How do you fix a stale NFS handle?
How do you fix a stale NFS handle?
Try restarting NFS first on the server and then on the clients. This may clear the file handles. Rebooting NFS servers with files opened from other servers is not recommended. This is especially problematic if the open file has been deleted on the server.
Where can I find stale NFS mounts?
Stale files are usually found using ls -ltR / | grep “\?” , but this usually takes some time (since it goes over all files in a given path). To further clarify, the issue seen in specific files such as Java library file(s) rather than the whole mount.
What causes stale NFS mounts?
What causes an NFS “stale file handle” error? The answer is any change in the mounted file’s underlying inode, disk device, or inode generation on the NFS server causes an NFS stale filehandle.
What is meant by stale file handle?
Stale file handles are refreshed when the process reopens the file. Doing so updates the file description with the file’s new inode number if it exists. In most cases, the process must do this internally. Otherwise, we may have to restart it.
How do you unmount a stale NFS mount?
You can use umount -f -l /mnt/myfolder , and that will fix the problem.
- -f – Force unmount (in case of an unreachable NFS system). (Requires kernel 2.1.
- -l – Lazy unmount. Detach the filesystem from the filesystem hierarchy now, and cleanup all references to the filesystem as soon as it is not busy anymore.
How do I mount an NFS drive?
How to Mount an NFS File System ( mount Command)
- Become superuser or assume an equivalent role.
- Create a mount point for the file system to be mounted, if necessary. # mkdir /mount-point.
- Ensure that the resource (file or directory) is available from a server.
- Mount the NFS file system.
How do you check if NFS mount is working?
To verify that NFS is running on each computer:
- AIX® operating systems: Type the following command on each computer: lssrc -g nfs The Status field for NFS processes should indicate active .
- Linux® operating systems: Type the following command on each computer: showmount -e hostname.
What causes NFS files?
nfsxxxx files are used by NFS clients to manage the deletion of open files. If an open file is deleted, then the client renames it to . If the last open to this file is closed then the client should send a request to remove it. However, if the client crashes before it can clean up then you’ll be left with these files.
How do I know if NFS is enabled?
Verifying that NFS is running (Linux and UNIX)
- AIX® operating systems: Type the following command on each computer: lssrc -g nfs The Status field for NFS processes should indicate active .
- Linux® operating systems: Type the following command on each computer: showmount -e hostname.