Date: Mon, 16 Jul 2012 08:44:32 -0700 From: Trent Nelson <trent@snakebite.org> To: "freebsd-geom@FreeBSD.org" <freebsd-geom@freebsd.org> Cc: "mj@feral.com Jacob" <mj@feral.com> Subject: Odd gmultipath behaviour Message-ID: <07BAC177-1227-44B1-83F0-AC998F61E885@snakebite.org>
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This seems... odd: [root@s16/ttypts/1(../misc/isp/bin)#] gmultipath status = =20 Name Status Components multipath/292_61 BROKEN N/A multipath/292_39 BROKEN N/A multipath/292_43 BROKEN N/A multipath/292_54 BROKEN N/A multipath/292_39 OPTIMAL da0 (ACTIVE) da3 (PASSIVE) da8 (PASSIVE) da11 (PASSIVE) multipath/292_43 OPTIMAL da1 (ACTIVE) da5 (PASSIVE) da12 (PASSIVE) da15 (PASSIVE) multipath/292_61 OPTIMAL da2 (ACTIVE) da6 (PASSIVE) da9 (PASSIVE) da13 (PASSIVE) multipath/292_54 OPTIMAL da4 (ACTIVE) da7 (PASSIVE) da10 (PASSIVE) da14 (PASSIVE) I was playing around with isp's target mode, zfs and ctladm. I've got two = dual-port HBAs, I set one of each port to initiator and the other to target= and created a zfs pool (mirror 292_61 292_39 mirror 292_43 292_54). Everything was fine up to this point. Then I ran a few ctladm commands, th= e last one being `ctladm port -l`, then things started going a bit screwy. = I ran Matt's isp/tools/isp_getrole and all four HBAs were now purportedly = in target mode. That, understandably, hosed the gmultipath setup, which resulted in my zpoo= l hanging. I manually isp/tools/isp_setrole'd all the HBAs back to initiat= or, isp/tools/isp_reset them, then `camcontrol rescan all`'d, which brought= everything back. But, uh, what's going on with gmultipath? Why's it hanging on to the broke= n paths? Some more output: [root@s16/ttypts/1(../misc/isp/bin)#] gmultipath list =20 Geom name: 292_61 Type: AUTOMATIC Mode: Active/Passive UUID: 1ad76fac-cf53-11e1-903e-00118513ae7d State: BROKEN Providers: 1. Name: multipath/292_61 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r1w1e1 State: BROKEN Geom name: 292_39 Type: AUTOMATIC Mode: Active/Passive UUID: 65b3e0aa-cf53-11e1-903e-00118513ae7d State: BROKEN Providers: 1. Name: multipath/292_39 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r1w1e1 State: BROKEN Geom name: 292_43 Type: AUTOMATIC Mode: Active/Passive UUID: b5f58ec4-cf53-11e1-903e-00118513ae7d State: BROKEN Providers: 1. Name: multipath/292_43 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r1w1e1 State: BROKEN Geom name: 292_54 Type: AUTOMATIC Mode: Active/Passive UUID: ef54b03c-cf53-11e1-903e-00118513ae7d State: BROKEN Providers: 1. Name: multipath/292_54 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r1w1e1 State: BROKEN Geom name: 292_39 Type: AUTOMATIC Mode: Active/Passive UUID: 65b3e0aa-cf53-11e1-903e-00118513ae7d State: OPTIMAL Providers: 1. Name: multipath/292_39 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r0w0e0 State: OPTIMAL Consumers: 1. Name: da0 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: ACTIVE 2. Name: da3 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 3. Name: da8 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 4. Name: da11 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE Geom name: 292_43 Type: AUTOMATIC Mode: Active/Passive UUID: b5f58ec4-cf53-11e1-903e-00118513ae7d State: OPTIMAL Providers: 1. Name: multipath/292_43 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r0w0e0 State: OPTIMAL Consumers: 1. Name: da1 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: ACTIVE 2. Name: da5 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 3. Name: da12 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 4. Name: da15 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE Geom name: 292_61 Type: AUTOMATIC Mode: Active/Passive UUID: 1ad76fac-cf53-11e1-903e-00118513ae7d State: OPTIMAL Providers: 1. Name: multipath/292_61 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r0w0e0 State: OPTIMAL Consumers: 1. Name: da2 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: ACTIVE 2. Name: da6 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 3. Name: da9 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 4. Name: da13 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE Geom name: 292_54 Type: AUTOMATIC Mode: Active/Passive UUID: ef54b03c-cf53-11e1-903e-00118513ae7d State: OPTIMAL Providers: 1. Name: multipath/292_54 Mediasize: 146815737344 (136G) Sectorsize: 512 Mode: r0w0e0 State: OPTIMAL Consumers: 1. Name: da4 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: ACTIVE 2. Name: da7 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 3. Name: da10 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE 4. Name: da14 Mediasize: 146815737856 (136G) Sectorsize: 512 Mode: r1w1e1 State: PASSIVE Thoughts? Trent.
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