959 天后,需要在 CentOS 7 系统上重新启动,该系统在过去几年中完美地使用了 ZFS。yum update
那段时间我每个月跑一次。
重启系统显然无法加载其 ZFS 模块,如下所示
# zpool list
/dev/zfs and /proc/self/mounts are required.
Try running 'udevadm trigger' and 'mount -t proc proc /proc' as root.
# modprobe zfs
modprobe: FATAL: Module zfs not found.
# uname -a
Linux foo 3.10.0-1160.49.1.el7.x86_64 #1 SMP Tue Nov 30 15:51:32 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
# yum install zfs zfs-kmod
Package zfs-0.7.13-1.el7_6.x86_64 already installed and latest version
Package kmod-zfs-0.7.13-1.el7_6.x86_64 already installed and latest version
Nothing to do
/proc
已安装并且udevadm trigger
没有效果。/dev/zfs
不存在。为 ZFS 查询 dmesg(不区分大小写)为空。手动加载模块说
# modprobe zfs
modprobe: FATAL: Module zfs not found.
我难住了。我怎样才能让 ZFS 再次运行?
编辑
一个问题是我的回购/etc/yum.repos.d/zfs.repo
仍然是 7.6,而/etc/yum.repos.d/zfs.repo.rpmnew
7.9。我保存了旧的 zfs.repo 并将 7.9 的那个复制到zfs.repo
. 然后再次按照 kABI 的说明进行操作。现在我得到了这个:
# yum install zfs
Resolving Dependencies
--> Running transaction check
---> Package spl.x86_64 0:0.7.13-1.el7_6 will be obsoleted
--> Processing Dependency: spl = 0.7.13 for package: kmod-spl-0.7.13-1.el7_6.x86_64
---> Package zfs.x86_64 0:0.7.13-1.el7_6 will be updated
--> Processing Dependency: zfs = 0.7.13 for package: kmod-zfs-0.7.13-1.el7_6.x86_64
---> Package zfs.x86_64 0:2.0.7-1.el7 will be obsoleting
--> Processing Dependency: libzpool4 = 2.0.7 for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libzfs4 = 2.0.7 for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libuutil3 = 2.0.7 for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libnvpair3 = 2.0.7 for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libzpool.so.4()(64bit) for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libzfs_core.so.3()(64bit) for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libzfs.so.4()(64bit) for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libuutil.so.3()(64bit) for package: zfs-2.0.7-1.el7.x86_64
--> Processing Dependency: libnvpair.so.3()(64bit) for package: zfs-2.0.7-1.el7.x86_64
--> Running transaction check
---> Package kmod-zfs.x86_64 0:0.7.13-1.el7_6 will be updated
---> Package kmod-zfs.x86_64 0:2.0.7-1.el7 will be an update
---> Package libnvpair1.x86_64 0:0.7.13-1.el7_6 will be obsoleted
---> Package libnvpair3.x86_64 0:2.0.7-1.el7 will be obsoleting
---> Package libuutil1.x86_64 0:0.7.13-1.el7_6 will be obsoleted
---> Package libuutil3.x86_64 0:2.0.7-1.el7 will be obsoleting
---> Package libzfs2.x86_64 0:0.7.13-1.el7_6 will be obsoleted
---> Package libzfs4.x86_64 0:2.0.7-1.el7 will be obsoleting
---> Package libzpool2.x86_64 0:0.7.13-1.el7_6 will be obsoleted
---> Package libzpool4.x86_64 0:2.0.7-1.el7 will be obsoleting
---> Package spl.x86_64 0:0.7.13-1.el7_6 will be obsoleted
--> Processing Dependency: spl = 0.7.13 for package: kmod-spl-0.7.13-1.el7_6.x86_64
--> Finished Dependency Resolution
Error: Package: kmod-spl-0.7.13-1.el7_6.x86_64 (@zfs-kmod)
Requires: spl = 0.7.13
Removing: spl-0.7.13-1.el7_6.x86_64 (@zfs-kmod)
spl = 0.7.13-1.el7_6
Obsoleted By: zfs-2.0.7-1.el7.x86_64 (zfs-kmod)
Not found
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
# yum install --skip-broken zfs
[...]
Packages skipped because of dependency problems:
kmod-zfs-2.0.7-1.el7.x86_64 from zfs-kmod
libnvpair3-2.0.7-1.el7.x86_64 from zfs-kmod
libuutil3-2.0.7-1.el7.x86_64 from zfs-kmod
libzfs4-2.0.7-1.el7.x86_64 from zfs-kmod
libzpool4-2.0.7-1.el7.x86_64 from zfs-kmod
zfs-2.0.7-1.el7.x86_64 from zfs-kmod
我该如何解决依赖问题?
959天不重启?哇。我假设你没有使用
kexec
,这意味着你第一次启动了新内核。问题是您安装的 ZFS 模块是为不同的内核构建的,因此您现在无法加载它。您的选择:
weak-modules
脚本(weak-modules --add-kernel --no-initramfs
如果您在 initramfs 中不需要 ZFS)。如果没有 kABI 更改,它会将模块符号链接到新/lib/module
目录以使其可用于新内核。(如果这真的是您第一次使用新内核,那么可能是 kABI 发生了变化。)zfs
,spl
和.kmod-zfs
yum remove zfs spl kmod-zfs
zfs
和安装。kmod-zfs