[asterisk-users] capacity
Steve Totaro
stotaro at totarotechnologies.com
Wed Mar 19 12:21:08 CDT 2008
I use standard wav (most compatible with players) so about a meg a minute.
In my experience, most people (users) use their voicemail similar to
email, they keep everything. Especially love struck college kids. I
think Asterisk has a soft limit of 1,000 (maybe it is 999) messages as
the max per inbox that can be changed in source.
I suppose if you limit the max time allowed and the max inbox limit
it might help but I think your 60GB estimate would be quite low in the
real world.
BUT, that is based on when I was in college and I was one of the very
few to have my own cell phone (dating myself a bit). So in the real
world, I am not sure how much use the system would actually see.
Thanks,
Steve Totaro
On Wed, Mar 19, 2008 at 12:33 PM, Drew Gibson <drew at oanda.com> wrote:
> Our office averages around 1.5MB / mailbox, call it 10MB for rounding.
>
> 6,000 x 10MB = 60GB (n'est pas?)
>
> 2 x 250GB drives, mirrored, should cover that and the system quite nicely.
>
> regards,
>
> Drew
>
> Disclaimer: Most of our employees are programmers so probably don't have
> any friends to call and leave messages! :-)
>
>
>
>
>
> Steve Totaro wrote:
> > RAID arguments (preference really) aside, 4k - 6k worth of student
> > voicemails is going to require quite a bit of storage space.
> >
> > Thanks,
> > Steve Totaro
> >
> > On Wed, Mar 19, 2008 at 12:01 PM, Drew Gibson <drew at oanda.com> wrote:
> >
> >> Having ventured high enough and far enough to view the curvature of the
> >> Earth and having stayed up late enough long enough (why do disks only
> >> fail at the weekend?) to rebuild and restore RAID 5 sets, I proffer the
> >> following (not so) Humble Opinion .....
> >>
> >> Dual power supplies, two thumbs up
> >>
> >> but RAID 5 is only good for reducing storage costs on large volumes of
> >> data. It reduces performance and reliability over RAID 1. Don't put the
> >> OS on RAID 5 unless you like rebuilding servers from bare metal. It's
> >> much easier to rebuild and restore the data on RAID 5 sets if the OS is
> >> already up and running.
> >>
> >> Your OS and other system critical files (Asterisk) should be on RAID 1
> >> for performance, redundancy and cost reasons.
> >>
> >> More disks = higher cost and higher chance of failure.
> >>
> >> Asterisk in general does not need much disk storage. The minimum drive
> >> size available in a new server tends to be overkill. Two drives as RAID
> >> 1 gives you redundancy and performance. Adding a third drive for RAID 5
> >> adds cost, increases complexity and reduces reliability just to add
> >> storage capacity that you don't really need. (but the reseller WILL make
> >> more money and impress you with their command of the big words and
> >> acronyms on the spec sheet.)
> >>
> >> If and only if you need to store many hundreds of gigs of data (eg.
> >> recording a very large volume of calls) then RAID 5 becomes useful (or
> >> RAID 10 or RAID n). You should add this "bulk storage" IN ADDITION TO
> >> the mirrored pair holding the OS.
> >>
> >> regards,
> >>
> >> Drew
> >>
> >>
> >>
> >>
> >> Steve Totaro wrote:
> >> > And I can post a link that shows a bunch of guys think the earth is
> >> > flat with a 5/10 google ranking also (like the barf guys).
> >> > http://www.alaska.net/~clund/e_djublonskopf/Flatearthsociety.htm
> >> >
> >> > I usually just call my guy at CDW and give him my needs, he is a
> >> > former techie gone sales. He puts together a quote and emails it to
> >> > me for approval.
> >> >
> >> > I find HP server are very robust and rock solid at a decent price
> >> > point (IBM as well). I like the 380 because you get six hot swap scsi
> >> > bays and redundant power supplies in a 2u profile, also, Digium and
> >> > Sangoma T1 cards have never given me an issue.
> >> >
> >> > Many on this list love Supermicro, I have yet to try them but I will
> >> > in the near future. I have not heard a single complaint, only rave
> >> > reviews.
> >> >
> >> > I guess my original point was going for redundancy as far as storage
> >> > and power supplies with your dollar, not the fastest proc or maxed out
> >> > RAM that will not be needed. Regardless of the actual hardware or
> >> > RAID setup, that is the angle I suggest you take. 4k - 6k students
> >> > will require quite a bit of storage.
> >> >
> >> > Thanks,
> >> > Steve Totaro
> >> >
> >> > On Wed, Mar 19, 2008 at 9:38 AM, Ron Joffe <rjoffe at yahoo.com> wrote:
> >> >
> >> >> On Tuesday 18 March 2008 22:12, Steve Totaro wrote:
> >> >> > For your use, I would go for a RAID 5
> >> >>
> >> >> I would highly recommend against a raid 5 set. I can give you more details if
> >> >> you are interested, but these guys have most if it down : www.baarf.com see
> >> >> the link on the left on "why should I not use Raid 5"
> >> >>
> >> >> Ron
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
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> >> >>
> >> >
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> >>
> >>
> >> --
> >> Drew Gibson
> >>
> >> Systems Administrator
> >> OANDA Corporation
> >> www.oanda.com
> >>
> >>
> >>
> >>
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>
> --
> Drew Gibson
>
> Systems Administrator
> OANDA Corporation
> www.oanda.com
>
>
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>
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