Date: Tue, 27 Nov 2007 18:03:20 -0600 From: Josh Paetzel <josh@tcbug.org> To: freebsd-hackers@freebsd.org Cc: "firmdog@gmail.com" <firmdog@gmail.com> Subject: Re: ad0: WARNING - removed from configuration (atacontrol and gmirror relationship?) Message-ID: <200711271803.23264.josh@tcbug.org> In-Reply-To: <fa1676af0711271108o2bc1744apf1003bd1c637234c@mail.gmail.com> References: <fa1676af0711271108o2bc1744apf1003bd1c637234c@mail.gmail.com>
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--nextPart8908120.kgiLXA6sxj Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tuesday 27 November 2007 01:08:49 pm firmdog@gmail.com wrote: > This just happened on my server: > > Nov 22 03:21:11 sockeye kernel: ad0: TIMEOUT - WRITE_DMA retrying (2 > retries left) LBA=3D28892960 > Nov 22 03:21:11 sockeye kernel: ad0: WARNING - removed from configuration > Nov 22 03:21:11 sockeye kernel: GEOM_MIRROR: Device gm0s1: provider ad0 > disconnected. > Nov 22 03:21:11 sockeye kernel: GEOM_MIRROR: Request failed (error=3D6). > ad0[WRITE(offset=3D13881704448, length=3D12288)] > Nov 22 03:21:11 sockeye kernel: GEOM_MIRROR: Request failed (error=3D6). > ad0[WRITE(offset=3D14795718656, length=3D2048)] > Nov 22 03:21:11 sockeye kernel: GEOM_MIRROR: Request failed (error=3D6). > ad0[WRITE(offset=3D770891776, length=3D16384)] > Nov 22 03:21:11 sockeye kernel: ata0-master: FAILURE - WRITE_DMA timed out > Nov 22 03:21:11 sockeye kernel: GEOM_MIRROR: Request failed (error=3D5). > ad0[WRITE(offset=3D14793195520, length=3D2048)] > > Now the ad0 Master drive no longer exists: > > -su-2.05b$ sudo atacontrol list > ATA channel 0: > Master: no device present > Slave: acd0 <SONY CD-ROM CDU5212/5YS1> ATA/ATAPI revision 5 > ATA channel 1: > Master: ad2 <WDC WD800JB-00JJA0/05.01C05> ATA/ATAPI revision 6 > Slave: ad3 <WDC WD400BB-75FRA0/77.07W77> ATA/ATAPI revision 6 > > > What is the relationship between atacontrol and gmirror? > > > Why was the device removed completely? > > > Can I simply do this? (want to be sure as this box is remote) > > gmirror forget data > > atacontrol attach ata0 > > gmirror insert data ad0 IDE devices generally aren't hot swappable, so you're going to have to take= =20 the box down to replace the failed drive (that's why it detached from the=20 bus). Once you do that you can rebuild the gmirror. =2D-=20 Thanks, Josh Paetzel PGP: 8A48 EF36 5E9F 4EDA 5A8C 11B4 26F9 01F1 27AF AECB --nextPart8908120.kgiLXA6sxj Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQBHTLBLJvkB8SevrssRAhHAAJ9XXuGXa7OE9fkNo6cv1aG4SU0GAgCeJMaX dvgfvtdYZcFYq1XlVhTC06M= =OWgC -----END PGP SIGNATURE----- --nextPart8908120.kgiLXA6sxj--
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