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由于 ESP 不可用，do-release-upgrade 失败

tag-icon • tag-icon upgrade mount fstab do-release-upgrade
由于 ESP 不可用，do-release-upgrade 失败

我正在尝试Ubuntu 20.04.5 LTS通过执行以下操作来升级我的 Ubuntu Server 版本 () do-release-upgrade。

运行之后失败，显示：

EFI System Partition (ESP) not usable 

Your EFI System Partition (ESP) is not mounted at /boot/efi. Please 
ensure that it is properly configured and try again.

这是我的/etc/fstab：

# / was on /dev/ubuntu-vg/ubuntu-lv during curtin installation
/dev/disk/by-uuid/fce9091c-1e98-46b8-900c-4ab2c4234600 / ext4 defaults 0 0
# /boot was on /dev/nvme1n1p2 during curtin installation
/dev/disk/by-uuid/14a2bceb-25dc-4da3-bbc8-fbe2f5d7ccdc /boot ext4 defaults 0 0
# /boot/efi was on /dev/nvme1n1p1 during curtin installation
/dev/disk/by-uuid/DC7B-C686 /boot/efi vfat umask=0077 0 1
/swap.img       none    swap    sw      0       0
# SSD and HDD
UUID=72e391af-077d-4646-9fa0-82fd665deced    /mnt/ssd   auto    defaults    0    1
# NAS Directories
//<redacted_ip>/Backups /mnt/nas/Backups            cifs credentials=/etc/samba/nas_passwd_file,rw,uid=1000 0 0
//<redacted_ip>/docker /mnt/nas/docker              cifs credentials=/etc/samba/nas_passwd_file,rw,uid=1000 0 0
//<redacted_ip>/Drive /mnt/nas/Drive                cifs credentials=/etc/samba/nas_passwd_file,rw,uid=1000 0 0
//<redacted_ip>/Streaming /mnt/nas/Streaming        cifs credentials=/etc/samba/nas_passwd_file,rw,uid=1000 0 0
//<redacted_ip>/Syncthing /mnt/nas/Syncthing        cifs credentials=/etc/samba/nas_passwd_file,rw,uid=1000 0 0
//<redacted_ip>/Mount/drive-colab /mnt/ssd/docker/jupyter/data/drive   cifs credentials=/etc/samba/nas_passwd_file,rw,uid=1000 0 0

运行sudo mount -a无错误。

ls /boot返回结果，但不包含/boot/efi并ls /boot/efi失败ls: cannot access '/boot/efi': No such file or directory

运行sudo mount /boot/efi失败mount: /boot/efi: mount point does not exist.

sudo parted这是>的输出print all

Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/ubuntu--vg-ubuntu--lv: 254GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags: 

Number  Start  End    Size   File system  Flags
 1      0.00B  254GB  254GB  ext4


Model: Samsung SSD 970 EVO Plus 2TB (nvme)
Disk /dev/nvme0n1: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags: 

Number  Start  End     Size    File system  Flags
 1      0.00B  2000GB  2000GB  ext4


Model: WDC PC SN730 SDBQNTY-256G-1001 (nvme)
Disk /dev/nvme1n1: 256GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system  Name  Flags
 1      1049kB  538MB   537MB   fat32              boot, esp
 2      538MB   1612MB  1074MB  ext4
 3      1612MB  256GB   254GB

我能看到的唯一奇怪的事情是启动标志应该打开/dev/nvme1n1p2并且它确实打开了/dev/nvme1n1p1。

这是输出sudo blkid /dev/nvme1n1p1：/dev/nvme1n1p1: UUID="DC7B-C686" TYPE="vfat" PARTUUID="5ef73bc6-4a1d-45fe-84b4-5466799d68f9"

这是输出sudo blkid /dev/nvme1n1p2：/dev/nvme1n1p2: UUID="14a2bceb-25dc-4da3-bbc8-fbe2f5d7ccdc" TYPE="ext4" PARTUUID="1c5014c8-63ed-453b-95e4-394b11bb0ed2"

关于如何正确安装 ESP（/boot/efi）的任何想法，以便我可以升级我的操作系统。

提前致谢！

答案1

sudo mount /boot/efi是不正确的。

尝试sudo mount /dev/nvme1n1p1 /boot/efi

另外，/boot 中是否有一个名为 efi 的空目录可以挂载？如果没有，请创建一个。

cd /boot && sudo mkdir efi/（根据您的评论）

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