Date: Fri, 07 Nov 2003 15:07:46 -0500 From: Eduard Martinescu <martines@rochester.rr.com> To: Soren Schmidt <sos@spider.deepcore.dk> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: Too many uncorrectable read errors with atang Message-ID: <1068235665.3175.30.camel@firestorm.crafts4life.com> In-Reply-To: <200311071833.hA7IXfgj010546@spider.deepcore.dk> References: <200311071833.hA7IXfgj010546@spider.deepcore.dk>
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If you are running -CURRENT, you can check the SMART status of the drives with the port sysutils/smartmontools. If the drive supports > ATA-3 commands, you should be able to see if there are errors being reported by the drive itself. Ed On Fri, 2003-11-07 at 13:33, Soren Schmidt wrote: > It seems Kris Kennaway wrote: > -- Start of PGP signed section. > > Since upgrading the bento package machines to -current I am getting > > a lot of the following errors: > >=20 > > ad0: FAILURE - READ_DMA status=3D51<READY,DSC,ERROR> error=3D40<UNCOR= RECTABLE> >=20 > That does look like a valid error condition from the drive... >=20 > > 1) All my drives have performed mass suicide at once >=20 > You know, with deathstar's you cant really rule that out :) >=20 > > 2) ATAng is detecting errors that the ATAog did not >=20 > That is true, the error detection is better in ATAng. >=20 > > 3) ATAng is not trying as hard as ATAog to recover from the errors > > from the crappy drives >=20 > Neither ATAog nor ATAnr retried uncorrectable errors... > =20 > > 4) ATAng has a bug on this hardware. >=20 > That we cant rule out, and it probably likely.. >=20 > > Furthermore, I'd like to know why the panic occurred above. >=20 > Is this on a brand new -current ? lots of things that could > cause this has been fixed... >=20 > -S=F8ren > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.o= rg" --=20 Eduard Martinescu <martines@rochester.rr.com>
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