zfs discuss - Feb 2008 - Is swap still needed on c0d0s1 to get crash dumps?

Lori Alt writes in the netinstall README that a slice 
should be available for crash dumps. In order to get
this done the following line should be defined within
the profile:

filesys c0[t0]d0s1 auto swap

So my question is, is this still needed and how to
access a crash dump if it happened?

Roman
 
 
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Roman Morokutti wrote:
> Lori Alt writes in the netinstall README that a slice 
> should be available for crash dumps. In order to get
> this done the following line should be defined within
> the profile:
>
> filesys c0[t0]d0s1 auto swap
>
> So my question is, is this still needed and how to
> access a crash dump if it happened?
>   
The dumpadm command can be used to manage dump devices.
The key is that today, you can''t use ZFS for a dump device.  So if you
want to collect dumps, you''ll need to use a non-ZFS device to do so.
For many people, the historic use is a swap device on slice 1 which
is also the default dump device.  So yes, this will work, but no it is
not a requirement.
 -- richard

Thank you for your info. So with dumpadm I can
manage crash-dumps. And if ZFS is not capable
of handling those dumps, who cares. Then I will
create an extra slice for those purposes. No 
problem.

Roman
 
 
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