Date: Fri, 14 Apr 2017 18:59:39 -0700 (PDT) From: "Rodney W. Grimes" <freebsd@pdx.rh.CN85.dnsmgr.net> To: Larry Rosenman <ler@lerctr.org> Cc: rgrimes@freebsd.org, "Ngie Cooper (yaneurabeya)" <yaneurabeya@gmail.com>, "src-committers@freebsd.org" <src-committers@freebsd.org>, Alan Somers <asomers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, Slawa Olhovchenkov <slw@zxy.spb.ru>, "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: <201704150159.v3F1xd0q009325@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <B6B4FC16-55E0-401B-8630-0B8F8C7850BB@lerctr.org>
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> 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@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@freebsd.org
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