I had wondered if I stored the log in a Ramdisk then have a CRON Job write it
to CF every 30 minutes or so would help..
its not CDR we are writing.. its the actual asterisk Log.. basically a Verbose
console output to a file.. currently the log file is stored as it is created
right to flash, and rotated each day.. on average its about 7-9 Megs per
day.. which I didnt think would trash a CF so quickly.. it is a Sandisk Ultra
4 GB with less than half its space used up.. maybe I just have a defective
card and shouldnt be so concerned....
as for jetway, we do use Jetways with SSD in a lot of instances.. I have yet
to see an SSD failure.. and this is the first CF card ive seen die.. +++ power
will restore it to service for about 6 hours or so, until it eventually gets a
"not responding" error and the kernel remounts all filesystems RO...
interesting thing is all data seems readable when its in service... because
its on the older standard and is "HDA" instead of using the newer driver Theres
no way to remount it RW once the kernel deems it dead...
and it seems once its mounted RO the asterisk database is no longer readable,
which is what is checked for outbound call permissions on that system.. so no
more outbound calls..
wierd.. I thought if a CF card failed it would just not be able to read certain
sectors...
-Christopher
________________________________
From: Michael Keuter <[email protected]>
To: The Cadillac Kid <[email protected]>; AstLinux Users Mailing List
<[email protected]>
Sent: Tuesday, October 2, 2012 7:44 AM
Subject: Re: [Astlinux-users] Best storage for soekris NET5501 (high writes)
Am 02.10.2012 um 13:40 schrieb Michael Keuter:
>
> Am 02.10.2012 um 13:24 schrieb The Cadillac Kid:
>
>> what is the best storage option for the NET-5501 for a High write
>> situation...
>> a USB stick is not an option as it will likely end up tampered with... im a
>> bit concerned about CF cards,, as I have has one fail with only 9 months..
>> it could be defective, but i somehow think it could be tied to the
>> more-writes than perhaps most do...
>>
>> just interested to see what you guys do when needing high writes.. im a bit
>> concerned about putting a HDD in a NET5501 as ive heard the SATA interface
>> isnt real.. (plus power concerns as well).
>>
>> in this case the sys admin wants a FULL VERBOSE running asterisk log on a
>> system that easily takes 400 calls per day.. that seems like a lot of
>> writes to the CF..
>>
>> -Christopher
>
> I always used SanDisk Ultra2 CF cards (1-4 GB) on all my boxes and I didn't
> had a single failure since I'm using them (summer 2008), but these boxes have
> a maximum of about 200 calls a day.
> An alternative could be using a Jetway board (or similar) with a SATA
> DOM/mSATA module or SSD/HDD.
>
> Michael
Another way could be to log the CDR data to an external MySQL database server
(custom build needed) or to store the CDR in RAM and save them periodically.
Michael
http://www.mksolutions.info
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