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Date:      Fri, 14 Apr 2017 19:00:36 -0700
From:      Conrad Meyer <cem@freebsd.org>
To:        Larry Rosenman <ler@lerctr.org>
Cc:        "src-committers@freebsd.org" <src-committers@freebsd.org>,  "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>,  "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, Ngie Cooper <ngie@freebsd.org>
Subject:   Re: svn commit: r316938 - head/sbin/savecore
Message-ID:  <CAG6CVpVvDFiVDYCcSsk12tZwCGY9aP5b1t6U581z80O1VqCSdw@mail.gmail.com>
In-Reply-To: <B6B4FC16-55E0-401B-8630-0B8F8C7850BB@lerctr.org>
References:  <AB41FBB8-12D6-48D7-BE34-664D2F267A2F@lerctr.org> <201704150135.v3F1ZD2S009211@pdx.rh.CN85.dnsmgr.net> <B6B4FC16-55E0-401B-8630-0B8F8C7850BB@lerctr.org>

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Larry,

You just need to run netdumpd on the nearby server.  It could be a
port (although I'm not aware that it is ported yet).

Best,
Conrad

On Fri, Apr 14, 2017 at 6:37 PM, Larry Rosenman <ler@lerctr.org> wrote:
> On 4/14/17, 8:35 PM, "Rodney W. Grimes" <freebsd@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@fr=
eebsd.org
>
> What does it take for NetDump to work to a FreeNAS (9.10 nightly) server =
since that=E2=80=99s what is =E2=80=9Cnext to=E2=80=9D this server?
>
>
>



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