On Sun, 22 May 2011, Gordon Messmer wrote: > To: CentOS mailing list <centos at centos.org> > From: Gordon Messmer <yinyang at eburg.com> > Subject: Re: [CentOS] SSD for Centos SWAP /tmp & /var/ partition > > On 05/20/2011 01:26 PM, Keith Roberts wrote: >> I'm wondering if it would be a good idea to use a new SSD >> for moving all the disk i/o to, that Linux likes to do so >> often. > > Yes, it's often a really good idea. If you're doing software RAID on > Linux, you really should either disable disk drives' write cache or have > the system on a UPS with monitoring and automated shutdown. Most people > will opt for the latter. Using an SSD can boost write performance and > reliability for other systems. I just found this write-up on the topic: > > http://insights.oetiker.ch/linux/external-journal-on-ssd.html > >> Plus putting SWAP onto a decent SSD should speed >> things up somewhat. > > Well, only if you're using swap space. If that's the case, adding RAM > to the system will probably be less expensive and a lot more effective. Thanks for that Gordon, and all the other replies so far. This has given something to certainly consider doing sometime soon. Kind Regards, Keith Roberts ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------