[asterisk-users] Suggestion of Server Specifications for Asterisk

[Steve Edwards]

Un-top-posting...

> 2012/8/4 Shahid H <shahidh at gmail.com>

> Instead of buying expensive disk.. I might setup a ramdisk (about 2GB) 
> to do 200 calls recordings. Once the call hangup/completed it will then 
> move recording file to SATA HDD.

On Sat, 4 Aug 2012, Leandro Dardini wrote:

> Benny is right, if writes are smaller than the stripe size, there is no 
> gain in speed in using raid5. Not only, but you can have lower 
> performance than a single disk. The ramdisk can be a good idea, but if 
> the load is somewhat constant, you end only moving the slow write ahead 
> of time. 200 calls at 64kbit/s are just 1.5 Mbyte/s ... even the slowest 
> disk can accomplish this.

Won't 200 simultaneous calls result in a lot of 'head thrashing' that 
would be avoided by staging the recordings to some form of non-mechanical 
storage and then copying the the recording at the completion of the call?

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000