[ale] Backup strategies

Stephen Benjamin skbenja at gmail.com
Fri Sep 12 14:42:24 EDT 2008


A dell PowerVault 122T costs as little as $300 -- plus $25/tape or so.

500GB would take 2-3 tapes depending on compression levels.

Seems more economical to me than using portable hard drives.

2008/9/12 Pat Regan <thehead at patshead.com>

> Chris Fowler wrote:
> > Chris Kleeschulte wrote:
> >>
> >> I am not crazy about using tapes or having a service come and gather
> >> the tapes.
> >>
> > Why are people so against tapes?  It is cost?  Is it sequential access
> > to data?
>
> My biggest problem with tape is the the rarity of tape drives.  If you
> only have 500 gig of data to backup then buying that first tape drive is
> likely a pretty big expense for your IT department.  If that is already
> the case it will be very difficult to buy a second drive to store at
> another location.
>
> If disaster strikes where I live there are no local vendors who sell
> tape drives.
>
> At 500 gig, you can buy a machine full of enough disks to store your
> backups off-site for less than the cost of the second tape drive.
>
> > It has been a long time since I used tapes.  The primary reason, is that
> > I just don't have that much data to backup.
>
> For backing up small amounts of data I have become a HUGE fan of flash.
>  I've had a pretty good confidence level ever since I put an old CF card
> through the washer and dryer in my pocket.  They are durable, shock
> resistant, and heat resistant.
>
> As with any media, never trust only having a single backup :).
>
> Pat
>
>
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