We moved our data center back in 2016.

The racks Schneider APC NetShelter SX.
The PDU are Schneider APC AP8941.

We had a small issue with the IBM cable management arms.
Dual PDU mounted on left rear.
There was no clearance for cable management arms

Paul

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Rob Berendt
Sent: Friday, January 10, 2020 10:05 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Suggested racks

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
http://www.dekko.com

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