Date: Wed, 01 Feb 2006 10:52:28 +0200 From: Ville Lundberg <freebsd@juiceless.net> To: freebsd-questions@freebsd.org Subject: gmirror: degraded, Component ad4 (device gm0) broken, skipping. Message-ID: <43E076CC.2090107@juiceless.net>
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Hi, one of my clients had a problem with their server and had to cold reboot it. It's running 6.0-release-p4. As I feared, the harddrives did not like the reboot, and gmirror now states it is degraded. I have no chance to get to the server console any time soon, so I thought someone could help me check that this procedure I planned is OK - I probably have to explain via telephone or email to the client how to do it, and they certainly aren't technical people. Boot message: Feb 1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0 created (id=4091963512). Feb 1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider ad4 detected. Feb 1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider ad6 detected. Feb 1 08:40:51 portfolio kernel: GEOM_MIRROR: Component ad4 (device gm0) broken, skipping. Feb 1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider ad6 activated. Feb 1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider mirror/gm0 launched. so one of the SATA harddrives is lost from the mirror. The harddrive is probably ok, as it's just one week old. If I understood it correctly, I should do gmirror forget gm0 gmirror insert gm0 ad4 and this should build the mirror again? If this fails, the hd is really physically broken? --Ville gmirror list: Geom name: gm0 State: DEGRADED Components: 2 Balance: round-robin Slice: 4096 Flags: NONE GenID: 1 SyncID: 1 ID: 4091963512 Providers: 1. Name: mirror/gm0 Mediasize: 37019565568 (34G) Sectorsize: 512 Mode: r6w6e7 Consumers: 1. Name: ad6 Mediasize: 37019566080 (34G) Sectorsize: 512 Mode: r1w1e1 State: ACTIVE Priority: 0 Flags: NONE GenID: 1 SyncID: 1 ID: 1675341426
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