My favorites | Sign in
Project Home Downloads Wiki Issues Source
READ-ONLY: This project has been archived. For more information see this post.
Search
for
  Advanced search   Search tips   Subscriptions
Issue 30: Disk types, cost and performance
1 person starred this issue and may be notified of changes. Back to list
 
Project Member Reported by sandeepksinha, Jan 12, 2009
Hi Guys,

Let start will all the disk types and its performance and price metrics.

http://www.storagesearch.com/bitmicro-art3.html

We should discuss here about,
1. RAM disks
2. SSD
3. Rotating Disks
4. Tapes

Please share your knowledge here....

Jan 14, 2009
Project Member #1 sandeepksinha
(No comment was entered for this change.)
Cc: -fscops -sandeepksinha -sandeepksinha -checkout.vineet -imreckless -rohitvashist2kk3 -postrishi -bharati.alatgi
Aug 26, 2009
#3 ptiggerd...@gmail.com
Hi,

I have no coding skills to mention, but I'm interested in helping with the
documentation and testing if that helps.

I would think that Rotating disk might need to be spilt into a couple categories like
SCSI and SATA as there is still quite a difference in cost.

The costs here are not be taken as word.

Rotating Disk.
SCSI disk assuming you look purely at disk cost (minus - power and chassis) is circa
2.50/Gb
SAS 15K 147Gb disk assuming you look purely at disk cost (minus - power and chassis)
is circa $3/Gb

Tapes:
T10000 Tape (minus power and drive itself) is $1/gb

Hope this helps.

Aug 27, 2009
Project Member #4 sandeepksinha
ptiggerdine,
Appreciate you help. And thanks a lot for the information. I shall keep in mind the same.
Aug 27, 2009
Project Member #5 greg.fre...@gmail.com
We should get this moved to a sourceforge page or standalone doc if we want to track it.

I priced some iSCSI arrays at the start of the summer.  They used 1TB sata drives
internally.  For raid 5 or 6, they came in at about $1000/TB.  I believe NetApp would
be in that range or higher as well.

Aug 27, 2009
Project Member #6 greg.fre...@gmail.com
Oh and I forgot to say LTO-4 media is about $50.  That is 800GB / 1600 GB officially.

The few LTO-4 tapes I worked with that were full had about 1.2 TB on them.  So $0.05
/ GB.  LTO is the preferred Enterprise backup tool today.

SATA is closer to $0.10 / GB today.  The small ratio (2:1) is another reason I don't
have any desire to attack tape.
Aug 28, 2009
#7 ptiggerd...@gmail.com
Greg,

Agreed. LTO for archiving is the standard. T10000 thou are by far quicker in terms of
tape performance and I'm sure we can all agree that for a HSM solution speed does
count when you're pulling a file transparently from a tape solution.

Sourceforge idea sounds great.

Regards,

Peter Tiggerdine

Powered by Google Project Hosting