Getting 'blk_cloned_rq_check_limits: over max size limit' errors after updating the systems to kernel 2.6.32-642.el6 or later
Issue
-
After updating the system to
kernel-2.6.32-642.el6
or later, there are following errors getting logged and this is causing dm-multipath path failures:Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit. Jun 14 09:33:38 testhost kernel: device-mapper: multipath: Failing path 70:64. Jun 14 09:33:38 testhost kernel: device-mapper: multipath: Failing path 71:80. Jun 14 09:33:38 testhost multipathd: 70:64: mark as failed Jun 14 09:33:38 testhost multipathd: nsd_crs_04: remaining active paths: 1 Jun 14 09:33:38 testhost multipathd: 71:80: mark as failed [...]
Environment
- Red Hat Enterprise Linux 6.8, 7.3
okernel-2.6.32-642.el6
or later
okernel-3.10.0-327.el7
or later - IBM GPFS version earlier than
4.1.1.8
,4.2.1
.
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