Re: AIX 5.3 disaster recovery fro AIX newbie

From: Lindsey, James (James.Lindsey_at_BCBSFL.COM)
Date: 09/26/05

  • Next message: Kovetsky, Dmitry: "Re: AIX 5.3 disaster recovery fro AIX newbie" 
    Date:         Mon, 26 Sep 2005 14:36:43 -0400
To: aix-l@Princeton.EDU

    you can get into maint from NIM (if your using NIM) or CD media

    -----Original Message-----
    From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU]On Behalf Of Kovetsky, Dmitry
    Sent: Monday, September 26, 2005 2:20 PM
    To: aix-l@Princeton.EDU
    Subject: Re: AIX 5.3 disaster recovery fro AIX newbie

    Can I get into maint mode from hard drive or I will need an alternate media?

    -----Original Message-----
    From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On Behalf Of Lindsey, James
    Sent: Monday, September 26, 2005 11:48 AM
    To: aix-l@Princeton.EDU
    Subject: Re: AIX 5.3 disaster recovery fro AIX newbie

    go into maint mode, add an entry for root in /etc/passwd... ensure that system group is in /etc/system, ensure that login=true for root and then reboot. that will get you into the server to restore/rebuild the rest of the file.

    -----Original Message-----
    From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU]On Behalf Of Kovetsky, Dmitry
    Sent: Monday, September 26, 2005 1:20 PM
    To: aix-l@Princeton.EDU
    Subject: Re: AIX 5.3 disaster recovery fro AIX newbie

    >are you in the server in maint mode?
    No.
    > how do you know the file is ZERO length?
    I know just because I cannot get in and examined the script it ran. Script would result 0 /etc/passwd file. Too late though.

    -----Original Message-----
    From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On Behalf Of Lindsey, James
    Sent: Monday, September 26, 2005 11:05 AM
    To: aix-l@Princeton.EDU
    Subject: Re: AIX 5.3 disaster recovery fro AIX newbie

    how do you know the file is ZERO length? are you in the server in maint mode?

    -----Original Message-----
    From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU]On Behalf Of Kovetsky, Dmitry
    Sent: Monday, September 26, 2005 12:28 PM
    To: aix-l@Princeton.EDU
    Subject: AIX 5.3 disaster recovery fro AIX newbie

    Good morning everyone
    Now I've got a chance to practice AIX disaster recovery: one of the scripts smoked /etc/passwd file, to zero. Machine is micropartition, freshly installed but due to some reasons rebuild is not an option. Could you please advise how to I recover from this situation? (Way to boot to single user? Mount rootvg and restore passwd from other machine?)

    Thanks in advance

    Dmitry

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