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charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-OriginatorOrg: onlineschubla.de X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: FRYP281MB0582.DEUP281.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: 8801fba8-41d9-464f-9fb4-08d908f11757 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Apr 2021 20:23:02.0996 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bfc8b046-4d00-4e98-8679-43c06bdec9db X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: zV5fad13dn2IQSfqRObS+H+nNyHSpERBHyDZD2WtRehaNCrF5oA7yCjZYXaIU3igJvOp3NNJRSzZIpheMKPstA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: FRYP281MB0517 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org > Von: Roman Mamedov > Gesendet: Samstag, 10. April 2021 16:49 > > On Sat, 10 Apr 2021 13:38:57 +0000 > Paul Leiber wrote: > > > d) Perhaps the complete BTRFS setup (Xen, VMs, pass through the > partition, Samba share) is flawed? > > I kept reading and reading to find where you say you unmounted in on the > host, > and then... :) > > > e) Perhaps it is wrong to mount the BTRFS root first in the Dom0 and then > accessing the subvolumes in the DomU? > > Absolutely O.o > > Subvolumes are very much like directories, not any kind of subpartitions. > > Imagine you'd try to use the same ext4 from the host and from a VM guest, > saying "but they both store their data in separate folders!" I just wanted to give a short feedback. About two weeks ago, I did a clean install of the btrfs and since then paid attention to not mounting it (or subvolumes) twice at the same time in host and guest. I did regular checks, and so far, there are no issues with the file system whatsoever. Thank you very much for pointing out my error to me! Best regards, Paul