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Data Bases > Informix > Re: Building a ...
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Re: Building a new system...

by "Art S. Kagel (Oninit)" <art@[EMAIL PROTECTED] > May 4, 2008 at 03:16 PM

Ian Michael Gumby wrote:
> Ok, so I have this client who has a need.
>
> High speed access for OLTP and data retrieval and a slower access for  
> document retrieval. (.pdfs).
> Looking at the new(er) generation of SAS Raid controllers, I can mix 
> and match SAS  and SATA within the same  backplane.
>
> So does it make sense to split the database spaces against the two 
> types of disks? RootDB, TempDB, some appDBs on SAS, then some appDBs 
> that contain the tables for the blobs on the SATA?
>
> Then use RAID 10 on SAS and maybe raid 60 on SATA? (Art will probably 
> kill me for mentioning anything but raid 10... ;-)

Probably!  Why not a RAID10 for the historical documents?  Are they 
somehow less im****tant than the table data?  I'd guess more so, and 
since the drives and individual docs will be access less frequently than 
the table data, there's more likelihood that a grave RAID5/60 problem 
will cause hidden data loss.

>
> Does anyone see any performance tuning issues?

> I can see doing this set up for a medical office in a box system.
> (Not that this is the application for the client. For some reason they 
> are extremely "hush hush")
>
> TIA!
>
> -G
-- 

Art S. Kagel
Oninit (www.oninit.com)
IIUG Board of Directors (art@[EMAIL PROTECTED]
)
 




 1 Posts in Topic:
Re: Building a new system...
"Art S. Kagel (Onini  2008-05-04 15:16:08 

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tan13V112 Sun Jul 6 21:45:54 CDT 2008.