[ale] raid suggestions

[Jeff Hubbs]

So tell us about the Linux box, which I assume has been and will 
continue to be a fileserver.  Number/size of drives; disk controller 
complement.

On 2/10/12 2:55 PM, Geoffrey Myers wrote:
> Jeff Hubbs wrote:
>> So we've all gone down all these different roads and we still don't have
>> the hardware/usage story from the OP?
> Well, now it's changed substantially. :(  Initially, was planning on
> replacing existing file server with better hardware.  Now they tell me
> they are purchasing an application, which of course, only runs on
> windows, thus they need the new server to run windows.  Just the same,
> the client has about 15 desktop machines that connect to an (existing)
> Linux box for sharing documents.
>
>> On 2/10/12 1:01 PM, Pat Regan wrote:
>>> On Fri, 10 Feb 2012 04:44:38 -0500
>>> Jim Lynch<ale_nospam at fayettedigital.com>   wrote:
>>>
>>>> Has the concern about the possibility of the hardware controller
>>>> breaking and being out of production been eliminated?
>>> Whether the card is out of production or not may not matter much in the
>>> middle of the day when the controller decides to fail.  You'll still
>>> either have to own a spare or you'll have to be able to actually
>>> purchase one nearby.  Depending on your scale, buying that spare may be
>>> a sizable amount of your server budget.
>>>
>>> Almost all the arguments I've seen in favor of using hardware instead of
>>> software RAID are either completely untrue or were a true for a short
>>> window around 10 years ago.
>>>
>>>> That of course can be alleviated by proper backups.  I always thought
>>>> that was somewhat meaningless in a lot of cases 'cause I'd think many
>>>> raid installations were to support a backup set of drives.  Not all,
>>>> of course, but surely that's a common purpose for a raid set.
>>> RAID is not a replacement for backups.  Your RAID only helps protect
>>> you from disk failures and reduce the risk of downtime.  It won't
>>> protect you from many kinds of data corruption or from user error.
>>>
>>> Pat
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>