From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 4 Dec 2009 11:43:21 -1000 From: Tim Newsham To: 9fans@9fans.net Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Subject: [9fans] remote usb? Topicbox-Message-UUID: a7926ac8-ead5-11e9-9d60-3106f5b1d025 Does remote USB make sense? Would it be possible to boot up a plan9 system on one machine, export its usb device to another machine and run usbd there and have the second machine make use of any usb device attached to the first machine? Would the latency be too high? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: Date: Fri, 4 Dec 2009 14:48:17 -0700 Message-ID: <68eb39920912041348u7674637dk5ef91865488affae@mail.gmail.com> From: Don Bailey To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: multipart/alternative; boundary=0016e6d99bedcf55a30479ee105e Subject: Re: [9fans] remote usb? Topicbox-Message-UUID: a7a2b270-ead5-11e9-9d60-3106f5b1d025 --0016e6d99bedcf55a30479ee105e Content-Type: text/plain; charset=ISO-8859-1 What kind of USB device are you considering whose data can't be exported. i.e. why not export the FS on the USB flash drive? I have a feeling you're going for something else here, though. Perhaps USB audio or something without persistent storage. On Fri, Dec 4, 2009 at 2:43 PM, Tim Newsham wrote: > Does remote USB make sense? Would it be possible to boot > up a plan9 system on one machine, export its usb device to > another machine and run usbd there and have the second machine > make use of any usb device attached to the first machine? > Would the latency be too high? > > Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com > > --0016e6d99bedcf55a30479ee105e Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable What kind of USB device are you considering whose data can't be exporte= d. i.e. why not export the FS on the USB flash drive? I have a feeling you&= #39;re going for something else here, though. Perhaps USB audio or somethin= g without persistent storage.=A0

On Fri, Dec 4, 2009 at 2:43 PM, Tim Newsham = <newsham@lava.net<= /a>> wrote:
Does remote USB make sense? =A0Would it be possible to boot
up a plan9 system on one machine, export its usb device to
another machine and run usbd there and have the second machine
make use of any usb device attached to the first machine?
Would the latency be too high?

Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com


--0016e6d99bedcf55a30479ee105e-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: erik quanstrom Date: Fri, 4 Dec 2009 17:00:01 -0500 To: 9fans@9fans.net Message-ID: <72ba1a884796f08c5f3d0332e2b4d6ab@ladd.quanstro.net> In-Reply-To: <> References: <> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Subject: Re: [9fans] remote usb? Topicbox-Message-UUID: a7a7a79e-ead5-11e9-9d60-3106f5b1d025 On Fri Dec 4 16:45:34 EST 2009, newsham@lava.net wrote: > Does remote USB make sense? Would it be possible to boot > up a plan9 system on one machine, export its usb device to > another machine and run usbd there and have the second machine > make use of any usb device attached to the first machine? > Would the latency be too high? it might make sense to do the opposite. import namespace onto the machine with the usb and run usbd there. (e.g. for a keyboard-like device.) for a disk-like device, it may make sense to import the disk at the disk level. i've done both with aoe, importing '#æ' and '#l'. there are interesting tradeoffs that depend an awful lot on what you're tunneling via 9p. - erik From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <65C54369-347A-4288-B9C3-8DC124AC8E63@lsub.org> From: Francisco J Ballesteros To: "9fans@9fans.net" <9fans@9fans.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (iPhone Mail 7D11) Date: Fri, 4 Dec 2009 23:11:57 +0100 Subject: Re: [9fans] remote usb? Topicbox-Message-UUID: a7abfe48-ead5-11e9-9d60-3106f5b1d025 usbd is part of the play. it has to enumerate and recover from errors. appart from that you can export #u, but don't use another usbd on it. one is enough. just start your driver. if you can, it may be better to export the driver fs instead. On 04/12/2009, at 22:48, newsham@lava.net wrote: > Does remote USB make sense? Would it be possible to boot > up a plan9 system on one machine, export its usb device to > another machine and run usbd there and have the second machine > make use of any usb device attached to the first machine? > Would the latency be too high? > > Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com > > [/mail/box/nemo/msgs/200912/290] From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <141fed5c53991e93ee713027c2ed2cca@9netics.com> To: 9fans@9fans.net Date: Fri, 4 Dec 2009 14:15:52 -0800 From: Skip Tavakkolian <9nut@9netics.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] remote usb? Topicbox-Message-UUID: a7b163ec-ead5-11e9-9d60-3106f5b1d025 > Would the latency be too high? my experience is similar to Erik's. as distance grows it's better to deal with a higher abstraction. there's less chatter and so not as affected by latency. From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: From: Axel Belinfante To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> In-Reply-To: Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v936) Date: Sat, 5 Dec 2009 02:21:32 +0100 References: Subject: Re: [9fans] remote usb? Topicbox-Message-UUID: a7bf4dd6-ead5-11e9-9d60-3106f5b1d025 For what it's worth: VirtualBox has USB over RDP. I have no experience with this, though. Axel. On Dec 4, 2009, at 22:43 , Tim Newsham wrote: > Does remote USB make sense? Would it be possible to boot > up a plan9 system on one machine, export its usb device to > another machine and run usbd there and have the second machine > make use of any usb device attached to the first machine? > Would the latency be too high? > > Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com