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
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