Date: Thu, 7 Aug 2014 15:53:34 -0500 From: Adam Vande More <amvandemore@gmail.com> To: Mike Tancsa <mike@sentex.net> Cc: "freebsd-emulation@freebsd.org" <emulation@freebsd.org> Subject: Re: Making disk IO place nicely in a guest (VirtualBox) Message-ID: <CA%2BtpaK2VzHWrDg1H0XFhEtFPpZ_Q77iCDOJDLBSBS_8YpWEN2Q@mail.gmail.com> In-Reply-To: <53E3C33E.5030004@sentex.net> References: <53E3C33E.5030004@sentex.net>
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On Thu, Aug 7, 2014 at 1:19 PM, Mike Tancsa <mike@sentex.net> wrote: > Hi, > I am running VirtualBox on RELENG_10 as the hypervisor with a > RELENG10 guest. I noticed, that when a do a lot of disk IO in the guest > where the hypervisor cannot keep up, this start to go "bad" in the guest. > > If I use the non default AHCI driver, the OS at least can kind of recover. > Using the default IDE drivers (non SATA , things panic quickly.) > > Is there a way to make the guest OS "slow down" on how fast it can write > out things to avoid it going into an error state as below ? > > Is your swap device ZFS backed like a ZVOL or something? -- Adam
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