l k*_*l k 8 upgrade apt kernel zfs
我在 root 上运行带有 ZFS 的 Ubuntu,而且我的bpool似乎几乎已满。
输出zpool list bpool:
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
bpool 1.88G 1.69G 191M - - 60% 90% 1.00x ONLINE -
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输出df -h /boot:
Filesystem Size Used Avail Use% Mounted on
bpool/BOOT/ubuntu_s2c09x 367M 303M 64M 83% /boot
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这会导致完成内核更新安装时出现问题,例如运行sudo apt upgrade:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n]
Requesting to save current system state
ERROR couldn't save system state: Minimum free space to take a snapshot and preserve ZFS performance is 20%.
Free space on pool "bpool" is 10%.
Please remove some states manually to free up space.
Setting up linux-firmware (1.197.5) ...
update-initramfs: Generating /boot/initrd.img-5.11.0-41-generic
I: The initramfs will attempt to resume from /dev/nvme0n1p2
I: (UUID=abdb40da-2d0b-4a45-b024-1c7245ea27ea)
I: Set the RESUME variable to override this.
Error 24 : Write error : cannot write compressed block
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.11.0-41-generic with 1.
dpkg: error processing package linux-firmware (--configure):
installed linux-firmware package post-installation script subprocess returned error exit status 1
Setting up linux-image-5.11.0-34-generic (5.11.0-34.36) ...
Processing triggers for linux-image-5.11.0-34-generic (5.11.0-34.36) ...
/etc/kernel/postinst.d/dkms:
* dkms: running auto installation service for kernel 5.11.0-34-generic
Error! Your kernel headers for kernel 5.11.0-34-generic cannot be found.
Please install the linux-headers-5.11.0-34-generic package,
or use the --kernelsourcedir option to tell DKMS where it's located
...done.
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.11.0-34-generic
I: The initramfs will attempt to resume from /dev/nvme0n1p2
I: (UUID=abdb40da-2d0b-4a45-b024-1c7245ea27ea)
I: Set the RESUME variable to override this.
Error 24 : Write error : cannot write compressed block
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.11.0-34-generic with 1.
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
dpkg: error processing package linux-image-5.11.0-34-generic (--configure):
installed linux-image-5.11.0-34-generic package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
linux-firmware
linux-image-5.11.0-34-generic
ZSys is adding automatic system snapshot to GRUB menu
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我尝试销毁一些 bpool 快照,但zfs list -t snapshot | grep bpool没有列出超过 100K 的快照。我还尝试删除一些内核,请参阅输出dpkg -l linux-{image,headers}-"[0-9]*":
un linux-headers-3.0 <none> <none> (no description available)
un linux-headers-5.10.0-1045-oem <none> <none> (no description available)
un linux-headers-5.11.0-34-generic <none> <none> (no description available)
un linux-headers-5.11.0-35-generic <none> <none> (no description available)
un linux-headers-5.11.0-36-generic <none> <none> (no description available)
un linux-headers-5.11.0-37-generic <none> <none> (no description available)
un linux-headers-5.11.0-38-generic <none> <none> (no description available)
ii linux-headers-5.11.0-40 5.11.0-40.44 all Header files related to Linux kernel version 5.11.0
ii linux-headers-5.11.0-40-generic 5.11.0-40.44 amd64 Linux kernel headers for version 5.11.0 on 64 bit x86 SMP
ii linux-headers-5.11.0-41 5.11.0-41.45 all Header files related to Linux kernel version 5.11.0
ii linux-headers-5.11.0-41-generic 5.11.0-41.45 amd64 Linux kernel headers for version 5.11.0 on 64 bit x86 SMP
un linux-headers-686-pae <none> <none> (no description available)
ic linux-image-5.10.0-1045-oem 5.10.0-1045.47 amd64 Signed kernel image oem
un linux-image-5.11.0-27-generic <none> <none> (no description available)
iF linux-image-5.11.0-34-generic 5.11.0-34.36 amd64 Signed kernel image generic
rc linux-image-5.11.0-35-generic 5.11.0-35.37 amd64 Signed kernel image generic
rc linux-image-5.11.0-36-generic 5.11.0-36.40 amd64 Signed kernel image generic
rc linux-image-5.11.0-37-generic 5.11.0-37.41 amd64 Signed kernel image generic
rc linux-image-5.11.0-38-generic 5.11.0-38.42 amd64 Signed kernel image generic
ii linux-image-5.11.0-40-generic 5.11.0-40.44 amd64 Signed kernel image generic
ii linux-image-5.11.0-41-generic 5.11.0-41.45 amd64 Signed kernel image generic
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当前安装的最旧的似乎是 linux-image-5.11.0-34-generic,但是sudo apt purge linux-image-5.11.0-34-generic表明它还想安装linux-image-unsigned-5.11.0-34-generic,占用更多空间。
我还能尝试什么?是否可以选择调整/增长我的 bpool?我对使用 ZFS 还很陌生。
编辑:我做了一些更多的调查。zfs list bpool/BOOT/ubuntu_s2c09x -o space -r报告
NAME AVAIL USED USEDSNAP USEDDS USEDREFRESERV USEDCHILD
bpool/BOOT/ubuntu_s2c09x 229M 1.51G 1.22G 303M 0B 0B
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_weekly-2021-11-19-1344 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-21-1339 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-22-1336 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-23-1340 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-24-1335 - 56K - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-25-1339 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-26-1338 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_weekly-2021-11-26-1343 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-27-1338 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-28-1336 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-29-1338 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-11-30-1340 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-01-1340 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-02-1340 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-03-1339 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_weekly-2021-12-03-1344 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-04-1337 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-05-1338 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-06-1338 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-07-1339 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-08-1337 - 80K - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-09-0645 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_a2u0ly - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-10-1336 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_weekly-2021-12-10-1341 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-11-1339 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-12-1335 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_omna1o - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_5q7106 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-13-1336 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_fwalez - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-14-1336 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_dsm4th - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-15-1335 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_4t769s - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-16-1336 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_z8aa09 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-17-1339 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_weekly-2021-12-17-1344 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_dqsnib - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_7w0l6s - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_323q08 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@autozsys_gqbsa5 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-18-1338 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-19-1339 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0217 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0317 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0417 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0517 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0617 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0717 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0817 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-0917 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1017 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1117 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1217 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1317 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_daily-2021-12-21-1337 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1417 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1517 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1617 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1717 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1817 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-1917 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-2017 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-2117 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-2217 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-21-2317 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-22-0017 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_frequent-2021-12-22-0100 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_frequent-2021-12-22-0115 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_hourly-2021-12-22-0117 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_frequent-2021-12-22-0130 - 0B - - - -
bpool/BOOT/ubuntu_s2c09x@zfs-auto-snap_frequent-2021-12-22-0145 - 0B - - - -
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我不明白它如何声称快照使用了 1.22 GB,但列出的 bpool 快照均未使用任何空间?
Ale*_*lex 15
卸载旧的和未使用的内核及相关文件是正确的操作;为了避免安装未签名内核的建议,请删除依赖于linux-image-5.11.0-34-genericvia 的软件包:
sudo apt purge linux*5.11.0-34*
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释放空间所需的第二步是删除引用已删除文件的旧快照;通过以下方式列出快照:
zfs list -r -t snapshot -o name,used,referenced,creation bpool/BOOT
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您可以在该REFER列中看到引用了多少数据。相同的数字通常与最小值一致USED;快照实际上是先前快照的副本。
通过以下方式手动删除五个最旧的快照:
zfs list -H -r -t snapshot -o name,used,referenced,creation bpool/BOOT | head -n 5 | cut -c 35-40 | xargs -n 1 sudo zsysctl state remove --system
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继续删除快照,直到看到空间被释放。
(最后一行和更多信息的来源:https://github.com/ubuntu/zsys/issues/155)
笔记:
如果有未分配的空间,则可以增大 ZFS 池,但 Ubuntu 将剩余空间分配给rpool. 就地缩小 ZFS 池显然是不可能的。
我看到自动快照已打开bpool,但除非您希望任何文件在 APT 之外更改,否则 ZSys 快照应该足够了,并且会减少您必须考虑的快照数量。
为了避免将来出现此问题,请随时关注内核升级并定期删除旧内核。还要考虑减少 中的 ZSys 垃圾清理默认值/etc/zsys.conf。有关示例,请参阅:https://github.com/ubuntu/zsys/issues/155#issuecomment-758902487
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