每次开机都是一样的：
/dev/sda1: clean, 908443/38690816 files, 44176803/154733312 blocks
这是 Ubuntu 用来确保文件系统一致性的某种选项还是我的硬盘有问题？fsck启动时最多需要 30 秒，否则所需时间将增加三倍。
完整输出（部分为德语）：
Begin: Loading essential drivers ... done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
Begin: Running /scripts/local-premount ... done.
Begin: Running /scripts/local-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... done.
fsck von util-linux 2.20.1
/dev/sda1: sauber, 908443/38690816 Dateien, 44176803/154733312 Blöcke
udevd[623]: unknown key 'SYSFS{idVendor}' in /lib/udev/rules.d/45-libticables.rules:6
udevd[623]: invalid rule '/lib/udev/rules.d/45-libticables.rules:6'
* Starting mDNS/DNS-SD daemon [ OK ] …