Everyone likes the drobo roboticized virtual RAID concept but it is
expensive by the time you have bought the drives... and if you read the
reviews:
http://review.zdnet.com/external-hard-drives/drobo-second-generation-2tb/4505-3190_16-33142477.html
http://bigpcgeek.com/blog/2008/02/01/data-robotics-drobo-review/
http://reviews.cnet.com/external-hard-drives/drobo/4864-3190_7-32470303.html?messageID=2470677
its reliability is problematic and it is not offsite so for both
reasons it can't be used professionally without the tape backup or
other archiving protection.
So what real solution does it provide re: time/ money? Why not just use
the money to pay for a fast commercial online backup/ filesharing
service and leave the driving totally to someone else?
Can anyone using such a service comment?
db
mike wrote:
This is what I was thinking...an inexpensive RAID solution. Or if you have
a little more cash, Drobo. www.drobo.com
Drobo is a RAID box that handles all the pesky RAID stuff for you, allowing
you to put any size hard drives in the box. Most RAIDS need same size HD's
across the board. So if you already have some HD's laying around, you just
need the box. I've not heard anything negative about what they are doing.
Mike
On Thu, Aug 14, 2008 at 12:18 PM, Snyder, Mark (IT CIV) <[EMAIL PROTECTED]
wrote:
About 2-3 years ago, I worked on a proposal for Gov't Printing Office.
Even by then, organizations with large storage needs learned to
distinguish between on-line with quick access (very fast SAN/RAID with
10-15K RPM Enterprise disks) and online storage that was still mostly
enterprise quality, but slower and cheaper as a second-tier form of
storage.
For simpler needs, 1.5 TB capacity disk drives are available. Might
make a nice middle layer between fast-access and archive/backup.
Thank you,
Mark Snyder
-----Original Message-----
Typical use of the terms by storage experts is along these lines:
Online. Files accessible immediately. Could be local, could be a
network
drive, could be a SAN, could be on a web page, but immediately
accessible
without any other steps.
Archived. Not immediately accessible. Requires some step to make it
accessible. Again, could be stored on almost any kind of media, from
tape
to DVD to hard drive to SAN to whatever. A request is made to make the
archived files or data sets available online for a period of time, so
the
user can access them. Offloads files which are no longer accessed
regularly, reducing load on the online file storage systems.
Backup. A copy of some files or data sets that can be used to restore
the
originals in case of a problem. Orthogonal to the first two.
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