[mythtv-users] Re: Via vt-310dp and c146

2005-11-30 Thread Andrew Plumb
Hi Eliot (and mythtv-users),

I haven't finished the installation yet; still in dabbling mode.
With Fedora Core 4 the VT310DP will boot with the single-CPU kernel but
not the default SMP kernel, but I was able to compile and install a
custom SMP kernel reasonably easily using the FC4 kernel source.
Because of the custom kernel I might not be able to use the
pre-compiled kernel modules from atrpms for things like ivtv (which I
have compiled and installed from source successfully) and/or lirc
device drivers, but compiling and installing those is straight
forward. I am trying to install the rest of MythTV from yum/rpm
repositories though; that could get painful if I have to do all that
manually as well. On the other hand it may make more sense to
build from scratch so I keep it simple and only get the mythbackend
parts.

With respect to the C146, my PVR500 dual-tuner card was a shade too
long to install in the first (PCI2) slot of the dual-slot PCI riser
card AND fit back into the case; neither of the cards work if you put
them in the second (PCI3) slot. The PVR350 fits and works.
What I haven't tried (yet) is to install a dummy PCI card (like an
old network card) in the first slot and the PVR500 in the second.
The problem is most likely with the riser card, an active versus
passive circuit design; the descriptions at this site are what lead me
to suspect that this is the issue:

http://mini-itx.com/store/?c=8#p1902
The case itself is probably not quiet enough to be in close proximity
to your entertainment environment without some acoustic
treatment/cabinet to contain the noise. You want to get as
fanless as you possibly can, particularly with respect to the power
supply and any case fans; the CPU fan noise on most VIA Mini-ITX boards
is minimal when it's in the case.

One board I've toyed with the idea of using as a front end is the EPIA
TC series because of the onboard 12VDC power socket instead of
AC. It remains to be seen what can be done with the Nano-ITX, but
in theory that would be an even better option for lower-power/remote
front-end use because it also uses laptop memory (SO-DIMM) and mini-pci
wifi network cards.

That's all for now; gotta work my day-job!

Andrew.
On 11/30/05, Eliot Phillips [EMAIL PROTECTED] wrote:
I found your posts in the MythTV mailing lists archive. I'mconsidering putting together a MythTV box and really want to use thec146 case. How has it been working for you? Have you gotten your DPboard off the ground yet? The only thing that is holding me back is
the limited number of boards with DVI output. I should probably bitethe bullet and assume that sometime in the future I'll build afrontend box with DVI for HDTV.Eliot PhillipsHack-A-Day
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Re: [mythtv-users] Re: Via vt-310dp and c146

2005-11-30 Thread Andrew Plumb
Hi Geoff,

Unfortunately, in the case of the C146 that riser card won't work; the
riser card it comes with is actually two board connected by a couple of
ribbon cables. That's probably how they get it to fit in this
particular 1U case; it's not the one in the picture:

http://www.travla.com/FAQ/faq-DualRiserCard.html

Thanks for confirming my suspicions.

Andrew.On 11/30/05, R. Geoffrey Newbury [EMAIL PROTECTED] wrote:
On Wed, 30 Nov 2005 09:47:16 -0500, Andrew Plumb wrote:Hi Eliot (and mythtv-users),With respect to the C146, my PVR500 dual-tuner card was a shade too long toinstall in the first (PCI2) slot of the dual-slot PCI riser card AND fit
back into the case; neither of the cards work if you put them in the second(PCI3) slot.The PVR350 fits and works.What I haven't tried (yet) is toinstall a dummy PCI card (like an old network card) in the first slot and
the PVR500 in the second.The problem is most likely with the riser card,an active versus passive circuit design; the descriptions at this site arewhat lead me to suspect that this is the issue:
http://mini-itx.com/store/?c=3D8#p1902Your problem IS the riser card.Most PCI riser cards come with a small daughter-board which is intended togo into the motherboard's original PCI slot to pass the power and IRQ to
the riser card slotOf course that does not work when you only have onepci slot!Via make a 2 slot riser card which has active circuitry to obviate thisproblem. I think that their riser is in fact intended for Travla cases
like the C146. I got mine from Logic Supply, Waterbury Vermont.http://www.logicsupply.comAccessoriesPCI Riser Cards Part namePCIRISER2.That card may solve your physical fitting problem with the
PVR500 too.This riser allows me to use both my PVR500 and pcHDTV3000 on my ViaSP13.Because my case (Silverstone LC11M) is designed for a physically differentstructurewith an AGP card in the 'first' slot, I am using a flexible PCI
extension (part name: Flexpci) between the motherboard PCI slot and thePCI riser card.This route can obviate a number of other problems too.GeoffOn 11/30/05, Eliot Phillips 
[EMAIL PROTECTED] wrote: I found your posts in the MythTV mailing lists archive. I'm considering putting together a MythTV box and really want to use the
 c146 case. How has it been working for you? Have you gotten your DP board off the ground yet? The only thing that is holding me back is the limited number of boards with DVI output. I should probably bite
 the bullet and assume that sometime in the future I'll build a frontend box with DVI for HDTV. Eliot Phillips Hack-A-Day http://hackaday.com
R.
Geoffrey
Newbury[EMAIL PROTECTED]Barrister
and
Solicitor
Telephone: 905-271-9600Mississauga,Ontario,
CanadaFacsimile:
905-271-1638___mythtv-users mailing listmythtv-users@mythtv.org
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Re: [mythtv-users] Re: Via vt-310dp and c146

2005-11-30 Thread Andrew Plumb
...that Flexible PCI Riser/Extender, on the other hand, could do the trick!

http://www.logicsupply.com/product_info.php/cPath/47_68/products_id/452On 11/30/05, 
Andrew Plumb [EMAIL PROTECTED] wrote:
Hi Geoff,

Unfortunately, in the case of the C146 that riser card won't work; the
riser card it comes with is actually two board connected by a couple of
ribbon cables. That's probably how they get it to fit in this
particular 1U case; it's not the one in the picture:

http://www.travla.com/FAQ/faq-DualRiserCard.html

Thanks for confirming my suspicions.

Andrew.On 11/30/05, R. Geoffrey Newbury 
[EMAIL PROTECTED] wrote:
On Wed, 30 Nov 2005 09:47:16 -0500, Andrew Plumb wrote:Hi Eliot (and mythtv-users),With respect to the C146, my PVR500 dual-tuner card was a shade too long toinstall in the first (PCI2) slot of the dual-slot PCI riser card AND fit
back into the case; neither of the cards work if you put them in the second(PCI3) slot.The PVR350 fits and works.What I haven't tried (yet) is toinstall a dummy PCI card (like an old network card) in the first slot and
the PVR500 in the second.The problem is most likely with the riser card,an active versus passive circuit design; the descriptions at this site arewhat lead me to suspect that this is the issue:

http://mini-itx.com/store/?c=3D8#p1902Your problem IS the riser card.Most PCI riser cards come with a small daughter-board which is intended to
go into the motherboard's original PCI slot to pass the power and IRQ to
the riser card slotOf course that does not work when you only have onepci slot!Via make a 2 slot riser card which has active circuitry to obviate thisproblem. I think that their riser is in fact intended for Travla cases
like the C146. I got mine from Logic Supply, Waterbury Vermont.http://www.logicsupply.comAccessoriesPCI Riser Cards Part name
PCIRISER2.That card may solve your physical fitting problem with the
PVR500 too.This riser allows me to use both my PVR500 and pcHDTV3000 on my ViaSP13.Because my case (Silverstone LC11M) is designed for a physically differentstructurewith an AGP card in the 'first' slot, I am using a flexible PCI
extension (part name: Flexpci) between the motherboard PCI slot and thePCI riser card.This route can obviate a number of other problems too.GeoffOn 11/30/05, Eliot Phillips 
[EMAIL PROTECTED] wrote: I found your posts in the MythTV mailing lists archive. I'm
 considering putting together a MythTV box and really want to use the
 c146 case. How has it been working for you? Have you gotten your DP board off the ground yet? The only thing that is holding me back is the limited number of boards with DVI output. I should probably bite
 the bullet and assume that sometime in the future I'll build a frontend box with DVI for HDTV. Eliot Phillips Hack-A-Day 
http://hackaday.com
R.
Geoffrey
Newbury[EMAIL PROTECTED]Barrister
and
Solicitor
Telephone: 905-271-9600Mississauga,Ontario,
CanadaFacsimile:
905-271-1638___mythtv-users mailing listmythtv-users@mythtv.org

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[mythtv-users] VT-310DP update

2005-10-13 Thread Andrew Plumb
Hi Everyone,

Just a quick update. I got my VT-310DP, installed Fedora Core 4, rebooted and... SMP kernel won't work.

I can only boot up in single-proc mode. I've run yum upgrade
and have tried kernel-smp-2.6.13-1.1526_FC4 without any luck. The
plan is to stick to stock and follow Jarod's Excellent Instructions,
but I want to see how much pain is involved in getting dual-proc
working before proceeding any further in single-proc mode.

If anyone has any successes or failures to report (any distro, not just
Fedora Core 4), I've opened a discussion at VIA Arena. Please
feel free to append any details there:

http://forums.viaarena.com/messageview.aspx?catid=28threadid=68411enterthread=y
Thanks!

Andrew.
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Re: [mythtv-users] MythTV Filled Hard drive MySQL service will notstart at boot.

2005-10-07 Thread Andrew Plumb
Keep an eye on the number of files in /var/log and subdirectories, not just their sizes.

I once had a situation (not MythTV related) where a bunch of travelling
workshop laptops all started to fail for some unknown reason.
There was still plenty of physical space on the drives, but a little
daemon that was looking for network connections had created thousands
of little files; the root file systems had run out of *address*
space. It was manifesting as out of space errors.

Good luck!

Andrew.On 07 Oct 2005 07:13:48 -0700, Jim Reith [EMAIL PROTECTED] wrote:
At 10:01 AM 10/7/2005, you wrote:My mythbackend.log file is just 6K, so I don't think that is the problem.Any other suggestions?ChrisWhen my system crashed and died, it was the system logs that overfilled and
caused it to crash. On my distribution they were in /var/log/ (messages*for example) It got to the point where my system couldn't boot because itcouldn't write the out of space log entry because the log was out of
space... duh! If you don't have separate partitions set up that could fillup the file system. Use the df and du commands to find where it's beinghogged (and use man df or man du to see what they tell you)
Jim-Original Message-From: [EMAIL PROTECTED][mailto:[EMAIL PROTECTED]
] On Behalf Of Kristian KalweitSent: Friday, October 07, 2005 9:19 AMTo: [EMAIL PROTECTED]; Discussion about mythtvSubject: Re: [mythtv-users] MythTV Filled Hard drive MySQL service will
notstart at boot.Chris Gackstatter schrieb:  *Can someone tell me which how to find the offending file and how do I  get rid of it?*
 Should be something in /var/log...Maybe mythbackend.log?Try:locate mythbackend.logto find it.Kristian.___
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[mythtv-users] running mythtv backend on VIA EPIA VT-310DP

2005-10-06 Thread Andrew Plumb
Hi Everyone,

Has anyone had a chance to install+run MythTV, specifically the backend, on one of the new EPIA VT-310DP dual-proc/SMP boards?

http://www.viaembedded.com/product/epia_dp_spec.jsp?motherboardId=321

Any known gotchas running this with a PVR-500?
It's time for me to move the backend off the current machine, into
the basement. Once this is done my next step will be to replace
my current M10K+PVR-350 based machine with an SP13K or Nano based,
fanless front-end machine.

Thanks!

Andrew.-- If you don't know what to do, do something.

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[mythtv-users] running mythtv backend on VIA EPIA VT-310DP

2005-10-06 Thread Andrew Plumb
[forgot to include the list on my reply]Hi Geoff,

Reply inline...

On 10/6/05, R. Geoffrey Newbury [EMAIL PROTECTED] wrote:

On Thu, 6 Oct 2005 12:02:01 -0400, Andrew Plumb wrote:Has anyone had a chance to install+run MythTV, specifically the backend,onone of the new EPIA VT-310DP dual-proc/SMP boards?

http://www.viaembedded.com/product/epia_dp_spec.jsp?motherboardId=3D321
Link correction: http://www.viaembedded.com/product/epia_dp_spec.jsp?motherboardId=321

Any known gotchas running this with a PVR-500?It's time for me to move the backend off the current machine, into the
basement. Once this is done my next step will be to replace my currentM10K+PVR-350 based machine with an SP13K or Nano based, fanless front-endmachine.**Neat board. Gigahertz networking and HDTV level TV out!

Note that only the Nano and SP13K have TV out; the DP only has a VGA
port. That said, this board does have both a PCI and mini-PCI
slot; you could put a dedicated 802.11a/g card in the mini-pci to serve
up content on a dedicated WiFi channel. I never did have any luck
tracking down a source for mini-pci TV Tuners for us mere
end-power-users.
Dual processors... at about 7 watts max each processor.Supposed to run
fanless!

That's part of the plan; emphasis on low-power since the back-end
machine is going to be always-on. Ideally, I'd like to set it up
to wake-on-lan (when front-end machines want access) and timed
power-on/off for program updates and recording activity. First
things first; get the machine built and running. :-)
BUT, you have to recompile your kernel for SMP AND recompile every module
against that kernel.
And there is no guarantee that mythtvbackend has been written to takeadvantage of SMP capabilities.
You're right, the backend itself probably won't benefit much, but based
on personal experience just having dual proc for distributing generic
process load should help overall system performance.

I'm hoping the existing i686 SMP modules will work using FC4 and
atrpms.net. Fortunately, I'm no stranger to roll-yer-own
distributions and compilation activity, it's just messy and
time-consuming and I'd rather spend that extra time contributing
enhancements and documentation to existing instructions and
binaries. You do what you have to do. :-)
But now that this board is here, maybe mythtv should be SMP capable.
Having dual processors, even if the max CPU speed is only 1Ghz will really
speed up commercial detection etc.Interesting that it only takes a max of 1Gig of memory
Look again. The DP takes up to 2GB; 1GB per slot, of which it has two. 
HOW MUCH
If you e-mail the folks at RB Computing (see
http://www.shoprbc.com/ca/company/contact.php), they can order it for
you. I was quoted $509.00, but I've been pestering them for
months about this board and pay cash in person for all my orders (no
shipping or credit-card transaction fees); you should be able to find a
similar local shop to frequent in the GTA.

I'm putting it all in a Casetronic rackmount C146 (see
http://www.casetronic.com/products/Rackmount/1U-Rackmount/1U-Rackmount.asp
)
so I have room to add a second tuner (I have a spare PVR-350) and more
LVM-extended, SATA storage as the need arises.
Andrew.
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Re: [mythtv-users] PVR-350 TVout issues

2005-10-06 Thread Andrew Plumb
It's been a while since I've touched these settings, but have a look at the instructions a few of us captured here:

http://mythtv.info/moin.cgi/HardWare/VideoCaptureCards/PvR350/HintsAndTips

Enjoy!

Andrew.On 10/6/05, Christopher Sink [EMAIL PROTECTED] wrote:
Hi Joe-On 10/6/05, Joe Votour [EMAIL PROTECTED] wrote: MythTV can be made to fit by using the GUI X/Y size and displacement options.Ah, of course. I remember seeing those options (then promptly
forgetting about them). I'll try that out. When mplayer plays will itbe cut off as well or start with the geometry I assign to mythtv? Sounds like you're using Xv instead of the MPEG-2 decoder.The Xv support requires that some MPEG-2 be
 played through the MPEG-2 decoder before it will work (I do it in rc.local).Otherwise you will get a still picture of garbage.I'm afraid I don't understand how this is done. Can you give me some pointers?
Thanks greatly for the assist.Christopher___mythtv-users mailing listmythtv-users@mythtv.org
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[mythtv-users] VIP ports on EPIA MS and SP boards

2005-10-04 Thread Andrew Plumb
Hi Everyone,

Can the VIP (Video Input Port, ITU-R BT.656 from the looks of things)
found on EPIA MS and SP series boards be used to capture NTSC/PAL video
sources directly?

What sort of devices can be hooked up to it? Anything from a simple ADC to capture raw video, to external systems?

Anyone using the port with their MythTV boxen?

Thanks!

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Re: [mythtv-users] Limiting file transfer speed (to combat Epia system lockup)

2005-01-21 Thread Andrew Plumb
On Fri, 21 Jan 2005 17:11:21 -0600, Robert Denier [EMAIL PROTECTED] wrote:
[deletia]
 Of course my real recomendation would be to fix the underlying problem,
 but that might require new hardware of some kind.
[rest deletia]

I've been running into the same issue on transfers, deleting files,
etc.  My guess is that heavy HD access is starving my PVR-350's DMA
access.

Can someone think of some way to profile and balance out the DMA
activity?  Perhaps using hdparm, but I'd rather the kernel manage it
somehow by giving the PVR-350 DMA priority over HD instead of scaling
back HD performance, since the PVR-350 still needs to be able to write
to the hard-drive.

The only alternative I can think of is using a kernel modified for
embedded systems...

Andrew.

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Re: [mythtv-users] Slow screen updates on EPIA....?

2005-01-02 Thread Andrew Plumb
I don't think this is specific to the Epia  Unichrome drivers.  I've
noticed sluggish performance running out of my PVR-350 for a while
now.

On Mon, 3 Jan 2005 01:53:59 +, Andrew Wilson [EMAIL PROTECTED] wrote:
 I have my myth setup almost as I like now. One thing that is
 irritating is that it takes several seconds to navigate the main
 screens. I mean going to Setup takes about 4-5 seconds (at least), and
 then there's another couple of levels of UI to go through.
 
 Is this expected, or have I something in my system causing it to go
 really slowly?
 
 There's nothing much else running.
 
 BTW Unichrome drivers KICK ASS big time. This is a potent combo! Cheap
 PC board with everything including HW MPEG decoding, cheap DVB
 freeview card,  Linux, Myth TV...


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put invites in your sig (was Re: [mythtv-users] OT: Gmail invites)

2005-01-02 Thread Andrew Plumb
A suggestion/request which should satisfy all parties.  If you have
invites you'd like to hand out, please put the invite in your
signature, telling them to contact you off-list.

That way people will approach you as a result of your on-topic
interactions with the list, not your gamming posts. (of which I am
equally guilty of contributing to)

Thoughts?

Andrew.

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Re: [mythtv-users] load ivtv at bootup??

2004-12-23 Thread Andrew Plumb
If it works manually, search the mythtv-users archives for rc.local.
 That's what many of us had to do to get ivtv (and lircd) to load at
boot.

Andrew.

On Thu, 23 Dec 2004 07:35:48 -0500, Bryan Ware [EMAIL PROTECTED] wrote:
 Ok,
 I installed Myth using the great Jarod's guide, and I have one little
 issue, i can't figure out the modprobe.conf file for the ivtv drivers to
 have them load at bootup. I have to manually start them and then restart
 mythbackend. If I don't I have no sound. Below is my modprobe.conf
 file..
 
  Begin Modprobe.conf file ~
 alias eth0 e1000
 alias snd-card-0 snd-via82xx
 options snd-card-0 index=0
 install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx
  /usr/sbin/alsactl restore /dev/null 21 || :
 remove snd-via82xx { /usr/sbin/alsactl store /dev/null 21
 || : ; }; /sbin/modprobe -r --ignore-remove snd-via82xx
 alias usb-controller ehci-hcd
 alias usb-controller1 uhci-hcd
 # nvidia kernel module
 alias char-major-195 nvidia-1_0-6629
 
 # ivtv modules setup
 alias char-major-81 videodev
 alias char-major-81-0 ivtv
 alias char-major-81-1 ivtv
 options ivtv cardtype=2,2
  End of Modprobe.conf file ~
 
 What am I missing...? Thanks in advance for your help...!
 
 Bryan
 
 
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[mythtv-users] mini-pci TV tuner cards

2004-12-20 Thread Andrew Plumb
Hi Everyone,

Next fun hardware question!  Which mini-PCI form factor TV tuner cards
have people had success running MythTV PVRs with?

VIA's upcoming EPIA N board looks like an ideal compromise between
going completely embedded-PC for a dedicated mythbackend machine, not
to mention the fact that it uses the CN400 which does both MPEG-2 and
MPEG-4 hardware decoding.  At 12cmx12cm (just under 4.75x4.75) it
would even fit in a 5.25 drive bay slot.

See http://www.viaembedded.com/product/epia_N_spec.jsp?motherboardId=221

A few promising boards appear to be:

http://www.provideo.com.tw/PV970.htm
http://www.aver.com/oem/#notebooks
http://www.yuan.com.tw/en/products/vdo_mpc622.html
http://www.lifeview.com.tw/html/products/mini_pci/flytv_platinum_mini.htm

Worst case, there are mini-pci to pci adapter boards: 
http://www.interfacemasters.com/products/pci_tools/mini_pci_to_pci/

...but that kind of defeats the purpose.

Follow-up question would be who sells your mini-pci card of choice,
either here in Canada or at least in the US?

Andrew.

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Re: [mythtv-users] mini-pci TV tuner cards

2004-12-20 Thread Andrew Plumb
On Mon, 20 Dec 2004 15:53:07 -0500, Tom Dombrosky [EMAIL PROTECTED] wrote:
 Sorry, what I meant was, I don't think you can use a mini pci solution
 with that board because it doesn't have any ports for the antenna.  I
 guess it could be possible with other systems.
 
 Tom

Hi Tom,

That's actually the easiest bit; I take it you don't design much RF
hardware. ;-)  Most cards would have some sort of RF SMD (surface
mount device) connector, like you'd find on a similar form-factor WiFi
or GPS device, to connect the board to the full-size connector of your
choice.

Andrew

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Re: [mythtv-users] Re: RAID5 ATA IDE hardware card recommendations for mythbackend machine

2004-12-10 Thread Andrew Plumb
On Fri, 10 Dec 2004 20:36:55 +, Greg Cope [EMAIL PROTECTED] wrote:
  The problem is that there is *NO* economical backup solution for
  end-users with hundreds of GB of data. The only thing that comes close
  is to have another RAID in another machine that you mirror to.
[deletia]
 400Gb drives are becoming common and cheap.
 
 Plus a surge plug is not that expensive.

For me it's more an all-eggs-in-one-basket/HDD issue, less of a
backup/archival issue.  Also, this machine was a fully UPS'd machine;
expired warranty killed it, not surges. ;-)

Yes, to get an equivalent amount of real storage in a RAID
configuration I'd need 3x200GB (2 storage + 1 error correction) or
6x100GB (4 storage + 2 error correction) or even 11x50GB (8 storage +
3 correction) to match that single 400GB drive.  But a single lost
drive costs me more in wasted time re-building the full machine
OS+software+data, especially the data piece scattered across a
multitude of CD and DVD archives.

What I'm looking at doing is offloading the always-on data access
portion to a RAID-based Linux box in the basement.  I think I'll start
with a 3-drive software RAID configuration; I like that it's not tied
to any specific RAID hardware chipset, and speed isn't super-critical
since networking will be the primary bottle-neck.

Interesting discussion, everyone!

Andrew.

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[mythtv-users] Re: RAID5 ATA IDE hardware card recommendations for mythbackend machine

2004-12-08 Thread Andrew Plumb
Thanks for all the replies!  Looks like it'll be a 3ware card.

All of this was prompted because we just had an HDD failure and lost
about a month's worth of unarchived baby pictures; redundancy is the
primary issue.  My wife's getting a new machine for her desk, so I'll
retire the old machine to the basement and pop in the RAID5 for file
serving and multimedia jukebox purposes.

Andrew.

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[mythtv-users] RAID5 ATA IDE hardware card recommendations for mythbackend machine

2004-12-07 Thread Andrew Plumb
Hi Everyone,

For those who do use hardware RAID5 cards for ATA IDE drives, which
cards have you (not) had success with, for use in a mythtvbackend
machine?  Or in any Linux-based machine for that matter?

I'm pondering picking up something like a Promise FastTrak SX4000.

Thanks!

Andrew.

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