What is the rule of thumb in performance characteristics and differences between 7200rpm (SATA/SAS) and 15000rpm (SAS) hard disc drives of the same generation?
Prelude: I'm a code-monkey that's increasingly taken on SysAdmin duties for my small company. My code is our product, and increasingly we provide the same app as SaaS. About 18 months ago I moved ...
I have HP DL360 G6 with Smart Array P812i and Storage Works D2700 enclosure. Enclosure has 25x148GB 15K SAS 6G drives in RAID10 mode. P812i has 512mb cache (50% read/50% write) Crystal Disk mark ...
i was planning to buy a SAS system made of two 15k RPM disks in Raid 0 configuration to give a boost to my s.o. and my apps... but after i saw that article on Coding Horror, i've started to thinking ...
Is it better to use a SAS Expander backplane for 12 drives via one SAS connection or is it better to use a SAS backplane with 3 SAS connections? This is in terms of performance, rather than expansion. ...
I have a PERC 5/i RAID controller currently hosting two drives in RAID 1. I am about to add a third drive in "direct" mode, just a normal physical volume. Would performance be better if the drive is ...