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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After upgrading my laptop to 2.6.15.1 kernel, hibernation worked flawlessly. Running my previous version of kernel – 2.6.14.2, I have had some hibernation instabilities. I’ve had some memory corruptions here and there, which would have required I reboot the machine. So far, and it’s been a while, I’m glad to say I had no reason…
While searching the web for how to perform PCI-Passthrough on XenServers, we mostly get info about previous versions. Since I have just completed setting up PCI-Passthrough on XenServer version 6. 5 (with recent update 8, just to give you some notion of the exact time frame), I am sharing it here. Hardware: Cisco UCS blades,…
A common tool in use when needing a console access to a remote server is the IPMI. There are multiple names and implementations – HPE’s ILO, Dell’s iDrac, Lenovo IMM, and so on. This interface can be configured – both network settings and user access credentials, when having a BIOS access, however – a question…
I have an old Dell server (R610, if it’s important) and I seem to fail to connect to its iDrac console via Java. No other options exist, and the browser calling Java flow fails somehow. I have found an explanation here, and I will copy it for eternity 🙂 First – Download the latest JRE…
When I’ve created my setup (displayed below), I took into account the possibility of disconnection, or process fall, and I’ve left pppd to deal with it, by trying to connect just as it has fallen down. It was a good solution for the scenarios where there is a temporary, short timed disconnection. It fails to…
Performance tuning is a sort of art. You know what you expect to reach, and you somehow strive towards that through selective tuning. Either your OS memory utilization, your network settings, NFS mount parameters, etc. I’ve been to a customer who’s server acted funny. First, it had high load average – for an idle server…
