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Home -> Community -> Mailing Lists -> Oracle-L -> RE: RAC
I meant iFS of course, not iAS!
Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
-----Original Message-----
Sent: Thursday, April 18, 2002 10:53 AM To: Multiple recipients of list ORACLE-L Subject: RE: RAC
I saw this here too, the 9iRAC servers are each about the size of a laptop!
They did a demonstration cluster with OPS with the clustered servers sitting on a table.
I asked a pointed question to one of the presenters re. iAS, whether it uses less memory than it used to when it first came out. It took him a while to answer, finally he just said that it uses less memory server-side, but it still uses a lot.
He didn't mention how much.
Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
Systems Admin & Operations | Admin. et Exploit. des systèmes Technology Services | Services technologiques Informatics Branch | Direction de l'informatique Maritimes Region, DFO | Région des Maritimes, MPO
E-Mail: boivinp_at_mar.dfo-mpo.gc.ca
-----Original Message-----
Sent: Thursday, April 18, 2002 9:38 AM To: Multiple recipients of list ORACLE-L Subject: Re: RAC
Jonathan,
At the seminars I have attended it was pointed out that the :true RAC"
is COMPAQ only. The seminar was hosted by Oracle/Compaq. Compaq RAC
allows multiple CPU's to mount and use/share the same datafiles in a
true RAC configuration. The drives including the os drive are on a SAN
and shared by the CPU's so knowledge is shared. It was pointed out the
new Linux RAC can only share a RAW device and not a datafile. I don't
know if this is true as I have not tried it yet. The speaker at the
seminar said that with other OS's a RAC is like a High Availability (HA)
option, one CPU is doing nothing until the first one fails or you only
run different applications and datafiles on one CPU and other
applications and datafiles on the second CPU. if one fails you have to
mount the datafiles and switch applications to the active CPU.
To use a true RAC you have to use Compaq and I think the market share
of the OS's are not True64, so there are probably not a lot of users of
RAC.
Ron
ROR mª¿ªm
>>> listmail_at_gennick.com 04/17/02 10:18PM >>> I was talking w/someone today, and we realized that neither of us knows of anyone actually using RAC in production. So now I'm curious. Is anyone?
Jonathan Gennick --- Brighten the corner where you are
mailto:jonathan_at_gennick.com
http://Gennick.com * http://MichiganWaterfalls.com *
http://ValleySpur.com
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