Re: Transaction logging.

[Chris Whisonant <chris.whisonant@xxxxxxxxx>]

Clients don't have to be upgraded. It's transparent to them.

---------------------------------------------------

Thanks,
Chris
Personal Blog: http://cwhisonant.blogspot.com
Work Blog: http://www.bleedyellow.com/blogs/lotusnut


On Mon, Jun 1, 2009 at 2:44 PM, <rob@xxxxxxxxx> wrote:

> Really looking forward to DAOS.  Have to get all those clients upgraded
> first.
>
> Rob Berendt
> --
> Group Dekko Services, LLC
> Dept 01.073
> Dock 108
> 6928N 400E
> Kendallville, IN 46755
> http://www.dekko.com
>
>
>
>
>
> From:
> Chris Whisonant <chris.whisonant@xxxxxxxxx>
> To:
> "Lotus Domino on the iSeries / AS400" <domino400@xxxxxxxxxxxx>
> Date:
> 06/01/2009 02:41 PM
> Subject:
> Re: Transaction logging.
> Sent by:
> domino400-bounces+rob=dekko.com@xxxxxxxxxxxx
>
>
>
> You don't need to do anything different as long as your disk drives aren't
> already experiencing usage/utilization problems. IIRC, Walter said you'll
> see about a 3% hit by starting transaction logging, but you'll probably
> recoup that once you setup DAOS and see the reduced I/O overhead that it
> will likely bring.
>
> ---------------------------------------------------
>
> Thanks,
> Chris
> Personal Blog: http://cwhisonant.blogspot.com
> Work Blog: http://www.bleedyellow.com/blogs/lotusnut
>
>
> On Mon, Jun 1, 2009 at 2:17 PM, <rob@xxxxxxxxx> wrote:
>
> > Went to an IBM & Partner intro to 8.5 last week.  One of the new options
> > we may look at requires transaction logging be fired up.  Most of the
> time
> > when I hear about transaction logging it makes me think of something
> > primarily run in a lab or on a test machine.  Because, they mention
> > keeping your data on one drive and your transaction logs on another
> drive.
> >  Well, my machine has ninety disk drives.  All Raid 5 protected.  Does
> it
> > really make sense to put the transaction log on dedicated disk?  On the
> i
> > that would involve Auxiliary Storage Pools or ASPs.  In theory I could
> > have two ASPs:  Main data in one and transaction logging in the other. I
> > can't imagine it would take more than a few 70gb disks to do transaction
> > logging.
> > Raid sets smaller than 4 drives are known to have serious performance
> > implications.  Technically you can do a 3 drive raid set, but unless the
> > customer is just migrating from a S/36 they will notice the performance
> > hit versus a 4 drive (or more) set.
> >
> > Is this separate disk stuff recommended on a "real" os?
> > Do I need a full RAID set in an ASP?
> >
> > Rob Berendt
> > --
> > Group Dekko Services, LLC
> > Dept 01.073
> > Dock 108
> > 6928N 400E
> > Kendallville, IN 46755
> > http://www.dekko.com
> >
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