linux – ZFS数据集在重新启动时消失

我已经在我的Centos 7中安装了ZFS(0.6.5)并且我还创建了一个zpool,除了我的数据集在重新启动时消失这一切之外,一切正常.
我一直试图在各种在线资源和博客的帮助下调试此问题,但无法获得所需的结果.重启后,当我发出zfs list命令时,我得到“没有数据集可用”,zpool list给出“没有可用的池”
在做了大量的在线研究之后,我可以通过使用zpool import -c cachefile手动导入缓存文件来使其工作,但是我仍然必须在重启之前运行zpool set cachefile = / etc / zfs / zpool.cache Pool稍后重启后导入它.
这就是systemctl状态zfs-import-cache的样子,

zfs-import-cache.service – 按缓存文件导入ZFS池
加载：已加载(/usr/lib/systemd/system/zfs-import-cache.service; static)
活动：不活动(死机)

cat / etc / sysconfig / zfs

# ZoL userland configuration.

# Run `zfs mount -a` during system start?
ZFS_MOUNT='yes'

# Run `zfs unmount -a` during system stop?
ZFS_UNMOUNT='yes'

# Run `zfs share -a` during system start?
# nb: The shareiscsi,sharenfs,and sharesmb dataset properties.
ZFS_SHARE='yes'

# Run `zfs unshare -a` during system stop?
ZFS_UNSHARE='yes'

# Specify specific path(s) to look for device nodes and/or links for the
# pool import(s). See zpool(8) for more information about this variable.
# It supersedes the old USE_DISK_BY_ID which indicated that it would only
# try '/dev/disk/by-id'.
# The old variable will still work in the code,but is deprecated.
#ZPOOL_IMPORT_PATH="/dev/disk/by-vdev:/dev/disk/by-id"

# Should the datasets be mounted verbosely?
# A mount counter will be used when mounting if set to 'yes'.
VERBOSE_MOUNT='no'

# Should we allow overlay mounts?
# This is standard in Linux,but not ZFS which comes from Solaris where this
# is not allowed).
DO_OVERLAY_MOUNTS='no'

# Any additional option to the 'zfs mount' command line?
# Include '-o' for each option wanted.
MOUNT_EXTRA_OPTIONS=""

# Build kernel modules with the --enable-debug switch?
# Only applicable for Debian GNU/Linux {dkms,initramfs}.
ZFS_DKMS_ENABLE_DEBUG='no'

# Build kernel modules with the --enable-debug-dmu-tx switch?
# Only applicable for Debian GNU/Linux {dkms,initramfs}.
ZFS_DKMS_ENABLE_DEBUG_DMU_TX='no'

# Keep debugging symbols in kernel modules?
# Only applicable for Debian GNU/Linux {dkms,initramfs}.
ZFS_DKMS_DISABLE_STRIP='no'

# Wait for this many seconds in the initrd pre_mountroot?
# This delays startup and should be '0' on most systems.
# Only applicable for Debian GNU/Linux {dkms,initramfs}.
ZFS_INITRD_PRE_MOUNTROOT_SLEEP='0'

# Wait for this many seconds in the initrd mountroot?
# This delays startup and should be '0' on most systems. This might help on
# systems which have their ZFS root on a USB disk that takes just a little
# longer to be available
# Only applicable for Debian GNU/Linux {dkms,initramfs}.
ZFS_INITRD_POST_MODPROBE_SLEEP='0'

# List of additional datasets to mount after the root dataset is mounted?
#
# The init script will use the mountpoint specified in the 'mountpoint'
# property value in the dataset to determine where it should be mounted.
#
# This is a space separated list,and will be mounted in the order specified,# so if one filesystem depends on a previous mountpoint,make sure to put
# them in the right order.
#
# It is not necessary to add filesystems below the root fs here. It is
# taken care of by the initrd script automatically. These are only for
# additional filesystems needed. Such as /opt,/usr/local which is not
# located under the root fs.
# Example: If root FS is 'rpool/ROOT/rootfs',this would make sense.
#ZFS_INITRD_ADDITIONAL_DATASETS="rpool/ROOT/usr rpool/ROOT/var"

# List of pools that should NOT be imported at boot?
# This is a space separated list.
#ZFS_POOL_EXCEPTIONS="test2"

# Optional arguments for the ZFS Event Daemon (ZED).
# See zed(8) for more information on available options.
#ZED_ARGS="-M"

我不确定这是否是一个已知问题,如果是,是否有任何解决方法？也许是一种在重启后保存我的数据集的简单方法,最好不需要缓存文件的开销.

解决方法

zfs.target加载了活动的活动ZFS启动目标

你永远不应该为此而挣扎.如果有机会,请在zfs发行版上运行更新,因为我知道初创公司的服务在过去几个版本中有所改进：

[root@zfs2 ~]# rpm -qi zfs
Name        : zfs
Version     : 0.6.5.2
Release     : 1.el7.centos

（编辑：安卓应用网）

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