Thanks John and Lonnie for the reasurances on the flash use, sorry if these
seem to be simple questions or concerns to many, but I am learning and finding
it easier with astlinux then I did many years ago with early astrerisk to get
things working, probably due to the gui's andan 800 page book!
New day
Cheers
Adrian
On Wednesday 04 Jun 2014 01:08:06 Lonnie Abelbeck wrote:
> Adrian,
>
> True, AstLinux takes measures to reduce writes to flash storage.
>
> But, there are important things that need to be immediately written to
> flash storage, such as voicemail, CDR logs, mail, etc. . The system logs
> are in RAM by default.
>
> Many years of practical use in the field, this has demonstrated to be a
> nice balance, AstLinux has been around for almost 10 years ! I have
> relatively old CF Flash cards that still work fine, and newer flash
> storage have even better wear-leveling features.
>
> While a lot has been written about flash's limited write cycles, with
> modern wear-leveling, it is not a general problem.
>
> If you are concerned, SLC flash is better than MLC flash, also if you only
> need 1-2 GB of storage, a 4-8 GB storage media will allow the
> wear-leveling to spread the wear over more area.
>
> Lonnie
>
> On Jun 3, 2014, at 6:45 PM, Adrian Hodgson wrote:
> > Perhaps it's late and brain not working correctly, but I have assumed
> > that astlinux runs up in to ram, that way the flash does not get written
> > to a lot. I undertsand that the conf files are all in flash, but I was
> > thinking that voicemail, mail and cdr logs will also be in ram and will
> > get lost when rebooted or power loss etc.
> >
> > /var/spool/asterisk/mail and /var/spool/asterisk/voicemail and
> > /var/log/asterisk/cdr-csv/ etc
> >
> > I did a reboot of the thin client and everything was still there, even a
> > power off and back on keeps all the files.
> >
> > Just re-read the installation docsa and see the persistent storage
> > options/setup. Would it be possible or practical to have various items
> > stored in ram? such as voicemail, the cdr? and the mail? on a simple
> > home system these would not be as important as in a business
> > environment.
> >
> > Cheers
> > Adrian
>
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"Graph Databases" is the definitive new guide to graph databases and their
applications. Written by three acclaimed leaders in the field,
this first edition is now available. Download your free book today!
http://p.sf.net/sfu/NeoTech
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