[Asterisk-Users] Hard drive write cache

[Florian Overkamp]

Hi,

shadowym wrote:
> I am looking at ways to harden my asterisk install to prevent computer
> related issues from happening.  I am concerned about about disk write cache.
> That seems to be a major source of hard drive corruption on power failure.
> Hard Drive corruption is simply unacceptable for the 99.999% uptime
> requirements of my Asterisk install that needs to be as reliable as a
> proprietary PBX.

Things to consider:
- Use compactflash to boot and run asterisk, add disk only for voicemail
- Run the entire setup from a ram disk, make commit/rollback facilities 
to write to disk
- Extra servers are cheap - you could use LinuxHA to failover the server.

Florian