I would prefer ext2 as a shared partition :

<= /div>

I tried

ext2srv

= mount -c /srv/ext2 /n/hostfs /dev/sdD0

and= this results in an error message :

mount: mount /n/hostfs = : no file system device specified

I looked= in the man pages and on internet but couldn't find an example for moun= ting a harddisk or a setup to share files between host and guest.

Perhaps someone can point out how to exchange data= using virtual harddisks or u9fs.

Thanks i= n advance

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identity=mailfrom; envelope-from="a@9srv.net"; helo=9srv.net; client-ip=144.202.19.161 Received: from 9srv.net (hood.9srv.net [144.202.19.161]) by tb-mx0.topicbox.com (Postfix) with ESMTP for <9fans@9fans.net>; Mon, 12 Apr 2021 03:50:03 -0400 (EDT) (envelope-from a@9srv.net) Received: from [10.1.20.250] ([174.25.26.104]) by 9srv.net; Mon Apr 12 00:49:42 PDT 2021 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable From: Anthony Sorace Mime-Version: 1.0 (1.0) Subject: Re: [9fans] searching advice Date: Mon, 12 Apr 2021 00:49:41 -0700 Message-Id: References: <16181783940.1FDE2bc8.20411@composer.9fans.topicbox.com> In-Reply-To: <16181783940.1FDE2bc8.20411@composer.9fans.topicbox.com> To: 9fans <9fans@9fans.net> X-Mailer: iPad Mail (18D70) Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: b7a908dc-9b63-11eb-98b2-b7a324599d12 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMjY3ZGJlNjA1YTM2YTJmNS1NOGE0ZmQ0Y2YzMTAxMmNiNGNmMjE0?= =?UTF-8?B?M2EwPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M8a4fd4cf31012cb4cf2143a0:1:c_xjcekp12VP2jaS2w1yUC53h6pDpEJ6do9Ye_kkVqo I can=E2=80=99t help too much with ext, but: > mount -c /srv/ext2 /n/hostfs /dev/sdD0 That part=E2=80=99s almost certainly wrong. /dev/sdD0 will be a directory; 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x-return-mx=pass smtp.domain=amazonses.com policy.is_org=yes (MX Records found: feedback-smtp.us-east-1.amazonses.com); x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES256-SHA384 smtp.bits=256/256; x-vs=clean score=0 state=0 X-ME-VSCause: gggruggvucftvghtrhhoucdtuddrgeduledrudekfedgudefudculddtuddrgeduhedrtd dtmdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpggft fghnshhusghstghrihgsvgdpuffrtefokffrpgfnqfghnecuuegrihhlohhuthemuceftd dtnecunecujfgurhephfgtgfgguffffhfvjgfkofesthhqredthhdtjeenucfhrhhomhep ofgrtghkucghrghllhgrtggvuceomhgrtghksgifsehmrghpihhnthgvrhhnvghtrdgtoh hmqeenucggtffrrghtthgvrhhnpefhkeeiledtveevheetueethfffieeggffhffeuhfej tdejkeeuudeuheegffdvfeenucffohhmrghinhepghhithhhuhgsrdgtohhmnecukfhppe ehgedrvdegtddruddurdduvddunecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghm pehinhgvthepheegrddvgedtrdduuddruddvuddphhgvlhhopegrudduqdduvddurdhsmh htphdqohhuthdrrghmrgiiohhnshgvshdrtghomhdpmhgrihhlfhhrohhmpeeotddutddt tddujeektgeijedtiedtkegvqddvledtvgdugegvhedqfhehuggrqdegiegvrgdqrgefke guqdgrvddtkeduvgejughffegrfhdqtddttddttddtsegrmhgriihonhhsvghsrdgtohhm qe X-ME-VSScore: 0 X-ME-VSCategory: clean Received-SPF: pass (amazonses.com: 54.240.11.121 is authorized to use '01000178c670608e-290e14e5-f5da-46ea-a38d-a2081e7df3af-000000@amazonses.com' in 'mfrom' identity (mechanism 'ip4:54.240.0.0/18' matched)) receiver=tb-mx1.topicbox.com; identity=mailfrom; envelope-from="01000178c670608e-290e14e5-f5da-46ea-a38d-a2081e7df3af-000000@amazonses.com"; helo=a11-121.smtp-out.amazonses.com; client-ip=54.240.11.121 Received: from a11-121.smtp-out.amazonses.com (a11-121.smtp-out.amazonses.com [54.240.11.121]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx1.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Mon, 12 Apr 2021 10:15:57 -0400 (EDT) (envelope-from 01000178c670608e-290e14e5-f5da-46ea-a38d-a2081e7df3af-000000@amazonses.com) X-Default-Received-SPF: pass (skip=loggedin (res=PASS)) x-ip-name=50.202.122.66; envelope-from=; From: Mack Wallace Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\)) Subject: Re: [9fans] searching advice Date: Mon, 12 Apr 2021 14:15:56 +0000 References: <16181783940.1FDE2bc8.20411@composer.9fans.topicbox.com> To: 9fans <9fans@9fans.net> In-Reply-To: <16181783940.1FDE2bc8.20411@composer.9fans.topicbox.com> Message-ID: <01000178c670608e-290e14e5-f5da-46ea-a38d-a2081e7df3af-000000@email.amazonses.com> X-Mailer: Apple Mail (2.3608.120.23.2.1) X-Authenticated-User: mackbw@mapinternet.com Feedback-ID: 1.us-east-1.X+xhoL9JiEQ8K0gzGjV36WZnSewOzOs8YCWuakKsLBY=:AmazonSES X-SES-Outgoing: 2021.04.12-54.240.11.121 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 9d54ea24-9b99-11eb-b6d6-fad08ce95f76 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMjY3ZGJlNjA1YTM2YTJmNS1NYjE5MWU2Y2ZjNDI4ODZlZmU5ODQy?= =?UTF-8?B?ODJkPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mb191e6cfc42886efe984282d:1:hPBXpmaZCSHAQmggWman8gc7cdSiZTdfucO61ybUmSE I recently stumbled through the process of compiling u9fs for a linux machi= ne and then connecting to it from a 9front computer. Perhaps that will work? u9fs is a program for linux / unix that allows plan 9 boxes to connect with= 9fs. The source for it was in /sys/src/cmd/unix in the =E2=80=98labs versi= on of Plan 9. I did not see it at that location in 9front and I don=E2=80= =99t know if it is included, either on that distribution or on 9legacy. The= re is also a git site, https://github.com/unofficial-mirror/u9fs, which I r= ecently used and seems to work. There are also some useful notes on how to = set up u9fs in the Readme.md file in that git distribution. For my distribution, modifying inetd.conf and services in /etc of the linux= box is what was applicable. This may be different depending on your linux = distribution. in my inetd.conf I added the line: u9fs stream tcp nowait root /bin/9/u9fs u9fs -a none -u = root note: by using -a none -u root, anyone can 9fs into the linux box and have = root access to your file system. I=E2=80=99ve just started out in a lab env= ironment where I am not worried about that. If you look at the u9fs man pag= e there are ways of better securing the connection. in my services I added: u9fs 564/tcp 9fs After rebooting, (with the compiled u9fs in /bin/9/), I was then able to 9f= s from the plan 9 box into the linux box. Hope that helps.=20 > On Apr 11, 2021, at 5:59 PM, ibrahim.a.71 via 9fans <9fans@9fans.net> wro= te: >=20 > Hi 9fans, >=20 > I'm currently trying plan9. During my test phase I installed 9legacy on q= emu. Everythings works fine but I couldn't master to exchange files with m= y host system (linux). I tried a virtfs, virtual fat drives an ext image an= d failed mounting the filesystem in plan9 >=20 > I would prefer ext2 as a shared partition : >=20 > I tried >=20 > ext2srv > mount -c /srv/ext2 /n/hostfs /dev/sdD0 >=20 > and this results in an error message : > mount: mount /n/hostfs : no file system device specified >=20 > I looked in the man pages and on internet but couldn't find an example fo= r mounting a harddisk or a setup to share files between host and guest.=20 >=20 > Perhaps someone can point out how to exchange data using virtual harddisk= s or u9fs. >=20 > Thanks in advance > 9fans / 9fans / see discussions + participants + delivery options Permali= nk ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T267dbe605a36a2f5-Mb191e= 6cfc42886efe984282d Delivery options: https://9fans.topicbox.com/groups/9fans/subscription From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 3497 invoked from network); 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dmarc=pass policy.published-domain-policy=none policy.published-subdomain-policy=quarantine policy.applied-disposition=none policy.evaluated-disposition=none (p=none,sp=quarantine,d=none,d.eval=none) policy.policy-from=p header.from=gmail.com; spf=pass smtp.mailfrom=skip.tavakkolian@gmail.com smtp.helo=mail-qk1-f178.google.com; x-internal-arc=fail (as.1.topicbox.com=pass, ams.1.topicbox.com=fail (body has been altered)) (Message modified while forwarding at Topicbox) X-Received-Authentication-Results: tb-mx1.topicbox.com; arc=none (no signatures found); bimi=skipped (DMARC Policy is not at enforcement); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=CcXAWsPk header.a=rsa-sha256 header.s=20161025 x-bits=2048; dmarc=pass policy.published-domain-policy=none policy.published-subdomain-policy=quarantine policy.applied-disposition=none policy.evaluated-disposition=none (p=none,sp=quarantine,d=none,d.eval=none) policy.policy-from=p header.from=gmail.com; iprev=pass smtp.remote-ip=209.85.222.178 (mail-qk1-f178.google.com); spf=pass smtp.mailfrom=skip.tavakkolian@gmail.com smtp.helo=mail-qk1-f178.google.com; x-aligned-from=pass (Address match); x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=gTNHS1WW; x-me-sender=none; x-ptr=pass smtp.helo=mail-qk1-f178.google.com policy.ptr=mail-qk1-f178.google.com; x-return-mx=pass header.domain=gmail.com policy.is_org=yes (MX Records found: alt2.gmail-smtp-in.l.google.com,gmail-smtp-in.l.google.com,alt3.gmail-smtp-in.l.google.com,alt1.gmail-smtp-in.l.google.com,alt4.gmail-smtp-in.l.google.com); x-return-mx=pass smtp.domain=gmail.com policy.is_org=yes (MX Records found: alt2.gmail-smtp-in.l.google.com,gmail-smtp-in.l.google.com,alt3.gmail-smtp-in.l.google.com,alt1.gmail-smtp-in.l.google.com,alt4.gmail-smtp-in.l.google.com); x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES256-GCM-SHA384 smtp.bits=256/256; x-vs=clean score=0 state=0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=9fans.net; h= mime-version:references:in-reply-to:from:date:message-id:subject :to:content-type:content-transfer-encoding:list-help:list-id :list-post:list-subscribe:reply-to:list-unsubscribe; 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Mon, 12 Apr 2021 08:33:36 -0700 (PDT) MIME-Version: 1.0 References: <16181783940.1FDE2bc8.20411@composer.9fans.topicbox.com> In-Reply-To: <16181783940.1FDE2bc8.20411@composer.9fans.topicbox.com> From: Skip Tavakkolian Date: Mon, 12 Apr 2021 08:33:25 -0700 Message-ID: Subject: Re: [9fans] searching advice To: 9fans <9fans@9fans.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 75f04860-9ba4-11eb-8836-bcce54477e60 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMjY3ZGJlNjA1YTM2YTJmNS1NZjY0ZjFmYWNiYWY2MmY0Yjc0MjBi?= =?UTF-8?B?ZmEzPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mf64f1facbaf62f4b7420bfa3:1:UL6c79l0Drwr9hmTzwZ36msTpByPTcYz-bYSYOasulo what happens if you use mntgen first? mntgen ext2srv mount -c ... # etc On Sun, Apr 11, 2021 at 3:01 PM ibrahim.a.71 via 9fans <9fans@9fans.net> wr= ote: > > Hi 9fans, > > I'm currently trying plan9. During my test phase I installed 9legacy on q= emu. Everythings works fine but I couldn't master to exchange files with m= y host system (linux). I tried a virtfs, virtual fat drives an ext image an= d failed mounting the filesystem in plan9 > > I would prefer ext2 as a shared partition : > > I tried > > ext2srv > mount -c /srv/ext2 /n/hostfs /dev/sdD0 > > and this results in an error message : > mount: mount /n/hostfs : no file system device specified > > I looked in the man pages and on internet but couldn't find an example fo= r mounting a harddisk or a setup to share files between host and guest. > > Perhaps someone can point out how to exchange data using virtual harddisk= s or u9fs. > > Thanks in advance > 9fans / 9fans / see discussions + participants + delivery options Permali= nk ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T267dbe605a36a2f5-Mf64f1= facbaf62f4b7420bfa3 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 31040 invoked from network); 12 Apr 2021 19:30:38 -0000 Received: from tb-ob21.topicbox.com (173.228.157.67) by inbox.vuxu.org with ESMTPUTF8; 12 Apr 2021 19:30:38 -0000 Received: from tb-mx0.topicbox.com (tb-mx0.nyi.icgroup.com [10.90.30.73]) by tb-ob21.topicbox.com (Postfix) with ESMTP id 907F1256AD for ; Mon, 12 Apr 2021 15:30:35 -0400 (EDT) (envelope-from bounce.mMe7e86568d604d2c1428f0174.r522be890-2105-11eb-b15e-8d699134e1fa@9fans.bounce.topicbox.com) Received: by tb-mx0.topicbox.com (Postfix, from userid 1132) id 55B1520EB29E; Mon, 12 Apr 2021 15:30:35 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=9fans.net; h=to:subject :message-id:references:in-reply-to:date:mime-version :content-type:content-transfer-encoding:from:list-help:list-id :list-post:list-subscribe:reply-to:list-unsubscribe; s=dkim-1; bh=D/f3bSt1d3z+D69fWj5LRvQzbRekl9JVtIyL6OPTsJo=; b=oGjGz/lol3pv baX27CVr7jimZMJ7Qfajzjkbb4tVJy6p29rzAO7YjpeaMKcY/20ofbmsNBs//heK 2OL0uV2JVTjeeWy19lRkFe22FcybbWog8KTCwrWCuYYrRBVz/IxUfQ4Bv0eO/Qu7 FVps5G/uXWcMTt7HkDbGhLorxROV7oc= To: 9fans <9fans@9fans.net> Subject: Re: [9fans] searching advice Message-Id: <16182558290.A63067.988434@composer.9fans.topicbox.com> References: <16181783940.1FDE2bc8.20411@composer.9fans.topicbox.com> In-Reply-To: Date: Mon, 12 Apr 2021 15:30:29 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="16182558291.A3F844C.988434" Content-Transfer-Encoding: 7bit Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 8a475364-9bc5-11eb-b245-0a151e2d11b0 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMjY3ZGJlNjA1YTM2YTJmNS1NZTdlODY1NjhkNjA0ZDJjMTQyOGYw?= =?UTF-8?B?MTc0Pg==?= From: "ibrahim via 9fans" <9fans@9fans.net> List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Me7e86568d604d2c1428f0174:1:WsB4kBQIZ4Q_LqzPqG-jXHODJXwz4Kh_2ku7i52f5pQ --16182558291.A3F844C.988434 Date: Mon, 12 Apr 2021 15:30:29 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable First of thank you for your replies and sorry that I couldn*t reply immedia= tly. Anthony : I forgot the partition part in the command cause plan9 didn't recognize the= ext2 partition in a virtual drive created with fdisk from my linux command= line. There where only the entries raw and ctl below /dev/sdD0 so I wasn't= sure if they would appear after a mount from the device. It seems that vir= tual hard disks created with fdisk from linux command line are in some way = misinterpreted. After creating it with a gparted out of a qemu session my d= ata partition was recognized and I used your modified command. Thanks for y= our advice. In the meantime I read also about u9fs and 9pfuse from plan9port and decide= d to give this feature a try cause this will eliminate the risks caused by = write accesses from host and guest at the same time.=20 Mack Wallace : Thank you for your advice. That should really be the way to share data betw= een host and guest over qemu because it will be portable to my real needs a= fter this testing setup. Like you I'm about to port an educational kiosk ap= p realized with Freebsd and X11 to plan9 after the licence conditions chang= ed. So I have to do a lot of coding and even while I loved some ideas of ac= me it wouldn't be the right choice for my students to work with acme on sof= tware projects. So I want to port my full developer environment to plan9 in= cluding a rio substitute and a forked scintilla Editor with syntax highligh= tning. To do that I need to exchange data between host and guest on a live = base and u9fs as well as 9pfuse seem to do a better job regarding synchroni= zation. The more I read the more I like the ideas how the kernel and driver= s are implemented and=C2=A0 of course 9p as the connecting glue.=20 I'll try your u9fs advice parallel to the 9pfuse approach and share those i= nformation as an how to for my students and will be happy to mention your a= dvice as well. I think that 9pfuse will make my live easier cause of the au= thentification demands of freebsd. I'll try this and reply ... thanks. Skip Tavakkolian : I didn't know this command thanks for reminding. The device was already rec= ognized and the subfolders raw as well as ctl were present only the partiti= ons on the drive weren't recognized and this was caused by the tool I used = to create the virtual harddisk.=20 For all who are interested fdisk from plan9 (9legacy) has a small but stron= g bug. While editing the partition table and trying to reset the changes a = system crash ocured.=20 Conclusion : I'm really impressed about the fast and very good replies to my question. T= hank you I'll keep you informed about how I did the communication between h= ost and guest cause this is somewhat lacking in available documentation. Ma= ny developers will give plan9 after the licence change a try cause it is a = real alternative to even BSD licenced open source projects.=C2=A0 To realiz= e my kiosk setup with FreeBSD I have to supply an iso image for the last ve= rsion with 1 GB while only using the kernel and xinit. The reasons are firs= t of all the llvm infrastructure which has the largest size in the setup (3= 20 MB and more) and X11 where the minimal setup requires 840 MB. By switchi= ng to plan 9 I estimate getting a working kiosk app=C2=A0 with a size of le= ss than 128 MB while keeping the compiler suite and the protocols intact. E= specially for people who need a general setup of computers in lessons this = licence change opened up many possibilities. So a live exchange of data bet= ween developer systems during the modification time of userland software an= d windowing system is unavoidable. Thanks for your replies. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T267dbe605a36a2f5-Me7e86= 568d604d2c1428f0174 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --16182558291.A3F844C.988434 Date: Mon, 12 Apr 2021 15:30:29 -0400 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

First of thank you for your replies and sorry = that I couldn*t reply immediatly.

Anthony = :

I forgot the partition part in the comma= nd cause plan9 didn't recognize the ext2 partition in a virtual drive c= reated with fdisk from my linux command line. There where only the entries = raw and ctl below /dev/sdD0 so I wasn't sure if they would appear after= a mount from the device. It seems that virtual hard disks created with fdi= sk from linux command line are in some way misinterpreted. After creating i= t with a gparted out of a qemu session my data partition was recognized and= I used your modified command. Thanks for your advice.

In the meantime I read also about u9fs and 9pfuse from plan9po= rt and decided to give this feature a try cause this will eliminate the ris= ks caused by write accesses from host and guest at the same time.

Mack Wallace :

Thank you for your advice. That should really be the way to = share data between host and guest over qemu because it will be portable to = my real needs after this testing setup. Like you I'm about to port an e= ducational kiosk app realized with Freebsd and X11 to plan9 after the licen= ce conditions changed. So I have to do a lot of coding and even while I lov= ed some ideas of acme it wouldn't be the right choice for my students t= o work with acme on software projects. So I want to port my full developer = environment to plan9 including a rio substitute and a forked scintilla Edit= or with syntax highlightning. To do that I need to exchange data between ho= st and guest on a live base and u9fs as well as 9pfuse seem to do a better = job regarding synchronization. The more I read the more I like the ideas ho= w the kernel and drivers are implemented and of course 9p as the conn= ecting glue.

I'll try your u9fs advic= e parallel to the 9pfuse approach and share those information as an how to = for my students and will be happy to mention your advice as well. I think t= hat 9pfuse will make my live easier cause of the authentification demands o= f freebsd. I'll try this and reply ... thanks.

Skip Tavakkolian :

I didn't know this command thanks for reminding. The device was alre= ady recognized and the subfolders raw as well as ctl were present only the = partitions on the drive weren't recognized and this was caused by the t= ool I used to create the virtual harddisk.

For all who are interested fdisk from plan9 (9legacy) has a small but str= ong bug. While editing the partition table and trying to reset the changes = a system crash ocured.

C= onclusion :

I'm really impressed about= the fast and very good replies to my question. Thank you I'll keep you= informed about how I did the communication between host and guest cause th= is is somewhat lacking in available documentation. Many developers will giv= e plan9 after the licence change a try cause it is a real alternative to ev= en BSD licenced open source projects. To realize my kiosk setup with = FreeBSD I have to supply an iso image for the last version with 1 GB while = only using the kernel and xinit. The reasons are first of all the llvm infr= astructure which has the largest size in the setup (320 MB and more) and X1= 1 where the minimal setup requires 840 MB. By switching to plan 9 I estimat= e getting a working kiosk app with a size of less than 128 MB while k= eeping the compiler suite and the protocols intact. Especially for people w= ho need a general setup of computers in lessons this licence change opened = up many possibilities. So a live exchange of data between developer systems= during the modification time of userland software and windowing system is = unavoidable.

Thanks for your replies.

= --16182558291.A3F844C.988434--