[SunHELP] [Q] Any ideal SUN new server come out schedule?

[L]

Thank you for your answer.  we did check our hardware and A1000 use
hardware RAID (mirror, stipe and 5).  The major problem is some ORACLE SQL
statements need take 1 ~ 10 million I/O that take a lot of time.  ALso we
are OLTP ORACLE application, user need response back as soon as
possible.  If transaction run longer than one minute (even a summary
report), is NOT acceptable.


On Tue, 6 Mar 2001, Les wrote:

> 1. Is the poor performance when you are WRITING to the RAID 5 disks?
> 2. Has someone who knows firmware WELL checked that the disks,
>     controllers, etc are up to current & COMPATIBLE levels?
> 3. I'm pretty sure that the A1000 is capable of hardware mirroring and
>     hardware RAID 5.
>     Are you using the hardware features for your disk redundancy or
>     are you doing it in software such as Veritas? or DiskSuite?
>     MOST Especially the RAID 5 areas?
> 4. Have you looked at output of "iostat -x" to see if you have one
>     OR more of your disks under extraordinary load, if possibly you
>     see a ridiculous amount of wait time, or heavy reads & writes are
>     occurring on the same disk or group of disks? Especially if you
>     are following the Oracle model of a disk for a tablespace.
> 
> Sorry to ask all these questions, but an E450 with quads and 2 GB of
> RAM should perform pretty well.  We are running 4 of them in the same
> type of configs with only 2 or 3 processors. We do have some FC/AL
> disk arrays which help, but we also still use some D1000 copper SCSI
> stuff on them.
> Will be waiting for your response.
> 
> Les
> 
> ----- Original Message -----
> From: "L" <leed at chele.cais.net>
> To: <sunhelp at sunhelp.org>
> Sent: Tuesday, March 06, 2001 1:27 PM
> Subject: Re: [SunHELP] [Q] Any ideal SUN new server come out schedule?
> 
> 
> > The E450 we use had 9 insternal HD on 2 control cards .  We also use A1000
> > array.  The HD configure have mirror, stripe and RAID 5.  The tablespaces
> > seperate on different HD.
> >
> > On Tue, 6 Mar 2001, Les wrote:
> >
> > > I'm sure that you have the configuration optimized, but would
> > > like to know - are U running RAID 5 or are U using mirroring?
> > > What kind of storage? Just internal or do U have an external
> > > array of some kind, possibly FC/AL? external SCSI?
> > > (reference the E450 config of course)
> > >
> > >  L wrote:
> > >  >
> > >  > We plan to upgrade our SUN 1000E with SSA 100 Disk array to new SUN
> > >  > server.  This server is dedicate work as ORACLE server and need
> support
> > >  > two to three ORACLE instances (at least 15GB DB each).  We are look
> for
> > >  > four CPU Ultra SPARC III modele and SUN sales person told me it
> should
> > >  > come out on February.  We have been test our database on SUN E450
> (4CPU ,
> > >  > 2GB RAM), it still NOT work well.  The reason is our application does
> NOT
> > >  > write very efficiency and vedor refuse to modify it.  We need high
> speed
> > >  > CPU computer to overcome the software problem.   I heard the SUn
> Ultra
> > > III
> > >  > two CPU model (SUN Fire ??) still NOT ship to customer yet.  Is it
> > >  > true?  Any ideal about 4 CPU schedule?   Our budget will be take back
> at
> > >  > end of June, if we don't buy the new server before that.
> > >  >
> > >  > Thanks
> > >  >
> > >  > _______________________________________________
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