Date: Thu, 15 Feb 2007 09:16:01 +0100 From: =?ISO-8859-2?Q?Nejc_=A9koberne?= <nejc@skoberne.net> To: questions@freebsd.org Subject: Device gm0 destroyed? Message-ID: <45D416C1.7090909@skoberne.net>
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This is a cryptographically signed message in MIME format. --------------ms080501070508070001020008 Content-Type: multipart/mixed; boundary="------------000507030607090504040000" This is a multi-part message in MIME format. --------------000507030607090504040000 Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 7bit Hello, I have a FreeBSD 5.3 system with ATA disk drives. I have created a mirror using these commands: # gmirror label -v -b round-robin gm0 /dev/ad0 # <modified /etc/fstab> # shutdown -r now # gmirror insert gm0 /dev/ad2 After a year, one of the disk failed. When it failed, the kernel crashed (some error with gmirror, I couldn't write it down). After the removal of the broken disk drive, after reboot, I get this: Feb 13 17:40:49 Router kernel: ad0: 78167MB <Maxtor 6Y080P0/YAR41BW0> [158816/16/63] at ata0-master UDMA100 Feb 13 17:40:49 Router kernel: GEOM_MIRROR: Device gm0 created (id=3252783474). Feb 13 17:40:49 Router kernel: GEOM_MIRROR: Device gm0: provider ad0 detected. Feb 13 17:40:49 Router kernel: GEOM_MIRROR: Force device gm0 start due to timeout. Feb 13 17:40:49 Router kernel: GEOM_MIRROR: Device gm0 destroyed. Feb 13 17:40:49 Router kernel: cd0 at ata1 bus 0 target 0 lun 0 Feb 13 17:40:49 Router kernel: cd0: <TEAC CD-552E 1.00> Removable CD-ROM SCSI-0 device Feb 13 17:40:49 Router kernel: cd0: 33.000MB/s transfers Feb 13 17:40:49 Router kernel: cd0: Attempt to query device size failed: NOT READY, Medium not present Feb 13 17:40:49 Router kernel: Mounting root from ufs:/dev/mirror/gm0s1a Feb 13 17:40:49 Router kernel: setrootbyname failed Feb 13 17:40:49 Router kernel: ffs_mountroot: can't find rootvp Feb 13 17:40:49 Router kernel: Root mount failed: 6 Feb 13 17:40:49 Router kernel: Feb 13 17:40:49 Router kernel: Manual root filesystem specification: Feb 13 17:40:49 Router kernel: <fstype>:<device> Mount <device> using filesystem <fstype> Feb 13 17:40:49 Router kernel: eg. ufs:da0s1a Feb 13 17:40:49 Router kernel: ? List valid disk boot devices Feb 13 17:40:49 Router kernel: <empty line> Abort manual input Feb 13 17:40:49 Router kernel: Feb 13 17:40:49 Router kernel: mountroot> If I boot with the broken drive, the kernel crashes at boot time again. Okay, let's say I undestand that, it's a bug somewhere in the gmirror code since 5.3 is not the freshest BSD anymore. So my question is: why is "Device gm0 destroyed."? I had to mount the filesystems using /dev/ad0 drive again, which is not what I really want if one of the drives dies - I think this way gmirror's RAID-1 fails to provide one of its basic functionalities - a working system when one of the drives fails. Thanks for your help, Nejc --------------000507030607090504040000-- --------------ms080501070508070001020008 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIILJDCC BY4wggR2oAMCAQICBDs9SfgwDQYJKoZIhvcNAQEFBQAwPTELMAkGA1UEBhMCc2kxGzAZBgNV BAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2lnZW4tY2EwHhcNMDMwOTIzMjAy MzA0WhcNMDgwOTIzMjA1MzA0WjCBgTELMAkGA1UEBhMCc2kxGzAZBgNVBAoTEnN0YXRlLWlu c3RpdHV0aW9uczERMA8GA1UECxMIc2lnZW4tY2ExFDASBgNVBAsTC2luZGl2aWR1YWxzMSww FAYDVQQDEw1ORUpDIFNLT0JFUk5FMBQGA1UEBRMNMjQ1NzExMzMxMjAxNDCBnzANBgkqhkiG 9w0BAQEFAAOBjQAwgYkCgYEA0LYrr3KrEMlye3H9j8KGvFx66+btGh7I/XXA/Pmog4+HMqqq MZZNmfbkKfC3D6NdXroteJSAwxoO3BU0HuCzyjHeaaZ63ayz7OAbYY3rwTN9rWTkRTAoghLk eA+R+0GA5gEbdudT4eV0vmYsfmKkpnnsQ+u13R9IgWPFT6zWoucCAwEAAaOCAtMwggLPMAsG 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