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.
I found some information that dumping to network devices (like the iscsi
one) does
not work, because the underlying network stack is multi-threaded and
when panic'ing
the kernel goes into single threaded mode and disables interrupts so
would require
polling?
But does this hinder USB device dumps as well? If yes, are there any
efforts under
way to support USB and/or network dump devices in future?
What are the OpenSolaris 2009.06 supported dump devices anyway? SATA,
SCSI, FC?
Thanks in advance,
--Marcus
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