It has been about two years since I have visited a specific rack closet, and took pictures. Several days ago I have visited the same rack closet, and took some new pictures. You can tell time went by 😉
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I have had an interesting experience with HPE servers, where the BIOS was defined to allow max performance (in contrast to ‘balanced’ mode), but still – the CPU was not at max all the time. While we generally, strive to a greener computing, when having low-latency workload, we expect a deterministic performance. We want our…
Here are some pictures of the server upgrade. Old server: P2 300MHz, with 256MB RAM: Old server, in its old location New server: Xion 3GHz+HT+EMT64, with 1GB RAM. Nice: Dell PowerEdge 1800. Nice LEDs 🙂 The whole server room during the upgrade. Notice the 3com router/switch! You’ll be able to recognise it by its antenas…
This post will offer several tips and tricks for wiring cables into new rack closets. It uses pictures as a demonstration of what to do and what not to do. It is based on a job I have taken part in with several other companies, moving the server farm to a new location. This job…
And my “lab zone” needs to be packed up. I’ve closed the lid of some of the computers in the lab, and piled them up. Got about 27 computers, some of them in working order, without counting my “Production” (yeah) computers, 6 computers acting as servers, two desktops and one laptop. Two additional laptops I…
My new Linux server-to-be will require some remote monitoring and process keepalive going there. It’s that I’ve noticed nscd (which is required, when dealing with hundreds of LDAP based accounts) tends todie once a while. I’ve also made a mistake once, and managed to kill all SSH daemons, including the running ones. I am happy…
Recently, with the release of a new 8.x version of Dell SrvAdmin tools, the Centos/RHEL5 (and XenServer, by the way) repositories disappeared. It appears that Dell will not support the RHEL5.x brands anymore. The proper solution is to install the last 7 SrvAdmin tools, as can be shown in this site. This solves the problem…
