Hung CIFS processes in D state and stuck in "cifs_reopen_file" Also the logs show "kernel: CIFS VFS: No writable handles for inode" before server getting rebooted

(Doc ID 2318108.1)

Last updated on OCTOBER 17, 2017

Applies to:

Linux OS - Version Oracle Linux 6.8 with Unbreakable Enterprise Kernel [2.6.39] and later
Information in this document applies to any platform.

Symptoms

Server is restarting often and prior to the reboot, high I/O is observed in the devices mapped to NAS storage. NAS storage is mounted using CIFS and processes are stuck in "cifs_reopen_file" state.

Cause

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