Date: Fri, 10 Nov 2023 15:20:34 -0500 From: Michael Butler <imb@protected-networks.net> To: freebsd-current <freebsd-current@freebsd.org> Subject: mrsas scatter/gather tunable? Message-ID: <4912d86e-1a0a-48a9-b2f9-44f5241243d6@protected-networks.net>
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I have a couple of RAID arrays attached to an old(-ish) LSI 9285CV-8e controller and, while doing a backup between them, I seem to be running into a driver/controller resource issue :-( Every 5 minutes when a 'health check' runs, it logs a shower of "mrsas0: Cannot allocate ioctl data mem" messages. This seems to be as a result of running into the 16 s/g buffer limit for pass-through IOCTLs used by smartd and/or storcli. There doesn't appear to be any data corruption, just annoying log lines. Has anyone else run into this? Michael
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