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The AIX disks are not that much cheaper, if at all. I just paid IBM over $1200 for 18g drives in a B50 AIX box. -Paul ----- Original Message ----- From: "Larry Bolhuis" <lbolhuis@arbsol.com> To: <midrange-l@midrange.com> Sent: Wednesday, May 01, 2002 6:23 AM Subject: Re: iSeries Disk Pricing > Andy, > > IMHO You are spot on. Of all my customers I can't even think of 2 that > use 17G drives for the exact reason you specify - Arm Count. We deal almost > exclusively in the 270-820 space and those machines just don't normally > house databases large enough to be able to utilize 17G drives. I was very > sorry to see that IBM ignored the 8G units in this pricing action. If you > consider that the 8G drives ALSO require twice the cage space, twice the > controllers, and double the maintenance dollars for the same capacity they > are a much MORE than double the cost of 17G units. This all makes it more > difficult to compete against the average Wintel and Lintel solutions because > there disks are SOO much cheaper. > > My fear at the end of the year when 8G units go away is that we'll sell a > customer a system with enough arms that the capacity yield will have them > set for years! This may even hamper the ability to sell upgrades. > > My .02 > > - Larry > > Andy Nolen-Parkhouse wrote: > > > Friends, > > > > While it is good news that IBM is significantly reducing the price of > > their disk drives, for many workloads there may well be no change. This > > announcement prices the 17 GB drives at exactly the old price of the 8 > > GB drives ($1,400). For those who require raw capacity, this represents > > a significant savings. > > > > For those of us who have routinely sized DB2-based transaction systems, > > frequently we end up configuring excess storage capacity in order to > > obtain an appropriate number of disk arms to ensure adequate > > performance. This general rule applied for me in most systems using 8 > > GB drives. I needed the arms more than the capacity. Because the 17 GB > > drives seem to have roughly the same rotational speed and seek times as > > the 8 GB drives, it stands to reason that a number of systems will > > require exactly the same number of drives at exactly the same price. > > There will be a significant increase in the amount of excess storage > > using the 17 GB drives, but the end result could well be no cost > > reduction. > > > > I'd welcome comment on this, but I think my reasoning is sound. Some > > systems would be better served by reducing the cost of 8 GB drives > > rather than discontinuing them. > > > > I would prefer to be wrong because I'm trying to focus on the good news > > of the announcement, and there is a lot. > > -- > Larry Bolhuis | IBM Certified Solutions Expert > Vice President | iSeries Technology V5 R1 > Arbor Solutions, Inc. | e-business for AS/400 V4 R2 > (616) 451-2500 | IBM Certified Specialist AS/400 > (616) 451-2571 -fax | RPG IV Developer > lbolhuis@arbsol.com | System Administrator for OS/400 V4 R4 > www.arbsol.com | Professional Network Administrator > | Network/Multiple Systems > | Client Access > > _______________________________________________ > This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list > To post a message email: MIDRANGE-L@midrange.com > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l > or email: MIDRANGE-L-request@midrange.com > Before posting, please take a moment to review the archives > at http://archive.midrange.com/midrange-l. > >
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