SYSTEMD-FSTAB-GENERATOR(8) systemd-fstab-generator SYSTEMD-FSTAB-GENERATOR(8) systemd-fstab-generator - /etc/fstab /usr/lib/systemd/system-generators/systemd-fstab-generator systemd-fstab-generator /etc/fstab ( fstab(5) ) systemd . . passno . . systemd.mount(5) systemd.swap(5) /etc/fstab . . init /etc/fstab. /etc/fstab . . systemd-fstab-generator systemd.generator(7). systemd-fstab-generator : fstab= rd.fstab= . "yes". "no" /etc/fstab. rd.fstab= initrd fstab= initrd. 186. root= initrd. ( /dev/disk/by-uuid/... /dev/disk/by-label/... ) "gpt-auto" "gpt-auto-force" "dissect" "dissect-force" "fstab" "tmpfs" "bind:..." "off". "gpt-auto" "gpt-auto-force" "dissect" "dissect-force" systemd-gpt-auto-generator(8). "fstab" initrd /etc/fstab . "tmpfs" tmpfs(5) . mount.usr= ( ) /usr/ . systemd.volatile= . "bind:..." ( v258). initrd . "off" . root= . 217. rootfstype= . rootfstype= initrd. 217. rootflags= . rootflags= initrd. (: /etc/fstab). systemd-remount-fs.service(8). 217. mount.usr= /usr/ initrd. mount.usrfstype= mount.usrflags= mount.usr= root=. "dissect" /usr/ systemd-gpt-auto-generator(8). "off" /usr/ . mount.usr= initrd. 217. mount.usrfstype= /usr/ mount. mount.usr= mount.usrflags= mount.usrfstype= rootfstype=. /usr/ /etc/fstab . mount.usrfstype= initrd. 217. mount.usrflags= /usr/ . mount.usr= mount.usrfstype= mount.usrflags= rootflags=. /usr/ /etc/fstab . mount.usrflags= initrd. 217. roothash= usrhash= systemd-veritysetup-generator(8). ( /usr/) Verity . ( /usr/) device mapper /dev/mapper/root ( /dev/mapper/usr). 251. systemd.volatile= . state. false () . true systemd-volatile-root.service(8) initrd. ("tmpfs") /usr/ . /etc/ /var/ ( ). state "tmpfs" /var/. ( "/etc/") ( ) ( "/var/") . "overlay" "overlayfs" "tmpfs" . /etc/ /var/ . . "overlay" /usr/ /etc/ /var/ "systemd.volatile=yes". root=tmpfs "tmpfs" /usr/ ( mount.usr=). systemd.volatile=yes root=tmpfs mount.usr= /usr/ tmpfs /usr/ . 233. systemd.swap= . /etc/fstab. . 246. systemd.mount-extra=WHAT:WHERE[:FSTYPE[:OPTIONS]], rd.systemd.mount-extra=WHAT:WHERE[:FSTYPE[:OPTIONS]] . (":"). fstab . . rd.systemd.mount-extra= initrd systemd.mount-extra= initrd. initrd ( ) systemd.mount-extra= /sysroot/. : systemd.mount-extra=/dev/sda1:/mount-point:ext4:rw,noatime 254. systemd.swap-extra=WHAT[:OPTIONS], rd.systemd.swap-extra=WHAT[:OPTIONS] . (":"). . rd.systemd.swap-extra= initrd systemd.swap-extra= initrd. : systemd.swap-extra=/dev/sda2:x-systemd.makefs 254. fstab.extra fstab(5) . /etc/fstab. 254. systemd(1), fstab(5), systemd.mount(5), systemd.swap(5), systemd-cryptsetup-generator(8), systemd-gpt-auto-generator(8), kernel-command-line(7), [1] 1. https://systemd.io/ENVIRONMENT/ 3 . . : . systemd 260.1 SYSTEMD-FSTAB-GENERATOR(8)