
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 »
Tags: RAID, Windows Server 2008