[kwlug-disc] (Home) External Storage?

Colin Mackay zixiekat at gmail.com
Thu Aug 6 11:23:04 EDT 2009


I just have a mirrored set of 1 Tb drives, with an external 1 Tb USB
that data gets rsynced to. No issues with RAID 5 corruption, and in
case of emergency, I just grab the 1 Tb and run. If you need more
space, they have 2 Tb drives. This set up is robust, but out of three
1 Tb drives, I only get 1 drive of actual usable space. I have had
enough data loss with RAID 5 over my life. If you use RAID 0, 5 or 6,
remember to keep reliable backups!

Just my two cents. (Again)

On 8/6/09, Andrew Sullivan Cant <acant at alumni.uwaterloo.ca> wrote:
> When I setup my DNS-323 I setup a daily sync between the two drives instead
> of RAID.
>
> There were several discussion threads that talked about this and the general
> conclusion was that if you did not need 24x7 reliability then the
> nightly-sync was better.
> - No possibility of corruption due to RAID
> - No RAID problems if one drive fails and need to be replaced
>
> Other RAID hardware may be more reliable of course.
>
> Andrew
>
> ----- Original message -----
>> <sigh> Only two bays. Thus, no RAID 5.
>>
>> Really wouldn't want to limit myself to 2 bays. Especially when trying
>> to migrate to a higher capacity drive.
>>
>> Not certain how important RAID 5 is though. It is cheaper if you're
>> RAIDing and have 2 data drives, which is to say, 3 (2+parity) drives
>> total. And costs go down as you increase the # of drives. And would
>> gain hot swapping. Would guard against hardware failure.
>>
>> Or, buy 2 units and sync. every night. Would add guarding against user
>> failure, for 24 hours at least.
>>
>> Raul Suarez wrote, On 08/06/2009 1:49 AM:
>> > When I went to check at Canada computers I came across this one
>> >
>> > http://www.canadacomputers.com/index.php?do=ShowProduct&cmd=pd&pid=024809&cid=NT.791
>> >
>> > Which seems to be also Linux based.
>> >
>> > I got curious and found this review.
>> >
>> > http://www.cluboverclocker.com/reviews/networking/NAS/Patriot/Corza/p1.asp
>> >
>> > --- On Thu, 7/30/09, Gary Walsh <gwalsh at notw.ca> wrote:
>> >
>> > > From: Gary Walsh <gwalsh at notw.ca>
>> > > Subject: Re: [kwlug-disc] (Home) External Storage?
>> > > To: "KWLUG discussion" <kwlug-disc at kwlug.org>
>> > > Received: Thursday, July 30, 2009, 11:34 PM
>> > > On Thu, 2009-07-30 at 21:28 -0400,
>> > > unsolicited wrote:
>> > >
>> > > > So, multi-bay external net connected storage. Ideas?
>> > > Suggestions?
>> > > > Experiences?
>> > > I am happy with a Dlink DNS323 (http://www.dlink.ca/products/?pid=509)
>> > > (http://www.canadacomputers.com/index.php?do=ShowSearchList)
>> > > .  It is
>> > > linux based. Drives are ext2 formatted.  There is 3rd
>> > > party software
>> > > that you can install on it. See the DNS323Wiki here:
>> > > http://wiki.dns323.info/.  If you get one, make
>> > > sure you have the latest
>> > > firmware before you put anything on it.
>>
>>
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