[mythtv-users] OT: Raid Server troubleshooting

nasa01 at comcast.net nasa01 at comcast.net
Thu Oct 11 18:24:12 UTC 2007


 -------------- Original message ----------------------
From: "F Peeters (MythTV)" <francesco at fampeeters.com>
> On Thu, October 11, 2007 19:43, nasa01 at comcast.net wrote:
> >
> >  -------------- Original message ----------------------
> > From: "F Peeters (MythTV)" <francesco at fampeeters.com>
> >> On Thu, October 11, 2007 19:08, nasa01 at comcast.net wrote:
> >> >
> >> >  -------------- Original message ----------------------
> >> > From: Dan Ritter <dsr-myth at tao.merseine.nu>
> >> >> On Thu, Oct 11, 2007 at 01:00:22PM +0000, nasa01 at comcast.net wrote:
> >> >> > Hi,
> >> >> >
> >> >> > Sorry for the OT post....  But I do see lots of people using raid
> >> >> servers with
> >> >> thier myth setup and I haven't been able to figure out what is
> >> causing
> >> >> my
> >> >> issues.
> >> >> >
> >> >> > 3x320G && 1x500G in Raid 5 (filesystem is JFS)
> >> >> >
> >> >> > /var/log/messages
> >> >> > rr174x: module license 'Proprietary' taints kernel.
> >> >> > rr174x:0: RocketRAID 174x controller driver v1.02 (Apr 7 2007
> >> >> 21:39:11)
> >> >>
> >> >> Don't do that. Switch over to Linux software RAID via the md
> >> >> driver.
> >> >>
> >> >> -dsr-
> >> > That could be problematic....  Since I have a lot of stuff on this
> >> array
> >> > (and my backup solution hasn't sized up to match), I would perfer to
> >> keep
> >> > the setup as it is and look at software raid sometime in the future.
> >> This
> >> > assumes software raid is really the best solution.
> >> >
> >> > Nasa
> >> >
> >>
> >> SW RAID will work on any controller... ATARAID will only work with the
> >> current card or identical replacements...
> > Ok,
> >
> > call me confused...  Are you saying I could convert my hardware solution
> > to a SW solution and still have access to the raid server (presently setup
> > as raid 5).  I thought the switch would mean I would have to wipe the old
> > config and start over.  If this isn't true.....
> >
> > Nasa
> >
> 
> Let me clarify:
> If you chose to rebuild as a software RAID array, you will be able to use
> ANY interface card to replace the current one, should it die, and it will
> work!
> If you stay with ATARAID and the current card dies, you will need to find
> an identical card or lose all data...
> 
> Also note that ATARAID *is* software RAID, with the addition of a BIOS to
> allow booting from the array... (nothing more, nothing less)

Thanks for the info,

BTW: the RocketRaid 1740 is a SATA controller

RocketRAID 1740 Highlights  
- PCI 32bit at 33/66 MHz 
- 4 Channel PCI to SATA II RAID Controller 
- Support up to 4 SATA II Hard Drives 
- RAID 0, 1, 5, 10 and JBOD 
 
So, is this card also *software raid*....

Nasa



> 
> AFAIK it is NOT possible to go from ATARAID to MD without rebuilding the
> array...
> 
> -- 
> F Peeters
>   PC-Chips M863G Geode - NVidia 440 - Hauppauge PVR250
>   Ubuntu 6.10 (Edgy Eft) - XFCE - MythTV 0.20 - Xine
>   Panasonic NV-VHD1 VCR/DVD player case modded to fit it all in...
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