>Number: 152087
>Category: bin
>Synopsis: 8-STABLE gmultipath error 'Unknown verb add'
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Nov 10 00:40:07 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Mike Carlson
>Release: 8-STABLE
>Organization:
LLNL
>Environment:
FreeBSD write.llnl.gov 8.1-STABLE FreeBSD 8.1-STABLE #0: Mon Nov 8 16:38:06
PST 2010 r...@write.llnl.gov:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
I just built 8-STABLE today.
Previously, gmultipath seemed to work by specifying the device handles per
label. However, now gmultipath doesn't seem to add any other components besides
the first one (da2 in this case):
write# camcontrol inquiry da2 -S
085E8C000000006B38CC76
write# camcontrol inquiry da9 -S
085E8C000000006B38CC76
write# gmultipath label -v WINSYS-V001 /dev/da2 /dev/da9
gmultipath: Unknown verb add
write# gmultipath status
Name Status Components
multipath/WINSYS-V001 N/A da2
write# dmesg | tail -2
GEOM_MULTIPATH: adding da2 to WINSYS-V001/cbaa6887-ec4f-11df-bb7a-1cc1dee9fbae
GEOM_MULTIPATH: da2 now active path in WINSYS-V001
I have trick GEOM into recognizing the other disk:
write# echo 1 > /dev/da9
write# dmesg| tail -1
GEOM_MULTIPATH: adding da9 to WINSYS-V001/bd0f1f20-ec50-11df-bb7a-1cc1dee9fbae
write# gmultipath status
Name Status Components
multipath/WINSYS-V001 N/A da2
da9
Otherwise, the interaction with the device label works fine. I know the SVN
commit 207384 changed the behavior of gmultipath, so I'm assuming it is related.
>How-To-Repeat:
see 'gmultipath woes'
http://docs.freebsd.org/cgi/getmsg.cgi?fetch=40337+0+archive/2010/freebsd-geom/20100801.freebsd-geom
:
[r...@ostracod /mnt]# mdconfig -a -t vnode -f /scratch/test.dsk -u 12
[r...@ostracod /mnt]# mdconfig -a -t vnode -f /scratch/test.dsk -u 13
[r...@ostracod /mnt]# sysctl kern.geom.multipath.debug=1
kern.geom.multipath.debug: 1 -> 1
[r...@ostracod /mnt]# gmultipath label -v TEST /dev/md12 /dev/md13
gmultipath: Unknown verb add
[r...@ostracod /mnt]# gmultipath list
Geom name: TEST
Providers:
1. Name: multipath/TEST
Mediasize: 52428288 (50M)
Sectorsize: 512
Mode: r0w0e0
Consumers:
1. Name: md12
Mediasize: 52428800 (50M)
Sectorsize: 512
Mode: r0w0e0
[r...@ostracod /mnt]# gmultipath status
Name Status Components
multipath/TEST N/A md12
However doing
echo 1 > /dev/md13 made geom re-taste the device so I get
[r...@ostracod /mnt]# gmultipath list
Geom name: TEST
Providers:
1. Name: multipath/TEST
Mediasize: 52428288 (50M)
Sectorsize: 512
Mode: r0w0e0
Consumers:
1. Name: md12
Mediasize: 52428800 (50M)
Sectorsize: 512
Mode: r0w0e0
2. Name: md13
Mediasize: 52428800 (50M)
Sectorsize: 512
Mode: r0w0e0
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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