Date: Tue, 16 Jun 2015 09:14:01 +0100 From: krad <kraduk@gmail.com> To: Raimund Sacherer <rs@logitravel.com> Cc: "Chad Leigh Shire.Net LLC" <chad@shire.net>, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: ZFS in a VM? Message-ID: <CALfReydtOj0xcQomZ=d31dNFsOdnjNTvuGvDj%2BuKLaHiQpUeCA@mail.gmail.com> In-Reply-To: <485432824.11228956.1434438820497.JavaMail.zimbra@logitravel.com> References: <CA%2Bsg5RQgF7%2BAQu9P0Bt8USF8722QCi=qJ2XQ8RbNQ92cv9tNTg@mail.gmail.com> <9C96EB4B-A230-4A26-BDC3-067367A61E34@shire.net> <378461483.10441535.1434361136704.JavaMail.zimbra@logitravel.com> <E8C14DEE-2BD2-4A6A-AE36-9A274FF59CAD@shire.net> <485432824.11228956.1434438820497.JavaMail.zimbra@logitravel.com>
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Unless you are really squeezing the ram it shouldnt be a problem and by that i mean going below 1 GB. Its also best to stay away from 32 bit if you want to run zfs. On 16 June 2015 at 08:13, Raimund Sacherer <rs@logitravel.com> wrote: > > > Good morning. You don=E2=80=99t want to go start mucking with sysctl le= vel things > > until you have identified issues. Each installation is different, > especially > > inside a VM. For example, ours are not VMWare based and probably perfor= m > > totally differently at the level ZFS uses. Try a stock install and see > what > > issues you run up against. > > Good morning to you to :-) > > Yeah, I thought there may be some recommended tuneables for ZFS in a > virtualised setting. I read about problems with ARC cache size on low > memory / low free memory systems which could lead to a panic if the ARC > size grows to some kernel memory limit, so restricting the ARC cache size > may be needed. But you are right, it seems I just have to throw myself in > to the water and find out if I can swim. > > Thank you, > Best > Ray > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org"
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