create partition and failed into emergency mode
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my home folder
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original disk layout
$ fdisk -l WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion. disk /dev/sda：120.0 GB, 120034123776 bytes，234441648 cylinders Units = cylinders of 1 * 512 = 512 bytes Sector size(logical/physical)：512 bytes / 512 bytes I/O size(minimum/optimal)：512 bytes / 512 bytes Disk identifier：gpt # Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 234440703 110.6G Linux LVM WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion. Disk /dev/sdb：2000.4 GB, 2000398934016 bytes，3907029168 个cylinders Units = cylinders of 1 * 512 = 512 bytes Sector size(logical/physical)：512 bytes / 4096 bytes I/O size(minimum/optimal)：4096 bytes / 4096 bytes Disk identifier：gpt # Start End Size Type Name 1 2048 3907029134 1.8T Linux filesyste Disk /dev/mapper/cl-root：53.7 GB, 53687091200 bytes，104857600 cylinders Units = cylinders of 1 * 512 = 512 bytes Sector (logical/physical)：512 bytes / 512 bytes I/O size(minimum/optimal)：512 bytes / 512 bytes Disk /dev/mapper/cl-swap：16.7 GB, 16710107136 bytes，32636928 cylinders Units = cylinders of 1 * 512 = 512 bytes Sector (logical/physical)：512 bytes / 512 bytes I/O size(minimum/optimal)：512 bytes / 512 bytes Disk /dev/mapper/cl-home：2048.7 GB, 2048737148928 bytes，4001439744 cylinders Units = cylinders of 1 * 512 = 512 bytes Sector (logical/physical)：512 bytes / 4096 bytes I/O size(minimum/optimal)：4096 bytes / 4096 bytes -
create 2 partitions on /dev/sdb
$ fdisk /dev/sdb $ fdisk -l Disk /dev/sdb：2000.4 GB, 2000398934016 bytes，3907029168 个cylinders Units = cylinders of 1 * 512 = 512 bytes Sector size(logical/physical)：512 bytes / 4096 bytes I/O size(minimum/optimal)：4096 bytes / 4096 bytes Disk identifier：gpt # Start End Size Type Name 1 xxxx xxxxxxxxxx 300GB Linux filesyste 2 xxxx xxxxxxxxxx 300GB Linux filesyste -
then reboot and failed… and enter emergency mode
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emergency mode
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info
welcome to emergency mode! after logging in type journalctl -xb to view system logs systemctl reboot to reboot systemctl default or ^D to try againt to boot into default mode -
check journal
$ journalctl -xb ... Dependency failded for /home ... Dependency failded for Local File Systems ... -
check disk info
$ fdisk -lu /dev/mapper/cl-root /dev/mapper/cl-swap # /dev/mapper/cl-home <-- missing -
check pvs
$ pvs WARMING: Device /dev/sdb1 has size of 629145600 sectors which is smaller than corresponding PV size of 3907026944 sectors. Was device resized? One or more devices used as PVs in VG cl have changed sizes. PV VG Fmt Attr PSize PFree /dev/sda3 cl lvm2 a-- 110.59g 4.00m /dev/sdb1 cl lvm2 a-- 1.82t 4.00m -
check vgs
$ vgs WARMING: Device /dev/sdb1 has size of 629145600 sectors which is smaller than corresponding PV size of 3907026944 sectors. Was device resized? One or more devices used as PVs in VG cl have changed sizes. VG #PV #LV #SN Attr VSize VFree cl 2 3 0 wz--n- 1.93t 4.00m -
check lvs
$ lvs WARMING: Device /dev/sdb1 has size of 629145600 sectors which is smaller than corresponding PV size of 3907026944 sectors. Was device resized? One or more devices used as PVs in VG cl have changed sizes. LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert home cl -wi-s----- 1.86t root cl -wi-ao---- 50.00g swap cl -wi-ao---- 15.56g -
check fstab
$ cat /etc/fstab /dev/mapper/cl-root / xfs defaults 0 0 UUID=c7e352df-0343-4c59-8972-d831510a0b72 /boot xfs defaults 0 0 UUID=13A6-95A2 /boot/efi vfat umask=0077,shortname=winnt 0 0 /dev/mapper/cl-home /hom xfs defaults 0 0 /dev/mapper/cl-swap swap swap defaults 0 0
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fixed
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steps
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delete all partition on /dev/sdb
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then reboot
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that all
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