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Conference aosg::lsm

Title:LSM
Moderator:SMURF::SHIDERLY
Created:Mon Jan 17 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:803
Total number of notes:2852

777.0. "Boot with mirrored OS disks failed." by HGOVC::XFMV01::SUDHIRB () Fri Mar 28 1997 15:04

    hi folks,
    
    we have configured an AS4000 to have mirrored OS disks.
    this has been done using the volrootmir command after the
    required encapsulation procedures.
    
    On REBOOTING the system (with the mirrored OS disks) the 
    root file system does not get mounted . Some /tmp/shXXX
    files cannot be created etc. To sum it up, the volume is not
    started. 
    
    Has anyone faced this problem before.
    
    We need a solution to this urgently as we have to run a benchmark
    tomorrow and need to incorporate mirroring of OS disk.
    
    Thanx in advance for your inputs.
    
    Regards
    Sudhir.
    Digital Technical Support
    India.
    
    
    
T.RTitleUserPersonal
Name
DateLines
777.1More info needed !BACHUS::DEVOSManu Devos DEC/SI Brussels 856-7539Sat Mar 29 1997 13:4514
    Did you let volrootmit the time to make a whole copy of the volumes?
    
    Did you change the BOOTDEF_DEV console variable to include the list of
    your TWO boot devices (DKA0,DKB0)
    
    Is your /tmp directory not changed to a symbolic link ?
    
    Did you not forget to mirror /usr (and maybe /var) ?
    
    Can you be more accurate ?
    
    Manu.
    
    
777.2still more info neededSMURF::SCHLOSSMon Mar 31 1997 14:333
    What version of the OS are you running?
    
    Please provide a complete transcript of the failed boot.