Date: Tue, 14 Nov 2006 08:45:49 +0000 (UTC) From: Matt Jacob <mjacob@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/dev/isp isp.c isp_freebsd.c isp_freebsd.h isp_library.c isp_library.h isp_pci.c isp_stds.h ispvar.h Message-ID: <200611140845.kAE8jnYY068885@repoman.freebsd.org>
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mjacob 2006-11-14 08:45:49 UTC
FreeBSD src repository
Modified files:
sys/dev/isp isp.c isp_freebsd.c isp_freebsd.h
isp_library.c isp_library.h isp_pci.c
isp_stds.h ispvar.h
Log:
Push things closer to path failover by implementing loop down and
gone device timers and zombie state entries. There are tunables
that can be used to select a number of parameters.
loop_down_limit - how long to wait for loop to come back up before
declaring
all devices dead (default 300 seconds)
gone_device_time- how long to wait for a device that has appeared
to leave the loop or fabric to reappear (default 30 seconds)
Internal tunables include (which should be externalized):
quick_boot_time- how long to wait when booting for loop to come up
change_is_bad- whether or not to accept devices with the same
WWNN/WWPN that reappear at a different PortID as being the 'same'
device.
Keen students of some of the subtle issues here will ask how
one can keep devices from being re-accepted at all (the answer
is to set a gone_device_time to zero- that effectively would
be the same thing).
Revision Changes Path
1.129 +246 -226 src/sys/dev/isp/isp.c
1.127 +531 -152 src/sys/dev/isp/isp_freebsd.c
1.95 +34 -104 src/sys/dev/isp/isp_freebsd.h
1.7 +53 -6 src/sys/dev/isp/isp_library.c
1.4 +1 -0 src/sys/dev/isp/isp_library.h
1.125 +25 -3 src/sys/dev/isp/isp_pci.c
1.2 +14 -1 src/sys/dev/isp/isp_stds.h
1.79 +38 -5 src/sys/dev/isp/ispvar.h
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