Hi Mark,
Mark J Musante wrote:
> On Mon, 8 Sep 2008, jan damborsky wrote:
>
>> Is there any way to release dump ZFS volume after it was activated by
>> dumpadm(1M) command ?
>
> Try 'dumpadm -d swap' to point the dump to the swap device.
That helped - since swap is on ZFS volume (which can't be
utilized as dump device), 'dumpadm -d swap' set dump to 'none' -
thus releasing dump ZFS volume:
# swap -l
swapfile dev swaplo blocks free
/dev/zvol/dsk/data/swap 253,2 16 4194288 4194288
# dumpadm -d swap
dumpadm: no swap devices could be configured as the dump device
# dumpadm
Dump content: kernel pages
Dump device: none (dumps disabled)
Savecore directory: /var/crash/tia
Savecore enabled: no
# zfs destroy data/dump ; echo $?
0
#
Thanks a lot !
Jan
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