open calls on raw devices much slower after updating to RHEL 6.3 kernel-2.6.32-279.19.1.el6 or RHEL 6.4 kernel-2.6.32-358.el6
Issue
- After installation of the RHEL6
kernel-2.6.32-279.19.1and higher, raw device I/O is very slow.
Environment
- Red Hat Enterprise Linux (RHEL) 6.3, 6.4
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