Just recently we had Solaris panic.
Yes - it happens ...
Since this server had a lot of memory I was waiting quite a long (a few hours ...). Of course after the panic I was looking for information how to speed up the crush dump. The first page I met was
Oracle Solaris 10 9/10 What's New (scroll down to "Fast Crash Dump"). So since Solaris 10 9/10 the performance of crash dump is improved a lot
by utilizes lightly used CPUs on large systems.
But just recently there was a new blog post by Steve Sistare about Fast Crash Dump. It describes internals (I love it :-) ) of the whole optimized process.
There is also additional document on Oracle support page How to Use the Oracle Solaris Fast Crash Dump Feature
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