[lug] writeable CD curiosity

[Jeffrey Siegal]

D. Stimits wrote:
> Jeffrey Siegal wrote:
> 
>> D. Stimits wrote:
>>
>> > The other thing is a goal to remove all hard drives for reliability
>> > reasons.
>>
>>
>> I don't know the number but I would be very surprised if a CD-RW drive
>> weren't a lot less reliable than a hard drive.
> 
> 
> This is why I suggest something like a RAID 1 mirror between a ram 
> partition and a CD-R or CD-RW. If power fails, the CD is the backup; if 
> someone wants to change the CD, and keep it for rebuilding the logs on 
> another machine or simply browsing it, this is also possible. Aside from 
> power failure (I use an UPS), a ram partition plus a CD failing 
> simultaneously is fairly low probability. Hot swap of the log medium.

I meant the drive itself (especially if it is being used a lot), which 
would require shutting down the system for replacement.  I assume by 
reliability what you meant was the reliability of the system as a whole, 
but maybe not.