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Content Tagged with raid + MySQL
Raid is obsolete
In a lot of environments.
Peter gives a nice overview why you don't always need to invest in big fat redundant hardware.
We've tackled the topic last year already ..
Now I often get weird looks when I dare to mention that Raid is obsolete ..people fail to hear the "in a lot of environments"
Obviously the catch is in the second part, you won't be doing this for your small shop around the corner with just one machine. You'll only be doing this in an environment where you can work with a redundant array of inexpensive disks. Not with a server that has to sit in a remote and isolated location.
Next to that there are situations where you will be using raid, but not for redundancy, but for disk throughput.
Innodb RAID performance on 5.1
I've been doing some benchmarking recently to satisfy the curiosity about 5.1's performance compared with 4.1. The major question this time revolves around how much additional performance an external RAID array can provide (for us it's typically beyond the 6 drives a Dell 2950 can hold).
Shameless ad
“The Sun Fire X4240, powered by the AMD Opteron 2200 and 2300 processor series, is a two-socket, 8-core, 2RU system with up to twice the memory and storage capacity of any system in its class. It’s the first and only two-socket AMD Opteron system with sixteen hard drive slots in a 2RU form factor.”
Well, now that I work for Sun, it ends up being a shameless ad and boasting :) But back when I saw information about this product, I wasn’t my first thought was “wow, thats the best machine for scaling up scaled out environments!”.
In web database world people agree that number of spindles (disks!) matters - remember YouTube’s “think disks, not servers” mantra said during the scaling panel at MySQL conference. Before, getting such number of spindles would’ve required external arrays taking space and sucking power (TCO! ;-)
And for us… it probably means we can finally start doing RAID10, instead of RAID0. :-)
By the way, that box even has Quad-Core service processor. Way to go! :)