Saulius Krasuckas

> in my case, the external DVD-ROM that was connected was to blame These two key points (connected physical DVD-ROM and launching a virtual DVD) are what break btrfs. Please...

> What I find the most strange is that image content remains completely fine even when btrfs where it is actually located becomes completely inaccessible Sure, but `cdrom.sys` + `cdfs.sys`...

(semi-offtopic about bugs in optical disk emulators) @rautamiekka, true, `WinCDEmu` is not developed for 6y already. Still on my `Microsoft Windows [Version 10.0.19044.3086]` it works just fine. Just avoid the...

(TL;DR) @ohno1052, @vlad196: does your BTRFS volume reside on a system disk & if not, is that disk drive removable?

@vlad196 commented [8 hours ago](https://github.com/maharmstone/btrfs/issues/661#issuecomment-2260316082): > my disk instal like disk D for documents, movie, etc. And no, my disk not removable, plug trough SATA interface So you have two...

OK, so in both problematic cases BTRFS occupies the whole disk having no partitions.

@ohno1052, are all your BTRFS partitions aggregated into a single volume? If so, what is the data profile on that volume? This could be retrieved via button **Show usage** from...

> this is a single partition i created it with `mkfs.btrfs /dev/sda` and then `btrfs device add /dev/sdb /mnt` `btrfs device add /dev/sdc /mnt` if this is easier to understand...

Maybe this has to do with the low free space remaining on the file system? I experienced something similar after my 38.68 GB volume got filled with only 1.99 GB...

@DippyFoxDerg commented last week: > with the amount of people encountering this issue, me included, im really surprised there has not been a patch for it. It's all about the...