[CentOS] SSD for Centos SWAP /tmp & /var/ partition
Jerry Franz
jfranz at freerun.com
Mon May 23 16:46:03 UTC 2011
On 05/23/2011 09:39 AM, Gordon Messmer wrote:
> On 05/23/2011 02:31 AM, Kevin Thorpe wrote:
>> Just be aware that SSDs wear out. They have a limited number of write
>> cycles. Nowadays they all do 'wear levelling' to even the writes
>> across the drive but even so they don't last very long in heavy write
>> usage.
> Yes, there's a limit number of writes. With wear leveling you should be
> able to write to the drive at its full rate, constantly, for years
> before you actually wear out the drive.
However, SSD drive reliability itself has been very poor in the field.
The failure rate is obscene.
See Jeff Atwood's 'The Hot/Crazy Solid State Drive Scale':
<URL:http://www.codinghorror.com/blog/2011/05/the-hot-crazy-solid-state-drive-scale.html>
--
Benjamin Franz
More information about the CentOS
mailing list