Marcus Heine wrote:
Hi,
I am currently playing around with diskless Solaris (iscsi, network
booted ramdisk, etc)
and found that dumpadm allows me to configure a USB stick or an iscsi
device as a dump
device no problem, like
dumpadm -c kernel -d /dev/dsk/...
but testing this with "reboot -d" did not result in any crashdump
activity.
The x86 system just hung for about 5 seconds and then reset.
How are you concluding there was no "crashdump activity"?
To me, that sounds like it was dumping to the USB stick - 5 seconds
could be about right for a fast x86 system.
Did you check for a corresponding panic message in the /var/adm/messages
file when the system came back up?
OpenSolaris 2009.06 shipped with savecore disabled by default (see
http://defect.opensolaris.org/bz/show_bug.cgi?id=5003 - it seems it
should have been fixed for 0906 but wasn't). Check the output of dumpadm
(example below), and check that savecore is enabled. If not, then run
"dumpadm -y" to enable it.
# dumpadm
Dump content: kernel pages
Dump device: /dev/zvol/dsk/rpool/dump (dedicated)
Savecore directory: /var/crash/opensol
Savecore enabled: yes
Regards,
Brian
--
Brian Ruthven
Solaris Revenue Product Engineering
Sun Microsystems UK
Sparc House, Guillemont Park, Camberley, GU17 9QG
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