[gpfsug-discuss] Getting 'blk_cloned_rq_check_limits: over max size limit' errors after updating the systems to kernel 2.6.32-642.el6 or later

[Oesterlin, Robert]

See this technote for an alternative fix and details:

http://www-01.ibm.com/support/docview.wss?uid=isg3T1024840&acss=danl_4184_web

Bob Oesterlin
Sr Principal Storage Engineer, Nuance




From: <gpfsug-discuss-bounces at spectrumscale.org> on behalf of Matt Weil <mweil at wustl.edu>
Reply-To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date: Monday, February 13, 2017 at 9:46 AM
To: "gpfsug-discuss at spectrumscale.org" <gpfsug-discuss at spectrumscale.org>
Subject: [EXTERNAL] Re: [gpfsug-discuss] Getting 'blk_cloned_rq_check_limits: over max size limit' errors after updating the systems to kernel 2.6.32-642.el6 or later

The 4.2.2.2 readme says:

* Fix a multipath device failure that reads "blk_cloned_rq_check_limits: over max size limit" which can occur when kernel function bio_get_nr_vecs() returns a value which is larger than the value of max sectors of the block device.
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