Re: mdadm upgrade easy or brain surgery?

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On Monday November 21, jeff@xxxxxxx wrote:
> 
> Hi all,
> 
> Debian is a little slow tracking mdadm, and currently ships version
> 1.9 in unstable. Of course, I want to try out the fancy new features
> in mdadm 2.1 to match my shiny new 2.6.14 (Debian stock) Linux kernel.
> 
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=337903
> 
> Is upgrading mdadm the type of thing that requires exquisite care,
> meticulous expertise, and a sacrificial goat to the data safety gods?
> Or can a naive oaf like me blurt the latest unpatched mdadm onto a
> production system and probably come out just fine?

It should be fairly hard to get it wrong, except for one little issue.

The debian maintainer of mdadm chose to relocate '/etc/mdadm.conf' to
'/etc/mdadm/mdadm.conf'.  So you might have your mdadm.conf in the
later location, but a freshly compiled mdadm will look for it in the
former location.  You should be able to work around this though.

So, go for it!!!

NeilBrown
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