.li.org.
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