Date: Sat, 19 Nov 2016 21:56:22 +0700 From: Victor Sudakov <vas@mpeks.tomsk.su> To: freebsd-questions@freebsd.org Subject: Re: hastd operation, stale primary Message-ID: <20161119145622.GA30297@admin.sibptus.transneft.ru> In-Reply-To: <20161116140613.GA39850@admin.sibptus.transneft.ru> References: <20161116140613.GA39850@admin.sibptus.transneft.ru>
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Nobody is using HAST? Victor Sudakov wrote: > > I have read https://www.freebsd.org/doc/handbook/disks-hast.html and > https://wiki.freebsd.org/HAST and still don't understand one thing. > > I configure host1 as "hastctl role primary all" and host2 as > "hastctl role secondary all" > > Then I switch off host1 and configure host2 as > "hastctl role primary all", fsck and mount /dev/hast/test, and write > files to it. So far so good. > > Then I switch on host1 again, unmount /dev/hast/test on host2 and > configure it as "hastctl role secondary all" and host1 as > "hastctl role primary all" again. > > When I mount /dev/hast/test on host1, I see that all the changes to my > files which have been made on host2, are gone!! > > Should not hastd detect that the primary on host1 is stale and > replicate the changes from host2? > > What am I doing wrong? How is host1 supposed to preempt host2 and > inherit the changes made while host2 was primary? > -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN sip:sudakov@sibptus.tomsk.ru
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