https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=284049
Bug ID: 284049
Summary: mrsas(4) does not expose a /dev/sesX device while
mfi(4) does
Product: Base System
Version: 14.2-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: terry-free...@glaver.org
Created attachment 256679
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=256679&action=edit
dmesg extract when booting with mfi(4)
In switching from the mfi(4) to mrsas(4), the backplane on a Dell PowerEdge
R730 with a PERC H730P controller disappears.
Attached are two kernel boot log extracts (grepping for ^ses) from the same
hardware and the same kernel (14.2-STABLE), once with the mfi(4) driver and
once with the mrsas(4) driver, switched with the usual hw.mfi.mrsas_enable=1
tunable in /boot/loader.conf.
Losing the ses device for the main drive backplane means that I cannot monitor
drive stats, so this is more than an inconvenience.
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