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运行虚拟服务器 guest 的 Ubuntu 20.04 服务器。
root@virtual3:/dev# dmesg | grep dm-11
[16067.090601] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[16140.884093] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[16208.242423] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[16280.839903] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[16400.942784] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[16443.928439] EXT4-fs (dm-11): mounting ext3 file system using the ext4 subsystem
[16443.929427] EXT4-fs (dm-11): warning: mounting fs with errors, running e2fsck is recommended
[16443.934501] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[16443.949457] EXT4-fs error (device dm-11): ext4_mb_generate_buddy:1147: group 4, block bitmap and bg descriptor inconsistent: 2731 vs 2732 free clusters
[41267.656921] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[41310.767963] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[41351.690443] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[41393.912918] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[41462.134997] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[41474.884928] EXT4-fs (dm-11): mounting ext3 file system using the ext4 subsystem
[41474.885747] EXT4-fs (dm-11): warning: mounting fs with errors, running e2fsck is recommended
[41474.890554] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[41474.904432] EXT4-fs error (device dm-11): ext4_mb_generate_buddy:1147: group 4, block bitmap and bg descriptor inconsistent: 2731 vs 2732 free clusters
root@virtual3:/dev# ls dm*
dm-0 dm-1 dm-10 dm-2 dm-3 dm-4 dm-5 dm-6 dm-7 dm-8 dm-9
正如你所看到的，没有 /dev/dm-11 所以我不知道下一步该做什么。根驱动器是SSD（包含dm-0到dm-8），还有一个传统的HDD（上面有dm-9和dm-10）。
系统因神秘的网络问题而失败，该问题通过魔法解决了（即：重新启动 systemd-networkd 几次） - 我还没有弄清楚如何解决，而且我无法在日志中找到任何内容。我不知道这两个问题是否相关。
当我写这篇文章时，一切似乎都正常。 smartctl 不报告错误。