ITEM: AA4516L

Problems with corrupted file system since changing logs

Question:

AIX:  3.2.3 ext.

DESC: Customer has 20+ file systems that have recently started
      showing up with "dirty" superblocks and file system 
      corruption ever since they changed the log devices for 
      those file systems.

ACT:  Checked one of the logical volume's Logical Volume Control 
      Block (LVCB) with the "getlvcb -AT LVNAME" command.  This 
      showed the name of the original log on the fs line.  However,
      /etc/filesystems shows the new (and correct) log for this
      file system.  fsck will use the information in /etc/filesystems
      and this information does appear to be correct.  However, the
      information in /etc/filesystems directly conflicts with the
      information in the LVCB.  We used the "chfs /FILESYSTEM" command
      for each of the file systems to update the LVCB with the correct 
      information found in /etc/filesystems.  This cleared up the
      file system corruption problems.



Support Line: Problems with corrupted file system since changing logs ITEM: AA4516L

Dated: August 1994 Category: N/A

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