Richard, Tim,
yes, one might envision the X4275 as OpenStorage appliances, but
they are not. Exadata 2 is
- *all* Sun hardware
- *all* Oracle software (*)
and that combination is now an Oracle product: a database appliance.
All nodes run Oracles Linux; as far as I understand - and that is not
sooo much - Oracle has offloaded certain database functionality into
the storage nodes. I would not assume that there is a hybrid storage
pool with a file system - it is a distributed data base that knows to
utilize flash storage. I see it as a first quick step.
hth
-- Roland
PS: (*) disregarding firmware-like software components like Service
Processor code or IB subnet managers in the IB switches, which are
provided by Sun
Richard Elling schrieb:
On Sep 24, 2009, at 10:17 AM, Tim Cook wrote:
On Thu, Sep 24, 2009 at 12:10 PM, Richard Elling
<richard.ell...@gmail.com> wrote:
On Sep 24, 2009, at 12:20 AM, James Andrewartha wrote:
I'm surprised no-one else has posted about this - part of the Sun
Oracle Exadata v2 is the Sun Flash Accelerator F20 PCIe card, with 48
or 96 GB of SLC, a built-in SAS controller and a super-capacitor for
cache protection.
http://www.sun.com/storage/disk_systems/sss/f20/specs.xml
At the Exadata-2 announcement, Larry kept saying that it wasn't a
disk. But there
was little else of a technical nature said, though John did have one
to show.
RAC doesn't work with ZFS directly, so the details of the
configuration should prove
interesting.
-- richard
Exadata 2 is built on Linux from what I read, so I'm not entirely sure
how it would leverage ZFS, period. I hope I heard wrong or the whole
announcement feels like a bit of a joke to me.
It is not clear to me. They speak of "storage servers" which would be
needed to
implement the shared storage. These are described as Sun Fire X4275 loaded
with the FlashFire cards. I am not aware of a production-ready Linux
file system
which implements a hybrid storage pool. I could easily envision these as
being
OpenStorage appliances.
-- richard
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