[asterisk-users] Asterisk RT on Disk On Module Performance and Durability

[Kristian Kielhofner]

Jeremy McNamara wrote:
> Erick Perez wrote:
> 
>> Hi,
>> Im doing some research for Disk on a Module (DOM) with asterisk 
>> realtime. To have no moving parts for a special project, I know I can 
>> use 3.5 or 2.5 HDDs but DOMs sound interesting.
>>  
>> Does someone have working experience with this?
>> Basically the Asterisk Realtime will be stored in MySQL and the DB 
>> will be stored in a Disk on a Module.
> 
> 
> 
> 
> There are better ways than RealTime to configure asterisk, but that is a 
> religious war, so I won't discuss it.
> 
> 
> 
>> I have read that the usual standard is 2,000,000 MTBF and 2,000,000 
>> Read/Write Cycles.
> 
> 
> 
> 
>  From my experience it is only writes that matter.
> 
> 
> 
>> Is there an utility/section/procedure that can "count/display" the 
>> reads and writes a normal Linux system does? That result can be 
>> extrapolated to understand, in terms of days/week/months how much time 
>> a Disk on Module will last.
>>  
>> Anyone with field experience?
> 
> 
> 
> Setup the system to mount a Ramdisk for the various standard locations 
> (/var and /tmp and /). Symlink the standard files from a ROM partition 
> to your mounted ramdisk / (root) partition. Then only write to the flash 
> when absolutely necessary, like for system updates.
> 
> 
> Usually I charge for this kind of info, so consider yourself lucky since 
> I am in a good mood today. (oddly enough)
> 
> 
> 
> 
> Jeremy McNamara   
> 

Erick,

	Or....  Just use AstLinux which kind of does what Jeremy described :)

http://www.astlinux.org


P.S. - I am the creator of AstLinux

--
Kristian Kielhofner