Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 13:53:04 +0200, Dennis Luehring wrote: > 1. you didn't explain in any detail why you need SHARE.exe > what program do you use that requires SHARE.exe? > you explain you complete szenario then you can get better help - your > are just giving small details without context Well, I

Re: shared disk (DOS)

2021-04-13 Thread Dennis Luehring
1. you didn't explain in any detail why you need SHARE.exe what program do you use that requires SHARE.exe? you explain you complete szenario then you can get better help - your are just giving small details without context 2. sorry but you do not sound like a DOS pro - so it could be that the

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 13:33:38 +0200, Dennis Luehring wrote: > qemu with a real dos is nicer as Dosbox??? From the outside. I can just call it from a shell script. > file sharing between host is a default feature of dosbox I need SHARE.EXE /Tomas

Re: shared disk (DOS)

2021-04-13 Thread Dennis Luehring
Am 13.04.2021 um 13:17 schrieb Tomas By: SHARE.EXE does not work in Dosbox, and QEMU seems nicer. qemu with a real dos is nicer as Dosbox??? - file sharing between host is a default feature of dosbox else i would give http://etherdfs.sourceforge.net a try - its up to date (2018) and should wo

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 12:35:48 +0200, Simon Becherer wrote: > why not use "dosbox" (or a other dos emulation) > and forget qemu for this purpose. SHARE.EXE does not work in Dosbox, and QEMU seems nicer. /Tomas

Re: shared disk (DOS)

2021-04-13 Thread Simon Becherer
Am 13.04.21 um 12:02 schrieb Tomas By: > All I need is 2-4 DOS instances sharing a directory somewhere. > /Tomas > why not use "dosbox" (or a other dos emulation) and forget qemu for this purpose. simoN -- www.becherer.de signature.asc Description: OpenPGP digital signature

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 11:48:46 +0200, Lars Noodén wrote: > No, no one used that back then. Well, does it matter? NFS/Samba sounds a lot simpler than trying to set up Netware. /Tomas

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 11:53:47 +0200, Jakob Bohm wrote: > Please refer to one of my earlier posts where I gave a summary of > how to make a Linux host machine provide the server side of the > SMB network used by MS network client. Yes, well, that sounds like added complexity, though. All I need is

Re: shared disk (DOS)

2021-04-13 Thread Jakob Bohm
On 2021-04-13 11:42, Tomas By wrote: On Tue, 13 Apr 2021 11:05:54 +0200, Dennis Luehring wrote: Am 13.04.2021 um 11:00 schrieb Tomas By: Or, put another way, how do I set up a 1990s DOS local network? for example [...] No I think the MS stuff looks better. Please refer to one of my earlie

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 11:03:44 +0200, Dennis Luehring wrote: > you questions are too DOS related Yes, I got confused in my initial googlings by this distributed file system stuff. /Tomas

Re: shared disk (DOS)

2021-04-13 Thread Lars Noodén
On 4/13/21 12:42 PM, Tomas By wrote: > On Tue, 13 Apr 2021 11:05:54 +0200, Dennis Luehring wrote: >> Am 13.04.2021 um 11:00 schrieb Tomas By: >>> Or, put another way, how do I set up a 1990s DOS local network? >> >> for example [...] > > > No I think the MS stuff looks better. > > /Tomas > No,

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 11:05:54 +0200, Dennis Luehring wrote: > Am 13.04.2021 um 11:00 schrieb Tomas By: > > Or, put another way, how do I set up a 1990s DOS local network? > > for example [...] No I think the MS stuff looks better. /Tomas

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 11:00:43 +0200, Dennis Luehring wrote: > you can try to install the "MS Network Client 3.0" - then you can > read/write files from network folders Ok, that sounds right. /Tomas

Re: shared disk (DOS)

2021-04-13 Thread Dennis Luehring
Am 13.04.2021 um 11:00 schrieb Tomas By: Or, put another way, how do I set up a 1990s DOS local network? for example: https://www.vogons.org/viewtopic.php?f=24&t=52260 talk about "EtherDFS - a network drive for DOS" http://etherdfs.sourceforge.net

Re: shared disk (DOS)

2021-04-13 Thread Dennis Luehring
Am 13.04.2021 um 11:00 schrieb Tomas By: Or, put another way, how do I set up a 1990s DOS local network? you questions are too DOS related try asking on https://www.vogons.org/ - one of the biggest retro forums with discussions about real-dos, dosbox, dos in VMs etc.

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
On Tue, 13 Apr 2021 10:39:00 +0200, Tomas By wrote: > Is there some way to emulate "network file system" access from two (or > more) separate QEMU instances to the same disk image? Or, put another way, how do I set up a 1990s DOS local network? Unix NFS is something else again. /Tomas

Re: shared disk (DOS)

2021-04-13 Thread Dennis Luehring
Am 13.04.2021 um 10:39 schrieb Tomas By: Is there some way to emulate "network file system" access from two (or more) separate QEMU instances to the same disk image? you can try to install the "MS Network Client 3.0" - then you can read/write files from network folders but you can not write f

Re: shared disk (DOS)

2021-04-13 Thread Tomas By
Maybe it's a language problem. "sharing disk" and "network file system" are the same thing here. Trying to physically connect the same disk to two computers sounds idiotic. Is there some way to emulate "network file system" access from two (or more) separate QEMU instances to the same disk image?

Re: shared disk (DOS)

2021-04-12 Thread Jakob Bohm
On 2021-04-12 21:18, Tomas By wrote: On Mon, 12 Apr 2021 11:16:21 +0200,Peter Maydell wrote: No, that doesn't work. [...] On Mon, 12 Apr 2021 12:17:08 +0200, Peter Maydell wrote: In theory if the different guests all access entirely disjoint sections of the file this could be made to work. [.

Re: shared disk (DOS)

2021-04-12 Thread Tomas By
On Mon, 12 Apr 2021 11:16:21 +0200,Peter Maydell wrote: > No, that doesn't work. [...] On Mon, 12 Apr 2021 12:17:08 +0200, Peter Maydell wrote: > In theory if the different guests all access entirely disjoint > sections of the file this could be made to work. [...] They can access the exact same

Re: shared disk (DOS)

2021-04-12 Thread Ottavio Caruso via
On 12/04/2021 10:16, Peter Maydell wrote: No, that doesn't work. QEMU doesn't "see" filesystem formats at all Apart from the Virtual FAT disk images created by "-hdb fat:/my_directory" ? -- Ottavio Caruso

Re: shared disk (DOS)

2021-04-12 Thread Peter Maydell
On Mon, 12 Apr 2021 at 10:57, Tomas By wrote: > > On Mon, 12 Apr 2021 11:16:21 +0200, Peter Maydell wrote: > > No, that doesn't work. QEMU doesn't "see" filesystem formats at all. > > To QEMU, a disk is simply a big bag of bytes. It can have anything > > on it that the guest wants, and it's up to

Re: shared disk (DOS)

2021-04-12 Thread Tomas By
On Mon, 12 Apr 2021 11:16:21 +0200, Peter Maydell wrote: > No, that doesn't work. QEMU doesn't "see" filesystem formats at all. > To QEMU, a disk is simply a big bag of bytes. It can have anything > on it that the guest wants, and it's up to the guest how it interprets > it: QEMU just provides the

Re: shared disk (DOS)

2021-04-12 Thread Peter Maydell
On Sun, 11 Apr 2021 at 22:02, Tomas By wrote: > I was thinking maybe there could be some combination of two different > formats, like QEMU sees OCFS2 but the DOS programs see FAT. > > i.e. disk image formatted as OCFS2 and then the actual content is FAT, > formatted from DOS. No, that doesn't wor

Re: shared disk (DOS)

2021-04-11 Thread Tomas By
Hi again, Thanks for the comments, btw, and another follow-up question. On Sun, 11 Apr 2021 22:25:40 +0200, Jakob Bohm wrote: > [...] The only available DOS file systems are the FAT file system, > the read only CD-ROM file system and network file systems. > > Thus for a writable disk, there is

Re: shared disk (DOS)

2021-04-11 Thread Tomas By
On Sun, 11 Apr 2021 22:25:40 +0200, Jakob Bohm wrote: > On 2021-04-10 18:02, Tomas By wrote: > > The page I linked to seems to talk about sharing a disk image, though. > > > You are both wrong about SHARE.EXE, probably due to the sloppy > documents written about it for many years. Well, that com

Re: shared disk (DOS)

2021-04-11 Thread Jakob Bohm
On 2021-04-10 18:02, Tomas By wrote: On Sat, 10 Apr 2021 17:57:26 +0200, Peter Maydell wrote: This is a guest configuration question. There is no magic "tell QEMU to use this format for a shared disk image and it will all work" option. You'd need to run *one* guest connected to the disk, and ha

Re: shared disk (DOS)

2021-04-10 Thread Tomas By
On Sat, 10 Apr 2021 17:57:26 +0200, Peter Maydell wrote: > Yes, but there's no DOS support for it, is there? (Also, > it's a network filesystem, not a thing that goes on a disk.) Well, I had the impression you offered a counter-argument against my initial claim that GFS was not appropriate. > Th

Re: shared disk (DOS)

2021-04-10 Thread Peter Maydell
On Sat, 10 Apr 2021 at 16:42, Tomas By wrote: > > On Sat, 10 Apr 2021 17:24:03 +0200, Peter Maydell wrote: > > If you are trying to have multiple guests running simultaneously > > which are all using the same disk, then that *is* a distributed > > filesystem setup (multiple clients, one disk). > >

Re: shared disk (DOS)

2021-04-10 Thread Tomas By
On Sat, 10 Apr 2021 17:24:03 +0200, Peter Maydell wrote: > If you are trying to have multiple guests running simultaneously > which are all using the same disk, then that *is* a distributed > filesystem setup (multiple clients, one disk). Well... "GlusterFS aggregates various storage servers over

Re: shared disk (DOS)

2021-04-10 Thread Peter Maydell
On Sat, 10 Apr 2021 at 15:24, Tomas By wrote: > I'd like to have several QEMU DOS images, called from Linux, that > share a disk. Here > https://lists.nongnu.org/archive/html/qemu-discuss/2012-07/msg00035.html > it says that "if you plan on mounting the same shared block device in > multiple guest

shared disk (DOS)

2021-04-10 Thread Tomas By
Hi again everybody, I'd like to have several QEMU DOS images, called from Linux, that share a disk. Here https://lists.nongnu.org/archive/html/qemu-discuss/2012-07/msg00035.html it says that "if you plan on mounting the same shared block device in multiple guests, you are going to need to use a cl