Re: Agami



On Fri, 25 Apr 2008 15:51:24 +0000 (UTC), Cydrome Leader


Panasas and Isilon are both considered enterprise class storage and

by who, pansasa and isilon?

www.panasas.com
www.isilon.com

Used heavily in media, oil & gas, movie studio, and chip design.


both use SATA. There's nothing wrong with SATA if you understand the
limitations and do not expect it to perform outside of them.

"enterprise" stuff should not have limitiations like flakey drives, or the
only selling point is it costs "less" than something else.

What would one call a storage system made with first rate drives, like SAS
or FC? Enterprise Plus, Enhanced Enterprise, Synergy System XP5000
Extended?

Enterprise class storage is self-defined unless you want the vendor to
define it for you. For instance, enterprise class might be anything
where the *data* is protected by N mechanisms, regardless of the
underlying drives. If I can tell a system to triple mirror certain
directories, mirror others, and raid 5 the rest across N storage
bricks, that to me is pretty enterprise. I might not care what the
physical drives are since the *system* is extremely protective.

Read up on the spec's for the above mentioned vendors for some
additional info.


SATA is second rate storage, and may be suitable for massive amounts of
stuff you want to access without fetching a tape. That's really about it.

It might be ok in a workstation as well. I finally trust it enough to use
in my workstation, although with a RAID controller.

I think you're confusing "storage" with "drive". They are no longer
synonymous and have not been for about a decade.


agami is multi-protocol, very dense, high throughput, has some
apparently nice features like replication and snapshots, etc. I would

Do any of these features work? I can't find a single story of anybody
using anything from agami.

I have no idea. That's the point of an eval, to determine what works,
what doesn't, and what you care about. The OP asked about the system,
no one really knows, so I told him to eval it if the spec's fit his
requirements.

~F
.



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