System running Oracle Linux 6.8 with UEK 4 4.1.12 and Sun ZFS Storage 7330 experiences Data validation i/o errors during takeover and failback testing (Doc ID 2205192.1)

Last updated on FEBRUARY 09, 2017

Applies to:

Linux OS - Version Oracle Linux 6.8 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

 On a system running Oracle Linux Server release 6.8 with UEK4 4.1.12-37.5.1.el6uek.x86_64 and Sun ZFS Storage 7330 with Appliance Version: 2013.06.05.6.0,1-1.16, Data Validation errors occurred during takeover and failback.

When testing cached I/O (not direct IO) takeover/failback operations with
iSCSI single path LUNs (no multipath), vdbench will report block corruption:

 

Cause

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