Description of problem: I believe that taft-01 was the server (though i'm not positive) and I rebooted it during the down convert of these two mirrors. Senario: Kill primary leg of synced 2 leg mirror(s) ****** Mirror hash info for this scenario ****** * name: syncd_primary_2legs * sync: 1 * mirrors: 2 * disklog: 1 * failpv: /dev/sdh1 * legs: 2 * pvs: /dev/sdh1 /dev/sde1 /dev/sdf1 ************************************************ Creating mirror(s) on taft-02... taft-02: lvcreate -m 1 -n syncd_primary_2legs_1 -L 800M helter_skelter /dev/sdh1:0-1000 /dev/sde1:0-1000 /dev/sdf1:0-150 taft-02: lvcreate -m 1 -n syncd_primary_2legs_2 -L 800M helter_skelter /dev/sdh1:0-1000 /dev/sde1:0-1000 /dev/sdf1:0-150 Waiting until all mirrors become fully syncd... 0/2 mirror(s) are fully synced: ( 1=11.50% 2=0.00% ) 0/2 mirror(s) are fully synced: ( 1=28.50% 2=16.00% ) 0/2 mirror(s) are fully synced: ( 1=46.50% 2=33.00% ) 0/2 mirror(s) are fully synced: ( 1=64.00% 2=48.50% ) 0/2 mirror(s) are fully synced: ( 1=81.00% 2=64.50% ) 0/2 mirror(s) are fully synced: ( 1=98.00% 2=81.00% ) 2/2 mirror(s) are fully synced: ( 1=100.00% 2=100.00% ) Creating gfs on top of mirror(s) on taft-02... Mounting mirrored gfs filesystems on taft-01... Mounting mirrored gfs filesystems on taft-02... Mounting mirrored gfs filesystems on taft-03... Mounting mirrored gfs filesystems on taft-04... Writing verification files (checkit) to mirror(s) on... ---- taft-01 ---- ---- taft-02 ---- ---- taft-03 ---- ---- taft-04 ---- Sleeping 12 seconds to get some outsanding I/O locks before the failure Disabling device sdh on taft-01 Disabling device sdh on taft-02 Disabling device sdh on taft-03 Disabling device sdh on taft-04 Attempting I/O to cause mirror down conversion(s) on taft-02 10+0 records in 10+0 records out ### FAILED TAFT-01 HERE ### Verifying the down conversion of the failed mirror(s) /dev/sdh1: read failed after 0 of 2048 at 0: Input/output error Verifying FAILED device /dev/sdh1 is *NOT* in the volume(s) /dev/sdh1: read failed after 0 of 2048 at 0: Input/output error Verifying LEG device /dev/sde1 *IS* in the volume(s) /dev/sdh1: read failed after 0 of 2048 at 0: Input/output error Verifying LOG device /dev/sdf1 is *NOT* in the linear(s) /dev/sdh1: read failed after 0 of 2048 at 0: Input/output error log device /dev/sdf1 should no longer be present on taft-02 [root@taft-02 ~]# lvs -a -o +devices /dev/sdh1: read failed after 0 of 2048 at 0: Input/output error LV VG Attr LSize Origin Snap% Move Log Copy% Convert Devices LogVol00 VolGroup00 -wi-ao 58.34G /dev/sda2(0) LogVol01 VolGroup00 -wi-ao 9.75G /dev/sda2(1867) syncd_primary_2legs_1 helter_skelter -wi-ao 800.00M /dev/sde1(0) syncd_primary_2legs_2 helter_skelter -wi-ao 800.00M /dev/sde1(200) syncd_primary_2legs_2_mimage_0 helter_skelter vwi-a- 800.00M syncd_primary_2legs_2_mimage_1 helter_skelter vwi-a- 800.00M syncd_primary_2legs_2_mlog helter_skelter -wi-a- 4.00M /dev/sdf1(1) [root@taft-02 ~]# dmsetup ls helter_skelter-syncd_primary_2legs_2 (253, 9) helter_skelter-syncd_primary_2legs_1 (253, 5) helter_skelter-syncd_primary_2legs_2_mlog (253, 6) VolGroup00-LogVol01 (253, 1) helter_skelter-syncd_primary_2legs_2_mimage_1 (253, 8) VolGroup00-LogVol00 (253, 0) helter_skelter-syncd_primary_2legs_2_mimage_0 (253, 7) [root@taft-02 ~]# dmsetup ls --tree helter_skelter-syncd_primary_2legs_2 (253:9) └─ (8:65) helter_skelter-syncd_primary_2legs_1 (253:5) └─ (8:65) helter_skelter-syncd_primary_2legs_2_mlog (253:6) └─ (8:81) VolGroup00-LogVol01 (253:1) └─ (8:2) helter_skelter-syncd_primary_2legs_2_mimage_1 (253:8) └─ (8:65) VolGroup00-LogVol00 (253:0) └─ (8:2) helter_skelter-syncd_primary_2legs_2_mimage_0 (253:7) └─ (8:113) [root@taft-02 ~]# dmsetup info Name: helter_skelter-syncd_primary_2legs_2 State: ACTIVE Read Ahead: 256 Tables present: LIVE Open count: 1 Event number: 133 Major, minor: 253, 9 Number of targets: 1 UUID: LVM-ZxFBvXqHXiY1v7hjkxualLvb1MfLx28I3gqP8dYb0T6NkpzVTBlx116u0n7rg1Ny Name: helter_skelter-syncd_primary_2legs_1 State: ACTIVE Read Ahead: 256 Tables present: LIVE Open count: 1 Event number: 135 Major, minor: 253, 5 Number of targets: 1 UUID: LVM-ZxFBvXqHXiY1v7hjkxualLvb1MfLx28ICegFKfeKac72bXanEfnjJ1rqOZI0cRq7 Name: helter_skelter-syncd_primary_2legs_2_mlog State: ACTIVE Read Ahead: 0 Tables present: LIVE Open count: 0 Event number: 0 Major, minor: 253, 6 Number of targets: 1 UUID: LVM-ZxFBvXqHXiY1v7hjkxualLvb1MfLx28IpDhvVdetz0kvAExmsKP1yFII7ZNwRQrX Name: VolGroup00-LogVol01 State: ACTIVE Read Ahead: 256 Tables present: LIVE Open count: 1 Event number: 0 Major, minor: 253, 1 Number of targets: 1 UUID: LVM-0aFTiqoLYX7dWJU63sScCNgaO7boq16XlvpcVPHdnYWO8lwcHAKZEeJjxI49e75R Name: helter_skelter-syncd_primary_2legs_2_mimage_1 State: ACTIVE Read Ahead: 0 Tables present: LIVE Open count: 0 Event number: 0 Major, minor: 253, 8 Number of targets: 1 UUID: LVM-ZxFBvXqHXiY1v7hjkxualLvb1MfLx28IhBOahJQlvV2vRARwnSVbeirMvcAugNxP Name: VolGroup00-LogVol00 State: ACTIVE Read Ahead: 256 Tables present: LIVE Open count: 1 Event number: 0 Major, minor: 253, 0 Number of targets: 1 UUID: LVM-0aFTiqoLYX7dWJU63sScCNgaO7boq16XDS8P1Q22JxhHkAfgPaQUhfFwbeuN3QFA Name: helter_skelter-syncd_primary_2legs_2_mimage_0 State: ACTIVE Read Ahead: 0 Tables present: LIVE Open count: 0 Event number: 0 Major, minor: 253, 7 Number of targets: 1 UUID: LVM-ZxFBvXqHXiY1v7hjkxualLvb1MfLx28IbNy3koZCprUZl3VWqJ2adZssQcIoCWrZ Version-Release number of selected component (if applicable): 2.6.9-71.ELsmp lvm2-2.02.37-3.el4 BUILT: Thu Jun 12 10:09:19 CDT 2008 lvm2-cluster-2.02.37-3.el4 BUILT: Thu Jun 12 10:22:07 CDT 2008 device-mapper-1.02.25-2.el4 BUILT: Mon Jun 9 09:28:41 CDT 2008 cmirror-1.0.1-1 BUILT: Tue Jan 30 17:28:02 CST 2007 cmirror-kernel-2.6.9-41.4 BUILT: Tue Jun 3 13:54:29 CDT 2008
Created attachment 310672 [details] log from taft-01
Created attachment 310673 [details] log from taft-02
Created attachment 310675 [details] log from taft-03
Created attachment 310676 [details] log from taft-04
This bug no longer exists in the latest 5.6 rpms. I tried rebooting the server twice (2-way mirror, 1 log), once w/ the leg fault policy set to 'allocate' and once w/ it set to 'remove' and didn't see an issue either time. Marking this bug CLOSED.