[Cialug] suggestions on HDD based backup

[Dave Hala Jr]

I actually do this. I do a full nightly backup and mirror the backup
offsite. 

:) Dave


On Thu, 2010-04-15 at 18:27 +0000, Josh More wrote:
>  And right here is the point of concern:
> 
> "Explaining it now, it now seems like overkill to take the nightly
> backup off site since there will be a remote mirror of the data, but
> I'd rather be over-prepared than under-prepared."
> 
> Yes, it is better to be over-prepared than under-prepared.  However,
> by requiring the off-site component to be a movable hard drive, you
> are drastically limiting your options.  If you split up the
> requirements:
> 
> 1) Ability to restore to "point in time" where POT is a nightly backup
> stored for two weeks.
> 2) Ability to store backup sets offsite
> 
> You can put in a backup server or NAS that stores multiple backup sets
> and then mirror these sets off site.  If you like, you can also mirror
> these to a USB/SATA drive and pull that offsite occasionally... but
> the former alone would meet the criteria.
> 
> It is worth noting that NO backup solution will be admin-free.  You
> cannot rely on the system to notify you in case of failure, as a
> failure could also fail to send the notifications.  The NAS issue
> mentioned earlier in this thread would have been resolved if someone
> had checked for success on a daily basis.  Most other mirroring /
> backup set issues can be caught by spending 5m a day making sure it's
> working OK.
> 
> 
> -Josh More, CISSP, GIAC-GSLC, GIAC-GCIH, RHCE, NCLP
> morej at alliancetechnologies.net 
> 515-245-7701 
> 
> 
> ______________________________________________________________________
> From: cialug-bounces at cialug.org [cialug-bounces at cialug.org] on behalf
> of Tim Champion [timchampion at gmail.com]
> Sent: Thursday, April 15, 2010 13:25
> To: Central Iowa Linux Users Group
> Subject: Re: [Cialug] suggestions on HDD based backup
> 
> 
> 
> On Thu, Apr 15, 2010 at 12:52 PM, Eric Junker <eric at eric.nu> wrote:
>         On 4/15/2010 11:27 AM, Tim Champion wrote:
>         > We are planning on going to a hard drive based backup system
>         at work. We
>         > are a non-profit on a tight budget (I can spend about $1500
>         on this
>         > total), so a enterprise level disk-to-disk system isn't
>         feasible. The
>         
>         
>         How many computers are you backing up? How much storage space
>         do you need?
>         
>         If you want something that works right out of the box I would
>         suggest
>         something like the Drobo FS http://www.drobo.com/ You do pay a
>         premium
>         for the ease of use. Instead of swapping drives for off-site
>         backup you
>         could use a network based backup like Mozy
>         http://mstorageozy.com or manually
>         backup to Amazon S3.
>         
>         If you want more of a traditional NAS device, I've heard good
>         things
>         about QNAP http://www.qnap.com/
>         
> 
> I've looked into many of the online backup services. Our total backup
> need right now is about 500GB, so the online services like mozy start
> getting really expensive. Mozy charges 50 cents per GB per month,
> which would be $250 per month. So, that pretty much rules that out.
> 
> We are already planning to do a site-to-site data sync between
> Marshalltown & Ames, but that will be a live sync, and would not
> protect against accidental deletion. We've all heard the horror
> stories of places using mirroring or something like a live sync and
> then losing data anyway because they did not have a "real" backup. The
> piece I'm specifically looking at is the nightly backup so we have at
> least 2 weeks of history of our data. Explaining it now, it now seems
> like overkill to take the nightly backup off site since there will be
> a remote mirror of the data, but I'd rather be over-prepared than
> under-prepared.
> 
> Tim Champion
> timchampion at gmail.com
>   
> 
> 
> 
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