Date: Mon, 12 Oct 2015 15:56:22 -0400 From: Dan Langille <dan@langille.org> To: freebsd-performance@freebsd.org Subject: Re: Measuring ZFS configuration differences Message-ID: <85CC5C81-9A5A-47D4-9111-DCE5DD7E2E96@langille.org> In-Reply-To: <8B37FEDC-218A-4071-8CB7-48361BB72B1D@langille.org> References: <8B37FEDC-218A-4071-8CB7-48361BB72B1D@langille.org>
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[-- Attachment #1 --] > On Oct 12, 2015, at 1:00 PM, Dan Langille <dan@langille.org> wrote: > > Following up on the discussions during EuroBSDCon 2015 (Stockholm) during the FreeBSD Developer > Summit regarding various ZFS configuration settings, I write to start our implementation phase now that some > usual suspects have joined the list. > > re https://wiki.freebsd.org/201510DevSummit/Performance > > I think the first order of business is granting access rights to the server (varm) in question: > > http://dan.langille.org/2015/07/19/varm/ > > During the workshop, mention was made of serial access. I can arrange that. > > The server has IPMI, however, my first thought: > > 1 - connect a USB-serial cable to varm & link that to another server in my rack. > 2 - create a jail in that server and give it access to that serial connection > 3 - redirect incoming port XYZ to that jail via a public-key-only ssh connection > 4 - give people access > > Any suggestions? For the record, we are working with spinning HDD. Donations of SSD (either physical or remote usage thereof) are welcomed. Our intent is to publish reproducible results which are not dependent upon your particular choice of HDD (and hopefully, SSD). — Dan Langille http://langille.org/ [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iQJ8BAEBCgBmBQJWHBBsXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ1MTE2RjM0ODIzRDdERDM4OTY0OUJBNzdF QjIxNTlERUU5NzI3MzlGAAoJEOshWd7pcnOfY2MP/iCUxRx+xTcnheBa35qq9fcl erZ97ztKLY437XZGy5yKOS3V+Ae5DpVKkX8YKsdqBDXcdAjivX9u75hHfhaCP7GY ilMKiZLMyCQ24qABxLq6gNXFmTbtmag91928MZGUAvt8SNs/Xrt+S/r4kVJktRTC 6MChSBr99grJD7cShMStbRqkgh4wzdcjILlEJhXREz4S4ecy8e5BefnYneYVpV1T dptJYffnxl/MIBUrTo/i/mTzs9bvrfpjWp2UZzrQqQvcNKVaXA7csGlk0X4DgsK3 p3oxVc+Z5jNptDnxB3Y1FTtJuGjO/yE+7o1S2DC4cY3SJ+vEQQlZSzk7ZvPi9rfd H83LEMHI3HcrovFS5g3geQ/wmZbGUWQsQfqMFaFMwZz07yQRV/u8cUcaHC8pTWVH pnb5a34grGZ+sFYJMyy+GIf/wRL0Y8ETpZEywfTVjtKXbD5Ty1gBURY0PCP1zgL4 RSG7pzbdDdTaIempoaXoNcmuXb9a2xjv9KlqDhZ6cAaxkjQ1OM4BIOo7V08QpBw5 I+ad1XUcXpiceAm0WQXIru17t2cUo8dAtIfES06WqkW0IKdU/OG3G0W/idVTvBdl rVB55xJTXjehXzQr1FdZhZ7ntcwJ+HU9pn7xdmV25Df8vlIMM2hy1E5tJ6Xk2i3N NggSk3YCnRKZQ+NmlZN5 =ECBe -----END PGP SIGNATURE-----
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