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Linux : NAS/NFS Volume Hangs while Writing/Reading Huge Files (Doc ID 2521938.1)

Last updated on APRIL 24, 2020

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86
Linux x86-64

Symptoms

NAS/NFS volume hangs while writing/reading huge files. The server contains multiple NFS mount points from various hosts.

/var/log/messages log file has following entries ;


[] ? __switch_to+0x26e/0x320
[] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs]
[] io_schedule+0x73/0xc0
[] nfs_wait_bit_uninterruptible+0xe/0x20 [nfs]
[] __wait_on_bit+0x5f/0x90
[] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs]
[] out_of_line_wait_on_bit+0x78/0x90
[] ? wake_bit_function+0x0/0x50

Cause

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In this Document
Symptoms
Cause
Solution
References


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