On Mar 11, 9:56*pm, none <none9...@hotmail.com> wrote:
> Hi, since a few days I have some problems with a RAID 10 array on a
> adaptec RAID 2405 card. I've been using this setup for about 10 months
> without any problems, but 4 days ago when I turned on my computer I go
> a message saying that my RAID array was degraded. In windows using
> adaptec storage manager I saw that the array was being rebuilded. It
> took 2 or 3 hours and everything was back to normal, the hard drive
> that had a exclamation point in storage manager looked fine and I
> don't seem to have lost any data. At this time I thought that it may
> have been an isolated event maybe due to the fact that my computer
> crashed (hang) a few minutes before. But 2 days after I got the same
> message (no crash or anything unusual), but this time another drive
> had the question mark on it in storage manager. I waited for the
> rebuild and everything was back to normal.
>
> Here's some informations I took from storage manager:
>
> First time:
>
> group 0 segment 1 *controller 1, connector 0, device 1 *Rebuilding...
>
> Second time:
>
> group 1 segment 1 *controller 1, connector 0, device 2 *Rebuilding...
>
> Right now I don't have access to the card BIOS so I can't give the
> BIOS version and settings (I think if my memory is correct that I have
> enabled write cache, which I know could cause some problems). I will
> send this information in another post soon.
>
> I have many questions:
>
> - Is this behavior normal? Can an array loose it's synch sometimes
> (after a crash or a power failure) and need to be rebuild?
>
> - Since all drives are working correctly after rebuild and that 2
> different drives had the problem, am I right to think that the problem
> is not due to faulty drives?
>
> - Can it be caused by a power supply power problem? A few days before
> I added a secondary graphic card, a MATROX G450 quad, but I'm pretty
> sure I have enough power since my power supply can deliver 850W (see
> specs bellow). right now I have removed the MATROX card just in case
>
> - I'm wandering, are group 0 segment 1 and group 1 segment 1 2 HDs
> containing the same information? If it's the case I find it strange
> that at some point one HD was being rebuild from the other, and that 2
> days after this hard drive was rebuild from the first faulty HD. How
> do group and segement works?
>
> - Can the card, knowing there was a problem, rebuilt the first half of
> my array and 2 days later continue to fix the other half?
>
> - Is there any danger to loose everything when something like that
> happens?
>
> - The MATROX card was sitting just on top of the adaptec card with his
> heat sink facing the adaptec card, can heat be a problem?
>
> - Someone else ever experimented a behavior like this with his RAID
> array?
>
> For the moment I removed the MATROX card and did a complete backup of
> the system just in case. I will contact adaptec soon.
>
> Here's my system specs
>
> OS: * * * * * *Windows XP 32bits SP2
> motherboard: * ASUS PT6 Deluxe V2
> CPU: * * * * * Core i7 940
> RAM: * * * * * Corsair XMS3 Dominator 6GB DDR3
> Power supply: *Antec CP-850 (850 watts)
> Graphic card1: ASUS ENGTS250 1GD3
> Graphic card2: Matrox G450-Quad
> Capture card: *Diamond TV Wonder 650 Theater
> HDs: * * * * * 4 x Western Digital RE3 32MB 1TB 7200 SATA
> RAID card: * * Adaptec RAID 2405
> Misc: * * * * *DVD burner/BR burner/some fans and fans controller
>
> I'm pretty sure that a 850 watt power supply has enough power to drive
> a system like this, or do you think it could cause some problems?
> Anyway all monitors on the MATROX were deactivated, the TV wonder was
> not in use, and I was not playing any games on the ASUS when the
> second problem arised
> But I was playing a game (not the latest GPU demanding game) on it
> when the computer crashed a fee minutes before the first problem.
>
> Any useful information, tips or anything really will be greatly
> appreciated
>
> Thanks in advance
Here's the BIOS versions and controller configuration
motherboard: ASUS P6T Deluxe V2 BIOS rev. 0302
controller: Adaptec 2405 V5 2.0 build 16343
RAID array config:
mode: RAID 10
stripe size: 512KB
Controller config: (controller 0)
drives writes chache: enable all
runtime bios: enable
auto failover: enable
array background consistency check: disabled
array based BBS support: disabled
SATA native command queuing: enable
default background task priority: high
backplane mode: auto
selectable performance mode: dynamic
Thanks
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