Ext3 corruption using cluster

Christian Kujau lists at nerdbynature.de
Sat May 9 07:59:56 UTC 2009

On Thu, 7 May 2009, Stefano Cislaghi wrote:
> During a normal switch, operations done are:
> - oracle shutdown abort
> - oracle listernet shutdown
> - umount fs (using  umount -l )

I'm not all too Oracle cluster savvy, but this lazy umount looks 
kinda suspicious. From the manpage:

   > Detach the filesystem from the filesystem hierarchy now, and cleanup 
   > all references to the filesystem as soon as it is not busy anymore

My wild guess: node1 has been shut down, did a lazy umount, so that 
node2 could mount it but node1 was still writing to the fs (i.e. it was 
still in use)?

Bruce Schneier's first program was encrypt world.

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