We're in the process of moving one of our data centers from an internal location to another colocation facility. As part of this move I am thinking of dumping our IBM racks. Right now we have a mix of 9308's and 7014/7015/7017's. First of all I like the 42U racks over the 38U racks as the taller racks approach the overhead cabling management better. That, and the overhead grounding straps actually reach.
Another problem I have with our existing racks is that it is strongly recommended that you leave the doors attached instead of removing them as we often do. With our existing IBM racks there is almost no room between the front door and the equipment within. You could not leave a USB stick in the HMC (which we're dumping for vHMC) and shut the door. This causes an issue with the cooling which blows up from the floor vents. I'm hoping for something deeper which is open on the floor so that cooling air can flow better. With the IBM racks we end up removing the anti-tip plates as they block airflow.
I walked around the first co-lo we are using and I really think we're the only ones there using IBM racks. They are just a bad fit for such a facility.
I failed to record rack models from other people while there. One, I just get this impression that if you linger in front of someone else's junk they don't like it. And I probably could maybe glean the rack manufacturer but not the model any way.

What do you suggest for racks?

Rob Berendt
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755

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