[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [linux-lvm] Lvm hangs on San fail



Can you post the output of multipath when the port is down?


On Fri, Apr 16, 2010 at 1:55 AM, jose nuno neto <jose neto liber4e com> wrote:
> Hi
>
>
>> Can you show us a pvdisplay or verbose vgdisplay ?
>>
>
> Here goes the vgdisplay -v of one of the vgs with mirrors
>
> ###########################################################
>
> --- Volume group ---
>  VG Name               vg_ora_jura
>  System ID
>  Format                lvm2
>  Metadata Areas        3
>  Metadata Sequence No  705
>  VG Access             read/write
>  VG Status             resizable
>  MAX LV                0
>  Cur LV                4
>  Open LV               4
>  Max PV                0
>  Cur PV                3
>  Act PV                3
>  VG Size               52.79 GB
>  PE Size               4.00 MB
>  Total PE              13515
>  Alloc PE / Size       12292 / 48.02 GB
>  Free  PE / Size       1223 / 4.78 GB
>  VG UUID               nttQ3x-4ecP-Q6ms-jt2u-UIs4-texj-Q9Nxdt
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_arch
>  VG Name                vg_ora_jura
>  LV UUID                8oUfYn-2TrP-yS6K-pcS2-cgI4-tcv1-33dSdX
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                5.00 GB
>  Current LE             1280
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:28
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_export
>  VG Name                vg_ora_jura
>  LV UUID                NLfQT6-36TS-DRHq-PJRf-9UDv-L8mz-HjPea2
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                5.00 GB
>  Current LE             1280
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:32
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_data
>  VG Name                vg_ora_jura
>  LV UUID                VtSBIL-XvCw-23xK-NVAH-DvYn-P2sE-OkZJro
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                12.00 GB
>  Current LE             3072
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:40
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_redo
>  VG Name                vg_ora_jura
>  LV UUID                KRHKBG-71Qv-YBsA-oJDt-igzP-EYaI-gPwcBX
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                2.00 GB
>  Current LE             512
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:48
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_arch_mimage_0
>  VG Name                vg_ora_jura
>  LV UUID                lQCOAt-aoK3-HBp1-xrQW-eh7L-6t94-CyAg5c
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                5.00 GB
>  Current LE             1280
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:26
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_arch_mimage_1
>  VG Name                vg_ora_jura
>  LV UUID                snrnPc-8FxY-ekAk-ooNe-sBws-tuI0-cTFfj3
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                5.00 GB
>  Current LE             1280
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:27
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_arch_mlog
>  VG Name                vg_ora_jura
>  LV UUID                ouqaCQ-Deex-iArv-xLe9-jg8b-5cLf-3SChQ1
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                4.00 MB
>  Current LE             1
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:25
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_data_mlog
>  VG Name                vg_ora_jura
>  LV UUID                TmE2S0-r8ST-v624-RxUn-Qppw-2l8p-jM9EC9
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                4.00 MB
>  Current LE             1
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:37
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_data_mimage_0
>  VG Name                vg_ora_jura
>  LV UUID                8hR0bP-g9mR-OSXS-KdUM-ouZ6-KVdS-sfz51c
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                12.00 GB
>  Current LE             3072
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:38
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_data_mimage_1
>  VG Name                vg_ora_jura
>  LV UUID                fzdzrD-7p6d-XFkA-UHyr-CPad-F2nV-6QIU9p
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                12.00 GB
>  Current LE             3072
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:39
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_export_mlog
>  VG Name                vg_ora_jura
>  LV UUID                29yLY8-N3Lv-46pN-1jze-50A2-wlhu-quuoMa
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                4.00 MB
>  Current LE             1
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:29
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_export_mimage_0
>  VG Name                vg_ora_jura
>  LV UUID                1uMTsf-wPaQ-ItTy-rpma-m2La-TGZl-C4KIU4
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                5.00 GB
>  Current LE             1280
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:30
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_export_mimage_1
>  VG Name                vg_ora_jura
>  LV UUID                cm8Kn7-knL3-mUPL-XFvU-geMm-Wxff-32x2va
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                5.00 GB
>  Current LE             1280
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:31
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_redo_mlog
>  VG Name                vg_ora_jura
>  LV UUID                811tNy-eaC5-zfZQ-1QVf-cbYP-1MIM-v6waJF
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                4.00 MB
>  Current LE             1
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:45
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_redo_mimage_0
>  VG Name                vg_ora_jura
>  LV UUID                aUZAer-f5rl-1f2X-9jgY-f8CJ-jdwe-F5Pmao
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                2.00 GB
>  Current LE             512
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:46
>
>  --- Logical volume ---
>  LV Name                /dev/vg_ora_jura/lv_ora_jura_redo_mimage_1
>  VG Name                vg_ora_jura
>  LV UUID                gAEJym-sSbq-rC4P-AjpI-OibV-k3yI-lDx1I6
>  LV Write Access        read/write
>  LV Status              available
>  # open                 1
>  LV Size                2.00 GB
>  Current LE             512
>  Segments               1
>  Allocation             inherit
>  Read ahead sectors     auto
>  - currently set to     256
>  Block device           253:47
>
>  --- Physical volumes ---
>  PV Name               /dev/mapper/mpath-dc1-b
>  PV UUID               hgjXU1-2qjo-RsmS-1XJI-d0kZ-oc4A-ZKCza8
>  PV Status             allocatable
>  Total PE / Free PE    6749 / 605
>
>  PV Name               /dev/mapper/mpath-dc2-b
>  PV UUID               hcANwN-aeJT-PIAq-bPsf-9d3e-ylkS-GDjAGR
>  PV Status             allocatable
>  Total PE / Free PE    6749 / 605
>
>  PV Name               /dev/mapper/mpath-dc2-mlog1p1
>  PV UUID               4l9Qvo-SaAV-Ojlk-D1YB-Tkud-Yjg0-e5RkgJ
>  PV Status             allocatable
>  Total PE / Free PE    17 / 13
>
>
>
>> On 4/15/10, jose nuno neto <jose neto liber4e com> wrote:
>>> hellos
>>>
>>> I spent more time on this and it seems since LVM cant write to any pv on
>>> the  volumes it has lost, it cannot write the failure of the devices and
>>> update the metadata on other PVs. So it hangs forever
>>>
>>> Is this right?
>>>
>>>> GoodMornings
>>>>
>>>> This is what I have on multipath.conf
>>>>
>>>> blacklist {
>>>>         wwid SSun_VOL0_266DCF4A
>>>>         wwid SSun_VOL0_5875CF4A
>>>>         devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
>>>>         devnode "^hd[a-z]"
>>>> }
>>>> defaults {
>>>>                 user_friendly_names             yes
>>>> }
>>>> devices {
>>>>        device {
>>>>                 vendor                          "HITACHI"
>>>>                 product                         "OPEN-V"
>>>>                 path_grouping_policy            group_by_node_name
>>>>                 failback                        immediate
>>>>                 no_path_retry                   fail
>>>>        }
>>>>        device {
>>>>                 vendor                          "IET"
>>>>                 product                         "VIRTUAL-DISK"
>>>>                 path_checker                    tur
>>>>                 path_grouping_policy            failover
>>>>                 failback                        immediate
>>>>                 no_path_retry                   fail
>>>>        }
>>>> }
>>>>
>>>> As an example this is one LUN. It shoes [features=0] so I'd say it
>>>> should
>>>> fail right way
>>>>
>>>> mpath-dc2-a (360060e8004f240000000f24000000502) dm-15 HITACHI,OPEN-V
>>>> -SU
>>>> [size=26G][features=0][hwhandler=0][rw]
>>>> \_ round-robin 0 [prio=4][active]
>>>>  \_ 5:0:1:0     sdu  65:64  [active][ready]
>>>>  \_ 5:0:1:16384 sdac 65:192 [active][ready]
>>>>  \_ 5:0:1:32768 sdas 66:192 [active][ready]
>>>>  \_ 5:0:1:49152 sdba 67:64  [active][ready]
>>>> \_ round-robin 0 [prio=4][enabled]
>>>>  \_ 3:0:1:0     sdaw 67:0   [active][ready]
>>>>  \_ 3:0:1:16384 sdbe 67:128 [active][ready]
>>>>  \_ 3:0:1:32768 sdbi 67:192 [active][ready]
>>>>  \_ 3:0:1:49152 sdbm 68:0   [active][ready]
>>>>
>>>> It think they fail since I see this messages from LVM:
>>>> Apr 14 16:03:05 dc1-x6250-a lvm[15622]: Device failure in
>>>> vg_syb_roger-lv_syb_roger_admin
>>>> Apr 14 16:03:14 dc1-x6250-a lvm[15622]: Failed to remove faulty devices
>>>> in
>>>> vg_syb_roger-lv_syb_roger_admin
>>>>
>>>> But from some reason LVM cant remove them, any option I should have on
>>>> lvm.conf?
>>>>
>>>> BestRegards
>>>> Jose
>>>>> post your multipath.conf file, you may be queuing forever ?
>>>>>
>>>>>
>>>>>
>>>>> On Wed, 2010-04-14 at 15:03 +0000, jose nuno neto wrote:
>>>>>> Hi2all
>>>>>>
>>>>>> I'm on RHEL 5.4 with
>>>>>> lvm2-2.02.46-8.el5_4.1
>>>>>> 2.6.18-164.2.1.el5
>>>>>>
>>>>>> I have a multipathed SAN connection with what Im builing LVs
>>>>>> Its a Cluster system, and I want LVs to switch on failure
>>>>>>
>>>>>> If I simulate a fail through the OS via
>>>>>> /sys/bus/scsi/devices/$DEVICE/delete
>>>>>> I get a LV fail and the service switch to other node
>>>>>>
>>>>>> But if I do it "real" portdown on the SAN Switch, multipath reports
>>>>>> path
>>>>>> down, but LVM commands hang forever and nothing gets switched
>>>>>>
>>>>>> from the logs i see multipath failing paths, and lvm Failed to remove
>>>>>> faulty
>>>>>> "devices"
>>>>>>
>>>>>> Any ideas how I should  "fix" it?
>>>>>>
>>>>>> Apr 14 16:02:45 dc1-x6250-a lvm[15622]: Log device, 253:53, has
>>>>>> failed.
>>>>>> Apr 14 16:02:45 dc1-x6250-a lvm[15622]: Device failure in
>>>>>> vg_ora_scapa-lv_ora_scapa_redo
>>>>>> Apr 14 16:02:45 dc1-x6250-a lvm[15622]: Another thread is handling an
>>>>>> event.  Waiting...
>>>>>>
>>>>>> Apr 14 16:02:52 dc1-x6250-a multipathd: mpath-dc1-a: remaining active
>>>>>> paths: 0
>>>>>> Apr 14 16:02:52 dc1-x6250-a multipathd: mpath-dc1-a: remaining active
>>>>>> paths: 0
>>>>>> Apr 14 16:02:52 dc1-x6250-a multipathd: mpath-dc1-b: remaining active
>>>>>> paths: 0
>>>>>> Apr 14 16:02:52 dc1-x6250-a multipathd: mpath-dc1-b: remaining active
>>>>>> paths: 0
>>>>>>
>>>>>> Apr 14 16:03:05 dc1-x6250-a lvm[15622]: Device failure in
>>>>>> vg_syb_roger-lv_syb_roger_admin
>>>>>> Apr 14 16:03:14 dc1-x6250-a lvm[15622]: Failed to remove faulty
>>>>>> devices
>>>>>> in
>>>>>> vg_syb_roger-lv_syb_roger_admin
>>>>>>
>>>>>> Much Thanks
>>>>>> Jose
>>>>>>
>>>>>> _______________________________________________
>>>>>> linux-lvm mailing list
>>>>>> linux-lvm redhat com
>>>>>> https://www.redhat.com/mailman/listinfo/linux-lvm
>>>>>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> linux-lvm mailing list
>>>>> linux-lvm redhat com
>>>>> https://www.redhat.com/mailman/listinfo/linux-lvm
>>>>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>>>>
>>>>
>>>>
>>>
>>> _______________________________________________
>>> linux-lvm mailing list
>>> linux-lvm redhat com
>>> https://www.redhat.com/mailman/listinfo/linux-lvm
>>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>>
>>
>> --
>> Sent from my mobile device
>>
>> Regards,
>> Eugene Vilensky
>> evilensky gmail com
>>
>> _______________________________________________
>> linux-lvm mailing list
>> linux-lvm redhat com
>> https://www.redhat.com/mailman/listinfo/linux-lvm
>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm redhat com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]