我全新安装了 Centos 7。我似乎无法从 Centos 客户端自动挂载位于 192.168.254.105:/srv/nfsshare
的 NFS 共享。
然而,手动安装共享非常有效。
/etc/auto.master 已被完全注释掉以简化问题,保留以下行:
/- /etc/auto.nfsshare
/etc/auto.nfsshare 包含以下行:
/tests/nfsshare -fstype=nfs,credentials=/etc/credentials.txt 192.168.254.105:/srv/nfsshare
/etc/credentials.txt 持有:
user=user
password=password
预期的行为是当我 ls -l/tests/nfsshare
时,我会看到我的文件服务器的 /srv/nfsshare 目录包含的一些文件。
事实并非如此。相反,它什么也没显示。
sudo journalctl --unit=autofs.service 的日志在启动时显示了这一点(启用调试):
Nov 20 00:25:38 localhost.localdomain systemd[1]: Starting Automounts filesystems on demand...
Nov 20 00:25:38 localhost.localdomain automount[21204]: Starting automounter version 5.0.7-48.el7, master map auto.master
Nov 20 00:25:38 localhost.localdomain automount[21204]: using kernel protocol version 5.02
Nov 20 00:25:38 localhost.localdomain automount[21204]: lookup_nss_read_master: reading master files auto.master
Nov 20 00:25:38 localhost.localdomain automount[21204]: parse_init: parse(sun): init gathered global options: (null)
Nov 20 00:25:38 localhost.localdomain automount[21204]: spawn_mount: mtab link detected, passing -n to mount
Nov 20 00:25:38 localhost.localdomain automount[21204]: spawn_umount: mtab link detected, passing -n to mount
Nov 20 00:25:38 localhost.localdomain automount[21204]: lookup_read_master: lookup(file): read entry /-
Nov 20 00:25:38 localhost.localdomain automount[21204]: master_do_mount: mounting /-
Nov 20 00:25:38 localhost.localdomain automount[21204]: automount_path_to_fifo: fifo name /run/autofs.fifo--
Nov 20 00:25:38 localhost.localdomain automount[21204]: lookup_nss_read_map: reading map file /etc/auto.nfsshare
Nov 20 00:25:38 localhost.localdomain automount[21204]: parse_init: parse(sun): init gathered global options: (null)
Nov 20 00:25:38 localhost.localdomain automount[21204]: spawn_mount: mtab link detected, passing -n to mount
Nov 20 00:25:38 localhost.localdomain automount[21204]: spawn_umount: mtab link detected, passing -n to mount
Nov 20 00:25:38 localhost.localdomain automount[21204]: mounted direct on /tests/nfsshare with timeout 300, freq 75 seconds
Nov 20 00:25:38 localhost.localdomain automount[21204]: do_mount_autofs_direct: mounted trigger /tests/nfsshare
Nov 20 00:25:38 localhost.localdomain automount[21204]: st_ready: st_ready(): state = 0 path /-
Nov 20 00:25:38 localhost.localdomain systemd[1]: Started Automounts filesystems on demand.
当我尝试通过 ls -l/tests/nfsshare 强制安装 nfs 共享时,我的日志中出现以下内容:
Nov 20 00:48:05 localhost.localdomain automount[22030]: handle_packet: type = 5
Nov 20 00:48:05 localhost.localdomain automount[22030]: handle_packet_missing_direct: token 21, name /tests/nfsshare, request pid 22057
Nov 20 00:48:05 localhost.localdomain automount[22030]: attempting to mount entry /tests/nfsshare
Nov 20 00:48:05 localhost.localdomain automount[22030]: lookup_mount: lookup(file): looking up /tests/nfsshare
Nov 20 00:48:05 localhost.localdomain automount[22030]: lookup_mount: lookup(file): /tests/nfsshare -> -fstype=nfs,credentials=/etc/credenti...fsshare
Nov 20 00:48:05 localhost.localdomain automount[22030]: parse_mount: parse(sun): expanded entry: -fstype=nfs,credentials=/etc/credentials.tx...fsshare
Nov 20 00:48:05 localhost.localdomain automount[22030]: parse_mount: parse(sun): gathered options: fstype=nfs,credentials=/etc/credentials.txt
Nov 20 00:48:05 localhost.localdomain automount[22030]: [90B blob data]
Nov 20 00:48:05 localhost.localdomain automount[22030]: dev_ioctl_send_fail: token = 21
Nov 20 00:48:05 localhost.localdomain automount[22030]: failed to mount /tests/nfsshare
Nov 20 00:48:05 localhost.localdomain automount[22030]: handle_packet: type = 5
Nov 20 00:48:05 localhost.localdomain automount[22030]: handle_packet_missing_direct: token 22, name /tests/nfsshare, request pid 22057
Nov 20 00:48:05 localhost.localdomain automount[22030]: dev_ioctl_send_fail: token = 22
此外,ls -l/tests/nfsshare 实际上会产生错误:
ls: cannot access nfsshare/: No such file or directory
我该如何解决这个问题?如前所述,手动安装共享工作正常。
最佳答案
我认为问题在于目录 /tests/nfsshare
存在,尝试:
- 使用
rm -r/tests/nfsshare
删除它 - 然后强制挂载
ls -la/tests/nfsshare
。
来自此链接 Redhat: 21.2.2. Mounting NFS File Systems using autofs autofs 的目标目录不应该存在,因为它是由 automount 创建的。
希望这对您有所帮助。
关于linux - 无法在 Centos 7 上自动挂载 NFS 共享,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33810579/