Date: Thu, 27 Sep 2001 10:15:33 +0930 From: Greg Lehey <grog@FreeBSD.org> To: Jason Zawacki <jzawacki@appliedtheory.com> Cc: freebsd-questions@FreeBSD.org Subject: Re: vinum IDE RAID5 troubles Message-ID: <20010927101533.A3482@sydney.worldwide.lemis.com> In-Reply-To: <200109251846.f8PIk3b11289@franklin.appliedtheory.com>; from jzawacki@appliedtheory.com on Tue, Sep 25, 2001 at 02:46:58PM -0400 References: <200109251846.f8PIk3b11289@franklin.appliedtheory.com>
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On Tuesday, 25 September 2001 at 14:46:58 -0400, Jason Zawacki wrote: > Hello, > > I'm having big problems trying to get RAID5 to work under vinum. I'm not > sure what the problem is. Here is my setup: > > - Abit BP6 motherboard with 2x400Mhz celerons > - 512MB of RAM > - One Adaptec 2940 SCSI card with a 9 GB drive and a CDROM attached > - Two Promise ATA/100 Cards (Fastrack/100LP and Ultra/100TX2) > - 7 60 GB Maxtor drives (brand new) > - FreeBSD 4.4-Stable (cvsup'd about 2 weeks ago) This is pretty much the same configuration as my Vinum development machine, except that I suspect that you're using IDE drives. > The 7 drives are connected to various headers on the Promise cards > (ie, none are connected to the HPT Headers on the motherboard, since > I've had about a billion problems with it, even with the latest HPT > BIOS (1.28)). > > Now, the problems I've been happen after successfully getting the > RAID5 volume up and running (setting up the volume, initting it, and > newfsing it). Under heavy I/O (when xferring a 4GB file over at > about 2MB/s) it gets about halfway through the xfer, and then one of > the controllers will time out and jump down to PIO mode, and then > the rest follow. After this happens, at a random time after, the > box freezes up resulting in huge data corruption on the volume. > Also, one of the drives always goes stale, requiring me to start it > again which sometimes results in a freeze after a while. You need to specify more details here. How do you get the components accessible again? > I guess my question is, with all the problems I've had with the BP6 > board, and assuming I've exhausted all my options (I have spent a > significant amount of time trying to get this to work), is there a > better hardware combo to do this with? If so, I'll relegate the bp6 > to 5.0-current testing =) Well, of course you haven't exhausted your options. You haven't even started. How about supplying the information I ask for at http://www.vinumvm.org/vinum/how-to-debug.html? Having said this, we've seen a number of reports of problems in this area, and it's possible that yours is the same. It appears to be related to the IDE driver. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply. For more information, see http://www.lemis.com/questions.html See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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