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Power Supply failure – the wrong type of failure
ByetzionI’ve lost an external DAS (Direct Attached Storage) today. Not lost as in could not find, but lost due to power supply failure. I’ve been home, got a phone call saying all the company’s Unix storage, which is contained on a DAS including two 72GB HDDs in a mirror (DiskSuite on Solaris8) is not available….
IBM X306 (ServerRaid7e) and Linux Centos 4.3
ByetzionIt was no fun, and I hope I will never experiance again such bad setup. Summery: IBM X306. The X306, X206 and some of the others are equipped with ServerRaid7e Sata controller. These controllers lack Linux drivers, and thus, make me a sad person. Drivers are available from IBM web site to RHEL 3 Update…
Customer’s project
ByetzionI’m on the brink of the actual and physical commitment of a project for a customer. moving a banch of Linux servers at their hosting into another physical location, changing the IP address, and making sure everything’s working correctly. It could have been a pieve of cake, but this machine runs vservers, and it is…
Server upgrade pictures, as promised
ByetzionHere 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…
Fabric Mess, or how to do things right
ByetzionWhen a company is about to relocate to a new floor or a new building, that is the time when the little piles of dirt swept under the rug come back to hunt you. In several companies I have been to, I have stressed the need of an ordered environment. This is valid to networking…
Why I don’t like GRUB – RHEL4 on system with local and external storage
ByetzionInstalled RHEL4 on a system with both internal storage (HP SmartAray 5i – cciss) and external disks through Qlogic FCS HBA. During install, the local disks were detected as /dev/cciss/c0d0 while the external disks were detected as /dev/sda and /dev/sdb After installation was done, Grub started with incorrect mapping. For no apparent reason, Grub searched…

