Re: [Nolug] NAS

From: Petri Laihonen <pietu_at_weblizards.net>
Date: Sun, 11 Apr 2010 15:12:42 -0500
Message-ID: <w2waba7188b1004111312gb42120edi7b6dc9f83d0fa978@mail.gmail.com>

I have been eying Qnap. (http://www.qnap.com/Products.asp) I've set up one
some years back and heard compliments from elsewhere.

P

On Sun, Apr 11, 2010 at 11:53 AM, Jerry Wilborn <jerrywilborn@gmail.com>wrote:

> http://www.bacula.org/en/ + http://www.drobo.com/
>
> <http://www.drobo.com/>Woo!
>
> Jerry Wilborn
> jerrywilborn@gmail.com
>
>
> On Sat, Apr 10, 2010 at 11:05 PM, Shane Russo <russo.shane@gmail.com>wrote:
>
>> I think my needs will be more reading. I plan on storing IISO of software
>> and pictures and some word docs and such. This is for in home use for
>> backups and organization. I have 2 1 TB drives that are quickly filling up
>> with DVD backups and home movies. Eventually I would like to build a second
>> box and have it replicated offsite somewhere. The problem comes in how do
>> you backuo 3-8 TB of data?
>>
>>
>> Thanks,
>>
>> Shane Russo
>>
>>
>>
>> On Sat, Apr 10, 2010 at 10:54 PM, Ron Johnson <ron.l.johnson@cox.net>wrote:
>>
>>> On 2010-04-10 22:32, John Souvestre wrote:
>>>
>>>> Hi Shane.
>>>>
>>>>
>>>> It depends on what you do most – read or write. It also depends on the
>>>> size of the data blocks you are reading. For small blocks the disk access
>>>> time is important and being able to get all of the data from just one drive
>>>> access (Raid 1) is a big advantage. Indeed, with Raid 1 you can get all of
>>>> the data from either drive, thus allowing you to overlap reads.
>>>>
>>>>
>>> Note also that there are two kinds of orthogonal reads and writes: length
>>> (short, long) and "direction" (sequential and random).
>>>
>>> BITD (back in the day) RAID5 was faster than RAID1 in long sequential
>>> reads because of parallelism (lots of disks and lots of controllers) but
>>> RAID1 was faster at short reads and random short. (Random long doesn't
>>> really make sense.)
>>>
>>> Nowadays with capacities so enormous, it's hard to say what the
>>> performance of SATA drives would be.
>>>
>>> --
>>> Dissent is patriotic, remember?
>>>
>>> ___________________
>>> Nolug mailing list
>>> nolug@nolug.org
>>>
>>
>>
>

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