Solaris: Unexpected Kernel panic…

Last week at work, we found a machine that got some file-systems unmounted and a colleague decided -as almost anyone would have done- to mount them and check if there is data inside…

Suddenly, the machine had a kernel panic and rebooted. WTF?!

“Simple” explication:

  • By design, Solaris kernel would crash when any inconsistency is found on a file-system.
  • Machine was in production.
  • Lesson learn: NEVER mount a file-system without first check it by fsck.

I’ll never understand some “design” things …

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