svn commit: r316938 - head/sbin/savecore

[Larry Rosenman]

On 4/14/17, 8:59 PM, "Rodney W. Grimes" <freebsd at pdx.rh.CN85.dnsmgr.net> wrote:

    > On 4/14/17, 8:35 PM, "Rodney W. Grimes" <freebsd at pdx.rh.CN85.dnsmgr.net> wrote:
    > 
    > > Yeah, I have the following:
    >     > borg.lerctr.org /home/ler $ swapctl -l
    >     > Device:       1024-blocks     Used:
    >     > /dev/mfid0p3    8388608         0
    >     > /dev/mfid1p3    8388608         0
    >     > /dev/mfid2p3    8388608         0
    >     > /dev/mfid3p3    8388608         0
    >     > /dev/mfid4p3    8388608         0
    >     > /dev/mfid5p3    8388608         0
    >     > borg.lerctr.org /home/ler $ sysctl hw.physmem
    >     > hw.physmem: 137368682496
    >     > borg.lerctr.org /home/ler $
    >     > 
    >     > SO 6 8G partitions (48G), but the dump is larger than 8G. 
    >     
    >     Larry,
    >       This is a very good concern and point given todays more
    >     common huge memory foot prints and lots of spindles.  I'll
    >     keep this in they back of my mind as I tromp around in the
    >     dump code.  I have another solution that may work for you
    >     and that is to use Netdump rather than swapdump.  This
    >     basically eliminates the trip to swap space and you end
    >     up going to savecore style output on the netdump server.
    >     
    >     -- 
    >     Rod Grimes                                                 rgrimes at freebsd.org
    >     
    > What does it take for NetDump to work to a FreeNAS (9.10 nightly) server since that?s what is ?next to? this server?  
    
    As a netdump server FreeNAS would be fairly trivial to compile the netdump
    client code for.    I should have running 11.0 and 10.2 code around
    some place.
    
    -- 
    Rod Grimes                                                 rgrimes at freebsd.org
    
I’m also running:
borg.lerctr.org /home/ler $ uname -a
FreeBSD borg.lerctr.org 12.0-CURRENT FreeBSD 12.0-CURRENT #23 r316945: Fri Apr 14 18:37:13 CDT 2017     root at borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER  amd64
borg.lerctr.org /home/ler $