Date: Thu, 17 Jan 2013 11:11:08 +0800 From: Marcelo Araujo <araujobsdport@gmail.com> To: John <jwd@freebsd.org> Cc: FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Re: rc.d script for memory based zfs intent log Message-ID: <CAOfEmZiO8rORVZ3Sqg305tW1pfJSQbY%2BfGXnrvODjZcU-Fy-oQ@mail.gmail.com> In-Reply-To: <20130109023327.GA1888@FreeBSD.org> References: <20130109023327.GA1888@FreeBSD.org>
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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
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