Date: Sat, 19 Nov 2022 19:57:47 +0100 From: =?utf-8?Q?Chlast=C3=A1k_Miroslav?= <mira@chlastak.cz> To: Warner Losh <imp@bsdimp.com> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: loader.conf and rootdev option for memory disk Message-ID: <F3702494-1433-4324-B972-52FBD84EFFD8@chlastak.cz> In-Reply-To: <CANCZdfqGhHXCJtUOctpoB-sAuxSdzJZERSBritTazp_uragZ=Q@mail.gmail.com> References: <2E58D34B-F8C5-4291-B019-9E24F56DC3DF@chlastak.cz> <CANCZdfqGhHXCJtUOctpoB-sAuxSdzJZERSBritTazp_uragZ=Q@mail.gmail.com>
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[-- Attachment #1 --] I have my device working for now - but the question is - Is the documentation and example for “rootdev” right or not? — Mira > On 18 Nov 2022, at 21:13, Warner Losh <imp@bsdimp.com> wrote: > > > > On Fri, Nov 18, 2022 at 12:57 PM Chlasták Miroslav <mira@chlastak.cz <mailto:mira@chlastak.cz>> wrote: > Hi all, > > In the /boot/defaults/loader.conf are these options for memory disk settings: > > #mdroot_load="YES" # The "mdroot" prefix is arbitrary. > #mdroot_type="md_image" # Create md(4) disk at boot. > #mdroot_name="/boot/root.img" # Path to a file containing the image. > #rootdev="ufs:/dev/md0" # Set the root filesystem to md(4) device. > > > But - is this example for rootdev option still right? Because “ufs:/dev/md0” works fine on freebsd 12.1, but on freebsd 12.3 this does not work and generates error message: > > Can’t determine root device > > > When I use this option with value “/dev/md0” or “md0” (even with this option commented out), so the machine boots correctly without any error. > > I think you want vfs.root.mountfrom= instead of rootdev= here. > > Warner > > — > Mira [-- Attachment #2 --] <html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I have my device working for now - but the question is - Is the documentation and example for “rootdev” right or not?<div class=""><br class=""></div><div class="">—</div><div class="">Mira<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 18 Nov 2022, at 21:13, Warner Losh <<a href="mailto:imp@bsdimp.com" class="">imp@bsdimp.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><br class="Apple-interchange-newline"><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div class="gmail_quote" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div dir="ltr" class="gmail_attr">On Fri, Nov 18, 2022 at 12:57 PM Chlasták Miroslav <<a href="mailto:mira@chlastak.cz" class="">mira@chlastak.cz</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div style="overflow-wrap: break-word;" class="">Hi all,<div class=""><br class=""></div><div class="">In the /boot/defaults/loader.conf are these options for memory disk settings:</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">#mdroot_load="YES" # The "mdroot" prefix is arbitrary.</div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">#mdroot_type="md_image" # Create md(4) disk at boot.</div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">#mdroot_name="/boot/root.img" # Path to a file containing the image.</div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">#rootdev="ufs:/dev/md0" # Set the root filesystem to md(4) device.</div></div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class=""><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class=""><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">But - is this example for rootdev option still right? Because “ufs:/dev/md0” works fine on freebsd 12.1, but on freebsd 12.3 this does not work and generates error message:</div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class=""><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">Can’t determine root device</div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class=""><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class=""><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">When I use this option with value “/dev/md0” or “md0” (even with this option commented out), so the machine boots correctly without any error.</div></div></blockquote><div class=""><br class=""></div><div class="">I think you want vfs.root.mountfrom= instead of rootdev= here.</div><div class=""><br class=""></div><div class="">Warner</div><div class=""> </div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div style="overflow-wrap: break-word;" class=""><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">—</div><div style="margin: 0px; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";" class="">Mira</div></div></blockquote></div></div></blockquote></div><br class=""></div></body></html>help
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