I have been wondering about this myself. It just wasn't intuitive to put two different size drives. I do have a FC9 and FC7 disk shelve with 18gb drives. Has anyone been using the new fc9 and see any problems?

-----Original Message----- From: David Schairer [mailto:njal@concentric.net] Sent: Monday, January 17, 2000 11:05 AM To: mats.oberg@tietoenator.com Cc: toasters@mathworks.com Subject: Re: problems mixing 18/9 GB disks?

Yes.

ABSOLUTELY POSITIVELY DO NOT DO THIS.

It will kill your performance, not now, but once you get things filled up. This has not historically been part of NetApps docs but I believe it's becoming so (Hi, Sam!).

Make a separate volume of 18s, migrate data, do what you have to, but don't mix your shelves. It's like crossing the streams.

--David Schairer VP/Chief Systems Architect Concentric Network Corp.

Hi, has anyone out there run into any problems while mixing 18G and 9G -disk-shelves? Just wondering since I'm going to ad 2 shelves to one of our 740's

tomorrow.

Our current configuration is as follows:

First volume has Four 9GB-shelves in 2 raid groups. (I'm adding one 9GB shelf to this volume) Second volume has 1 shelf with 18GB disks (1 more 18G-shelf )

Anything special to have in mind??

Best regards

Mats Oberg TietoEnator

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