[wplug] Thoughts on a Storage System

[tom.grove at nepinc.com]

It looks like EVMS has been discontinued. According to the Wikipedia  
article IBM stopped work on it shortly after LVM was included in the  
mainline Linux kernel. The webpage shows that the last release was  
sometime in 2006.

OpenFiler seems like a great product. One could use relatively cheap  
hardware and have an open-source software platform that would seem to  
have fairly good support. I'm probably going to take a look at this  
myself as I am in a similar situation to Michael.

One thing to keep in mind though is backup cost. Once one starts  
getting into 10s of TB of storage backups will become extremely slow.  
So, I wonder if anyone has some insight into backing up data like that  
using tools such as FreeNAS or OpenFiler?  My guess would be two  
OpenFiler systems that are connected via Gigabit ethernet or fiber  
that have the same specs. One for production and one to back it up.

Tom

On May 19, 2009, at 9:42 PM, DK <wplug at curlynoodle.com> wrote:

> Mike,
>
> My knowledge of large scale storage is rather limited.  So I decided
> to attempt to educate myself.
>
> Have you seen EVMS, http://evms.sourceforge.net/?
>
> Dave
>
>
> On Tue, May 19, 2009 at 4:18 PM, Michael Semcheski
> <mhsemcheski at gmail.com> wrote:
>> On Tue, May 19, 2009 at 3:26 PM, Michael Skowvron
>> <michaels at penguincentral.org> wrote:
>>> Why are you looking for a distributed data solution? I'm curious  
>>> why a traditional or
>>> monolithic shared or clustered storage system does not fit your  
>>> needs.
>>
>> I thought of another way of answering this. �In the end, what I  
>> need
>> is a system that allows me to use lots of hard disks through a  
>> unified
>> interface. �Its either going to require hardware and fancy softw 
>> are,
>> or fancy hardware and software. �Given those two options, especi 
>> ally
>> if there is an open source software solution, the fancy software is
>> going to be better bang for the buck.
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