As with anything I suppose, if a single vendor can be
in control of more of the stack between application
and physical server structure then there is a greater
opportunity for benefits. For example, ASM offers the
ability to add disks to a stripe without needing to
redistribute(reload) the entire stripeset.
A (bug-free) ASM product looks very very impressive to
me. Time will tell how close Oracle are to achieving
it.
hth
connor
- ryan_oracle_at_cox.net wrote: > no ASMs are
considerably different. Its supposed to
> manage everything. You dont give it a file, you give
> it entire disks and oracle does everything. Sets up
> files, manages, I/O, everything.
>
> you only look at the tablespace level. you dont even
> install any software on it. If your on SAN, you dont
> install SAN software on it.
> >
> > From: "Goulet, Dick" <DGoulet_at_vicr.com>
> > Date: 2003/12/19 Fri AM 09:14:27 EST
> > To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> > Subject: RE: 10g new features question for beta
> testers
> >
> > That is not exactly a new feature. Oracle 9i has
> Oracle Managed Files where you give it a directory
> and then just build tablespaces. The database picks
> the filenames for you. Now mind you it does work,
> but I'll be damned if I use it in anything other
> than a development environment. For some reason
> Oracle has never gotten over that DUMB SAME (Stripe
> And Mirror Everything) idea. The concept is great
> in theory, but in practice it's absolutely abysmal
> at best.
> >
> > Dick Goulet
> > Senior Oracle DBA
> > Oracle Certified 8i DBA
> >
> > -----Original Message-----
> > Sent: Friday, December 19, 2003 8:24 AM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > I saw a presentation from Oracle on 10g new
> features last night in Reston,VA. I know atleast one
> other person from the list was there. Since Oracle
> is releasing details and its going to be released(in
> theory) in the next 2 weeks, I was wondering if you
> guys could talk about it.
> >
> > 1. does ASMs work as well as Oracle claims? I
> always wonder about first generation features...
> takes most software vendors a couple of generations
> to get it right(takes any project Im on just as
> long). This is a radical departure.
> >
> > for those of you who dont know. Oracle claims that
> they will manage your disks for you. All you do is
> give Oracle some Raw Disks and Oracle will set up,
> and handle all your datafiles. All you do is look at
> logical tablespaces. It will also handle I/O
> balancing.
> >
> > How well does this work? Anyone test it with a
> SAN?
> >
> >
> > 2. RAC Load Balancing. Oracle claims that you only
> need Oracle software from now on. They also claim
> that you can load balance multiple applications.
> Lets say you have One application that runs batch
> loads over night and a transactional application
> during the day.... oracle will automatically steal
> resources from the other when its not busy...
> >
> > anyone test this?
> >
> >
> > 3. Flashback database. Kyte was the presenter and
> he said that you can keep massive undo areas, so
> that if you have a failure or delete data you
> shouldnt have you can have oracle automatically
> write the DML necessary to bring it back to any
> point in time. Kyte said that regular EIDE hard
> drives that you put in home PCs are plenty fast
> enough for most systems. He recommends getting 4 300
> GB drives(1.2 TBs) for about $1400 to do this and to
> make tape backups off of this since they are really
> slow.
> >
> > Can any beta testers comment?
> >
> > Im pleased with the rename tablespace feature...
> that way I dont have to update TS$ anymore... I
> wonder if it was our complaining that got them to
> add it :)
> >
> > --
> > Please see the official ORACLE-L FAQ:
> http://www.orafaq.net
> > --
> > Author: <ryan_oracle_at_cox.net
> > INET: ryan_oracle_at_cox.net
> >
> > Fat City Network Services -- 858-538-5051
> http://www.fatcity.com
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> >
>
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> > Author: Goulet, Dick
> > INET: DGoulet_at_vicr.com
> >
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Received on Fri Dec 19 2003 - 09:34:27 CST
