[K12OSN] New Building's LTSP Server

Gianugo Altieri gianugo.altieri at gmail.com
Wed Apr 20 06:59:30 UTC 2011

     If you chose Fedora, please note that by using any software RAID 
for the /boot partition, you won't be able, later, to upgrade the system 
using the handy "preupgrade" command. By repetitive use of "preupgrade" 
we are now able to run a K12 over a F14 with no glitches. "preupgrade" 
requires either a hardware RAID for /boot or a single drive partition, 
but won't work on a RAID boot partition. We chose to partition the disk 
so that /boot appears on a single drive and everything else is mirrored 
on RAID1.

     Gianugo Altieri

On 04/20/2011 03:13 AM, Jeff Siddall wrote:
> On 04/19/2011 12:05 PM, Terrell Prude' Jr. wrote:
>>> Also, like I said avoid RAID5 even if you have a real hardware
>>> controller.  The loss of performance and reliability is just not worth
>>> the savings given how large and cheap modern SATA drives are.
>> I am actually a fan of RAID 5 for a lot of situations, as I find it
>> certainly fast enough for my purposes, plenty reliable, and very
>> efficient with storage.  But a RAID 1 or even "RAID 10" setup, depending
>> on the specific situation, would also work well.
> I used to run RAID5 also but after I had a number of RE2 disk failures
> (thankfully never two before the array was rebuilt) and noticed some of
> the related performance problems I went to RAID1.  Have a look here for
> some arguments:
> http://www.miracleas.com/BAARF/RAID5_versus_RAID10.txt
> Jeff
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