Date: Wed, 16 Jan 2013 20:21:43 -0800 From: Matthew Ahrens <mahrens@delphix.com> To: araujo@freebsd.org Cc: FreeBSD Filesystems <freebsd-fs@freebsd.org>, John <jwd@freebsd.org> Subject: Re: rc.d script for memory based zfs intent log Message-ID: <CAJjvXiEqErtfuY_g9uB853w1yU0u2C845m9ey=vvgEOMMh%2BAdA@mail.gmail.com> In-Reply-To: <CAOfEmZiO8rORVZ3Sqg305tW1pfJSQbY%2BfGXnrvODjZcU-Fy-oQ@mail.gmail.com> References: <20130109023327.GA1888@FreeBSD.org> <CAOfEmZiO8rORVZ3Sqg305tW1pfJSQbY%2BfGXnrvODjZcU-Fy-oQ@mail.gmail.com>
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Pardon my inexperience with FreeBSD, but is this ramdisk persistent across reboots? POST doesn't overwrite it? --matt On Wed, Jan 16, 2013 at 7:11 PM, Marcelo Araujo <araujobsdport@gmail.com> wrote: > 2013/1/9 John <jwd@freebsd.org> > >> http://people.freebsd.org/~jwd/memzil.txt > > > Hello John, > > In my point of view this script seems be very useful, and I probably will > use it in my product. > > As an example, I faced out few problems on system reboot/shutdown, I use > Ramdisk as ZIL, when normal reboot/shutdown the ramdisk will disappear, > because right now there is nothing to detach the ramdisk safely. I do > believe with this script I can attache a new ZIL in every boot and detach > it safely when perform a reboot/shutdown. > > I use some tricks with my ZIL, it is mirrored using RAM and the RAM has its > own battery to protect the data, my main problem is what I described above. > I don't think sync=disable is a good option, regards you can loose data. > > Nice script! > > Thanks! > -- > Marcelo Araujo > araujo@FreeBSD.org > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
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