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I had, until recently, a problem when it came to test memory on the nodes in my lab. Until now, I was able to PXE boot memtest+, but had to go down to the lab and plug a screen to check the output. Multiple annoyances: first I had to...
Continue reading...Admin sys
Stuff that happens to sysadmins
Buy one 1U server from $supplier, specifically ask for a pair of rails, learn that « Of course it comes with rails! ». Two weeks later. Buy a 42U rack, and eight 1U servers, all of these from the same $supplier, and at the same time. Receive your rack and 8...
Continue reading...Geek pr0n again
Take one 3U server from SuperMicro, fitted with an Adaptec 31605 SATA RAID controller and 16 one-terabyte disks. Create a RAID 0+1 array for data storage, with 14 of these 16 disks. You get: #available storage [root@sam119 ~]# df -h /data Filesystem Size Used Avail Use% Mounted on /dev/sdb1...
Continue reading...RPM Hell
Actually, this is not RPM Hell but rather crappy packaging hell: [root@sam70 ~]# rpmbuild –rebuild xen-3.1.0-10.fc8.src.rpm Installing xen-3.1.0-10.fc8.src.rpm error: Failed build dependencies: transfig is needed by xen-3.1.0-10.x86_64 libidn-devel is needed by xen-3.1.0-10.x86_64 texi2html is needed by xen-3.1.0-10.x86_64 SDL-devel is needed by xen-3.1.0-10.x86_64 curl-devel is needed by xen-3.1.0-10.x86_64 libX11-devel is...
Continue reading...Geek pr0n
I can’t resist sharing a few pictures of my lab at work: Total: 100 nodes…
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