Of course, ignore my previously wrong use of the word Principle vs. principal in my Sig... which is now corrected due to someone with eyes sharper than mine. :-) mmmmmmmm.... crow do taste good. RF Robert G. Freeman Oracle Consultant/DBA/Author Principal Engineer/Team Manager The Church of Jesus Christ of Latter-Day Saints Father of Five, Husband of One, Author of various geeky computer titles from Osborne/McGraw Hill (Oracle Press) -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Robert Freeman Sent: Wednesday, May 02, 2007 11:23 AM To: bdbafh@xxxxxxxxx; mccdba1@xxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: RE: ASM and Data guard?? It amazes me how many people do not even KNOW where the docs are, much less fail to look at them once in a while. Also, for the OP, SPELL CHECK!! Cheers!! RF Robert G. Freeman Oracle Consultant/DBA/Author Principle Engineer/Team Manager The Church of Jesus Christ of Latter-Day Saints Father of Five, Husband of One, Author of various geeky computer titles from Osborne/McGraw Hill (Oracle Press) -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Paul Drake Sent: Wednesday, May 02, 2007 9:10 AM To: mccdba1@xxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: ASM and Data guard?? On 5/2/07, dba1 mcc <mccdba1@xxxxxxxxx> wrote: > Recentlt I have interview and two questions I may need > your opinion on it. > > 1. what is difference between ASm and hardware RAID? > Pro/con. > > 2. What is major difference on Physical standby and > logical standby on 10G data guard? > > Thanks. > The differences are: 1. Their respective documentation resides in separate files 2. Their documentation resides in the same file Start here. I'll be quite interested to read what you discover. http://download-east.oracle.com/docs/cd/B19306_01/server.102/b14239/standby. htm I have to admit that I believe that you've posted an unbelievable lazy question. If Mladen were on the list I would just wait for his reply. Paul -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l