Archive for the tag 'Windows Server 2008'
In case you have installed one of these systems, you will notice the Bluetooth device – although inserted – does not show up in the device manager. And, searching for it by the hardware wizard will not help either, because these systems don’t ship with Bluetooth support enabled.
Adding it Read more »
Last weekend I’ve been evaluating my work on qKAI and thus worked extensively with datasets of about 30 GB in MySQL, with DBPedia dumps. To speed up file read I’ve added my spare fourth Western Digital WD6400AAKS to Adaptec 3805 RAID and:
- done online RAID level migration from RAID 5 with three HDD to RAID 10 to four HDD,
in the hope writing performance will increas as suggested by this article
- ran ATTO disk benchmark on the new array
- been unsatisfied, and (again) converted the RAID 10 to a four-drive RAID 5
- now been puzzled about Windows Server showing free areas strangely
and not letting me expand the primary partition the volume’s new size
Conversions took Read more »
Some time ago I blogged about Windows Server 2008 Software RAID performance and learned that software RAID 5 is unusable at workstations. While opening large files and/or working with them the system became unresponsive. Wondering where the bus congestion might occur I’ve done some research and like to share the math with you for a better insight. Jump to the end for my conclusions and usage scenarios! Read more »