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Operating Systems Solaris ZFS shared with NFS makes directory cover filesystem Post 302929889 by mijohnst on Sunday 28th of December 2014 03:26:54 PM
Old 12-28-2014
ZFS shared with NFS makes directory cover filesystem

I'm having a strange issue that I'm unsure what to do with. I have a new Solaris home server that I want hard mount /home to all our servers. I've made each user's home directory a filesystem so that I can manage every user with a quota. In each one of my server vfstab files I have it set as:

home-server:/DATA/home /home nfs - yes bg,rw, soft

The zpool is called DATA with a filesystem called home and each users home directory is a filesystem under that. So for example one could be /DATA/home/homer on the home server that would mount /home/homer when a user logs in to any server.

The issue is that when I log into a server, a new directory (not filesystem) is created with the exact same name on the home server under /DATA/home and it ignores that there is a filesystem there already. It's like a directory is created and it masks the users home filesystem. On the home server, I have to "zfs unmount DATA/home/homer" and then I can delete the directory that was created. I don't want to have to create a line for each user on each server's vfstab file, so is there a whilecard or something that I need to add?

I don't have this issue when I use automount. I don't like using automount because I sometimes have issues with it screwing up with LDAP and I have to login as root and restart it.
Thanks for the help!
 

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cachefslog(1M)						  System Administration Commands					    cachefslog(1M)

NAME
cachefslog - Cache File System logging SYNOPSIS
cachefslog [-f logfile | -h] cachefs_mount_point DESCRIPTION
The cachefslog command displays where CacheFS statistics are being logged. Optionally, it sets where CacheFS statistics are being logged, or it halts logging for a cache specified by cachefs_mount_point. The cachefs_mount_point argument is a mount point of a cache file system. All file systems cached under the same cache as cachefs_mount_point will be logged. OPTIONS
The following options are supported. You must be super-user to use the -f and -h options. -f logfile Specify the log file to be used. -h Halt logging. OPERANDS
cachefs_mount_point A mount point of a cache file system. USAGE
See largefile(5) for the description of the behavior of cachefslog when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). EXAMPLES
Example 1: Checking the Logging of a directory. The example below checks if the directory /home/sam is being logged: example% cachefslog /home/sam not logged: /home/sam Example 2: Changing the logfile. The example below changes the logfile of /home/sam to /var/tmp/samlog: example# cachefslog -f /var/tmp/samlog /home/sam /var/tmp/samlog: /home/sam Example 3: Verifying the change of a logfile. The example below verifies the change of the previous example: example% cachefslog /home/sam /var/tmp/samlog: /home/sam Example 4: Halting the logging of a directory. The example below halts logging for the /home/sam directory: example# cachefslog -h /home/sam not logged: /home/sam EXIT STATUS
The following exit values are returned: 0 success non-zero an error has occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
cachefsstat(1M), cachefswssize(1M), cfsadmin(1M), attributes(5), largefile(5) DIAGNOSTICS
Invalid path It is illegal to specify a path within a cache file system. SunOS 5.10 7 Feb 1997 cachefslog(1M)
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