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Date:      Sun, 24 Apr 2005 11:43:43 +0200
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        FreeBSD-CURRENT <current@freebsd.org>, freebsd-geom@freebsd.org
Subject:   Re: gmirror: Not all disks connected
Message-ID:  <20050424094343.GA837@darkness.comp.waw.pl>
In-Reply-To: <20050424022434.GA3384@laptoxa.toxa.lan>
References:  <20050424022434.GA3384@laptoxa.toxa.lan>

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On Sun, Apr 24, 2005 at 06:24:34AM +0400, Toxa wrote:
+> I've installed 5.4-rc3 recently and decided to play with geom gmirror. I
+> have two fresh SAMSUNG SP0411N/TW100-11, so I've put it together and
+> followed steps described in http://people.freebsd.org/~rse/mirror/.
+> Everything was ok, but when I rebooted with "the final two-disk GEOM
+> mirror setup", I've noticed what it's probably still one disk in gm0:
+>=20
+> Timecounter "TSC" frequency 1817908512 Hz quality 800
+> Timecounters tick every 10.000 msec
+> ad0: 38203MB <SAMSUNG SP0411N/TW100-11> [77619/16/63] at ata0-master
+> UDMA100
+> ad1: 38204MB <SAMSUNG SP0411N/TW100-11> [77622/16/63] at ata0-slave
+> UDMA100
+> GEOM_MIRROR: Device gm0 created (id=3D2404813840).
+> GEOM_MIRROR: Device gm0: provider ad1 detected.
+> GEOM_MIRROR: Force device gm0 start due to timeout.
+> GEOM_MIRROR: Device gm0: provider ad1 activated.
+> GEOM_MIRROR: Device gm0: provider mirror/gm0 launched.
+> Mounting root from ufs:/dev/mirror/gm0s1a
+>=20
+>=20
+> Well, maybe I've lost last changes ang gmirror still lives with ad1 only=
?=20
+>=20
+> cymbal# gmirror list
+> Geom name: gm0
+> State: DEGRADED
+> Components: 2
+> Balance: round-robin
+> Slice: 4096
+> Flags: NONE
+> GenID: 0
+> SyncID: 3
+> ID: 2404813840
+> Providers:
+> 1. Name: mirror/gm0
+> 	   Mediasize: 40060403200 (37G)
+> 	   Sectorsize: 512
+> 	   Mode: r7w7e2
+> Consumers:
+> 1. Name: ad1
+>    Mediasize: 40060403712 (37G)
+>    Sectorsize: 512
+>    Mode: r1w1e1
+>    State: ACTIVE
+>    Priority: 0
+>    Flags: DIRTY
+>    GenID: 0
+>    SyncID: 3
+>    ID: 3247857729
+>=20
+>=20
+> When I tried to repeat last steps, I got message "Not all disks connecte=
d".
+>=20
+> cymbal# gmirror configure -a gm0
+> Not all disks connected.
+> cymbal# gmirror status
+>       Name    Status  Components
+> 	  mirror/gm0  DEGRADED  ad1
+>=20
+>=20
+> It seems like gmirror think I've lost ad0, but it's ok.
+> I've tried to play with gmirror utility but in most cases I've got "Not
+> all disk connected" message.

Please read description of 'forget' subcommand.

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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