On Fri, Nov 25, 2016 at 4:17 AM, Roman Mamedov <rm@xxxxxxxxxxx> wrote: > On Fri, 25 Nov 2016 12:05:57 +0100 > Niccolò Belli <darkbasic@xxxxxxxxxxxxxxx> wrote: > >> This is something pretty unbelievable, so I had to repeat it several times >> before finding the courage to actually post it to the mailing list :) >> >> After dozens of data loss I don't trust my btrfs partition that much, so I >> make a backup copy with dd weekly. > > https://btrfs.wiki.kernel.org/index.php/Gotchas#Block-level_copies_of_devices > > "don't make copies with dd." Yeah. In the user's defense, it's way overdue for the kernel to refuse to mount without some override flag like XFS does. This behavior is just plain user hostile right now, and Btrfs gets an extra ding because it's supposed to be better: easier to admin and have better data integrity. Basically this is Btrfs eating at least one, possibly both, file systems at the same time without warning, and it's not good enough to warn in the wiki. -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
