[mythtv-users] Question about diskless system

Dan Littlejohn dan.littlejohn at gmail.com
Thu Mar 31 20:51:23 UTC 2005

What video card are you using?

I believe that the video card (chip) could have quite an effect.  I am
using a Pentium 1.8 and a FX5200 video card and have excellent
diskless performance.  The diskless machine has no hard drive in it at
all and runs well.  As a data point, I also have a AMD 3200 (backend)
with a very old TNT2 and it is very slow when I use a frontend on it.

I would vote for the extra memory.


On Thu, 31 Mar 2005 11:54:08 -0700, Norman Lyon <yourdog at poboxes.com> wrote:
> I've seen from time to time folks talking about using a diskless setup, but I'm
> having problems seeing what their results are like.  I just set up an old piece
> of hardware to see if I could do it (since the spare hard drive I have is VERY
> noisy).  It appears to work as a front-end, but it's slow when skipping ahead
> or back.  This also could be due to the fact that I'm playing back 720x480 on
> an Athlon 650.
> Does anyone have performance data to provide on their diskless setups?  If I
> were to rebuild to a Celeron D 2.5G and add a 878 grabber, would I still be
> able to use this diskless setup and be happy with performance as both front-end
> and a diskless backend (streaming to my other backend/database/etc)?
> For my config's sake, my primary backend is providing the NFS root image, and
> I'm using the noisy hard drive to provide the etherboot zlilo image to netboot
> off a PCI NIC (the on-board NIC is too flaky to use).  If I don't want swap
> space or anything else on the hard drive, and I'm running XFCE (stripped debian
> build) is 256MB enough, or should I keep it at 512MB just to be safe?  Or is
> there a good reason why I should throw swap onto the noisy drive and just hope
> that the 'hdparm -S' timeout keeps the drive dpun down (with either 256 or
> 512MB)?
> Thanks,
> Norman
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