[Bug 271238] mpr (LSI SAS3816) driver not finding all devices in HP D6020 enclosures
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Date: Tue, 26 Nov 2024 15:32:44 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271238
karl@denninger.net changed:
What |Removed |Added
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CC| |karl@denninger.net
--- Comment #11 from karl@denninger.net ---
(In reply to Michael Osipov from comment #10)
The driver ought to be able to query and get back an accurate *maximum* number
of drives that can attach (at least without a reset/reboot) since a slot in a
chassis may not have a drive in it now, but one could be put in later without a
reboot.
It sounds like the core issue is that there are devices that lie in that regard
when probed; that's not good and this patch might be the only reasonable
solution since getting manufacturers to fix that, especially for equipment
already-deployed in the field, could be very difficult or impossible
(especially if the unit doesn't have field-updatable firmware!)
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