This might be exactly the type of topic for a meeting where we try to interest people from "business". JN On 05/05/2011 01:22 PM, R RENAUD wrote: > --- On Thu, 5/5/11, Robert P. J. Day <rpjday [ at ] crashcourse [ dot ] ca> wrote: > | I'm looking at picking up a seriously fast notebook > ... > | but i'm intrigued that this system comes with dual hybrid SSD > | drives. anyone out there using these kinds of drives? can you > | testify to noticeably better performance? > ... > > In December I bought the Crucial RealSSD from shopRBC.com. > Yes, the machines are noticably faster. > I've since bought 1 for a different laptop and 1 for my Intel Core I5 desktop. > > Also, the SSD takes less power so the computer fan is usually off or > running very slowly. Very nice when just reading web pages. > > My notes: > - Installing Ubuntu 10.04 LTS (Lucid Lynx) desktop on ThinkPad T500. > - testing SSD > Crucial RealSSD C300 64GB 2.5 inch SATA 6GBs Solid State Drive - $128. > Firmware rev 0002 S/N 103802FD810F Rated at 5V 2.0 Amps > > - summary: Crucial RealSSD is 5 times faster on read and 20% faster > on write than WD Scorpio Black 320GB. > I used "hdparm -t /dev/sda" on both drives for the read speed test. > Offhand, I don't recall what I used to test writes. > > Here's some things I did to reduce SSD wear but don't know how much it matters. > > http://www.thegeekstuff.com/2008/11/overview-of-ramfs-and-tmpfs-on-linux/ > Overview of RAMFS and TMPFS on Linux - Ramesh Natarajan Nov 6, 2008 > The notes in the "Tweaks" article below don't show how to set the > ramdisk size. > > Added to /etc/fstab > # use ramdisk for /tmp to reduce writes to SSD > tmpfs /tmp tmpfs defaults,noatime,size=200M,mode=1777 0 0 > > cd /tmp; rm -rf *; reboot > > Rrjrlap3% df -h > Filesystem Size Used Avail Use% Mounted on > /dev/sda1 9.2G 1.3G 7.6G 14% / > tmpfs 200M 12K 200M 1% /tmp > /dev/sda6 19G 5.9G 12G 34% /usr > /dev/sda7 28G 6.4G 20G 25% /u1 > > - Put Firefox cache in ram. > Open about:config in Firefox. Right click in an open > area and create a new string value called > browser.cache.disk.parent_directory. Set the value to /tmp. > Files ended up in /tmp/Cache owned by roland. > Back this up before hibernate? > > roland > > _______________________________________________ > Linux mailing list > Linux [ at ] lists [ dot ] oclug [ dot ] on [ dot ] ca > http://oclug.on.ca/mailman/listinfo/linux