[Ocfs2-users] ocfs2_fill_super:616 ERROR

Kendall, Kim Kim_Kendall at inter-tel.com
Fri Jun 1 11:17:10 PDT 2007 

I only see that UUID once. All the other UUIDs have been changed from
their production counterparts: (UUID ending in 8550 is the beast giving
the problem)

After mounting debugfs:
-----------------------
# ls -R /debug
/debug:
ocfs2

/debug/ocfs2:
016B8942717645D2BD94457A34D78550  59451007DF8249B6A933AAD1C8B66BCB
AFC39875A3D441929EA5DE92CDE55A5C
0186F4535F0848EAB43C0EF622EE6FDA  5F1458E28D824328A13EFF9F006632C9
DE8AED12C34145B3A7793CCB8A94FB89
355D669CD10049918234B6C2118F0367  6A70AE3D409E41B68F58415C2963192D
4A489F8B8E8240268BA59854F47B3457  7E088BF63307468C87E19CC2D48E07DD

/debug/ocfs2/016B8942717645D2BD94457A34D78550:

/debug/ocfs2/0186F4535F0848EAB43C0EF622EE6FDA:
locking_state

/debug/ocfs2/355D669CD10049918234B6C2118F0367:
locking_state

/debug/ocfs2/4A489F8B8E8240268BA59854F47B3457:
locking_state

/debug/ocfs2/59451007DF8249B6A933AAD1C8B66BCB:
locking_state

/debug/ocfs2/5F1458E28D824328A13EFF9F006632C9:
locking_state

/debug/ocfs2/6A70AE3D409E41B68F58415C2963192D:
locking_state

/debug/ocfs2/7E088BF63307468C87E19CC2D48E07DD:
locking_state

/debug/ocfs2/AFC39875A3D441929EA5DE92CDE55A5C:
locking_state

/debug/ocfs2/DE8AED12C34145B3A7793CCB8A94FB89:
locking_state

Also looked at the /proc/fs/ocfs2:
----------------------------------
# cat */uuid
5F1458E28D824328A13EFF9F006632C9
AFC39875A3D441929EA5DE92CDE55A5C
59451007DF8249B6A933AAD1C8B66BCB
0186F4535F0848EAB43C0EF622EE6FDA
7E088BF63307468C87E19CC2D48E07DD
DE8AED12C34145B3A7793CCB8A94FB89
355D669CD10049918234B6C2118F0367
6A70AE3D409E41B68F58415C2963192D
4A489F8B8E8240268BA59854F47B3457

But something strange about this volume (emcpowerl) from the rest:
------------------------------------------------------------------
(note - /dev/sdb is the device emcpowerl is mapped to)
# mounted.ocfs2 -f
Device                FS     Nodes
/dev/sdb              ocfs2  appsdb1util, 1, 2, 3
/dev/sdc              ocfs2  Not mounted
/dev/sdd              ocfs2  Not mounted
/dev/sde              ocfs2  appsdb1util
/dev/sdf              ocfs2  appsdb1util
/dev/sdg              ocfs2  appsdb1util
/dev/sdh              ocfs2  appsdb1util
/dev/sdi              ocfs2  appsdb1util
/dev/sdj              ocfs2  appsdb1util
/dev/sdk              ocfs2  appsdb1util
/dev/sdl              ocfs2  appsdb1util
/dev/sdm              ocfs2  appsdb1util
/dev/emcpowera        ocfs2  appsdb1util
/dev/emcpowerb        ocfs2  appsdb1util
/dev/emcpowerc        ocfs2  appsdb1util
/dev/emcpowerd        ocfs2  appsdb1util
/dev/emcpowere        ocfs2  appsdb1util
/dev/emcpowerf        ocfs2  appsdb1util
/dev/emcpowerg        ocfs2  appsdb1util
/dev/emcpowerh        ocfs2  appsdb1util
/dev/emcpoweri        ocfs2  appsdb1util
/dev/emcpowerj        ocfs2  Not mounted
/dev/emcpowerk        ocfs2  Not mounted
/dev/emcpowerl        ocfs2  appsdb1util, 1, 2, 3  <---- This is the
volume


There are NO conflicting UUIDs!
-------------------------------
# mounted.ocfs2 -d
Device                FS     UUID                                  Label
/dev/sdb              ocfs2  016b8942-7176-45d2-bd94-457a34d78550  dbf1
/dev/sdc              ocfs2  8ddded83-6871-4fff-961e-008075cd9c65  dbf2
/dev/sdd              ocfs2  e278e6c9-d86b-4181-97f4-6c5c61bec7c3  dbf3
/dev/sde              ocfs2  59451007-df82-49b6-a933-aad1c8b66bcb
erp01_dbf1
/dev/sdf              ocfs2  afc39875-a3d4-4192-9ea5-de92cde55a5c  dbf1
/dev/sdg              ocfs2  4a489f8b-8e82-4026-8ba5-9854f47b3457  dbf1
/dev/sdh              ocfs2  6a70ae3d-409e-41b6-8f58-415c2963192d
erp01_dbf2
/dev/sdi              ocfs2  355d669c-d100-4991-8234-b6c2118f0367  dbf2
/dev/sdj              ocfs2  de8aed12-c341-45b3-a779-3ccb8a94fb89  dbf2
/dev/sdk              ocfs2  7e088bf6-3307-468c-87e1-9cc2d48e07dd
erp01_dbf3
/dev/sdl              ocfs2  0186f453-5f08-48ea-b43c-0ef622ee6fda  dbf3
/dev/sdm              ocfs2  5f1458e2-8d82-4328-a13e-ff9f006632c9  dbf3
/dev/emcpowera        ocfs2  5f1458e2-8d82-4328-a13e-ff9f006632c9  dbf3
/dev/emcpowerb        ocfs2  0186f453-5f08-48ea-b43c-0ef622ee6fda  dbf3
/dev/emcpowerc        ocfs2  7e088bf6-3307-468c-87e1-9cc2d48e07dd
erp01_dbf3
/dev/emcpowerd        ocfs2  de8aed12-c341-45b3-a779-3ccb8a94fb89  dbf2
/dev/emcpowere        ocfs2  355d669c-d100-4991-8234-b6c2118f0367  dbf2
/dev/emcpowerf        ocfs2  6a70ae3d-409e-41b6-8f58-415c2963192d
erp01_dbf2
/dev/emcpowerg        ocfs2  4a489f8b-8e82-4026-8ba5-9854f47b3457  dbf1
/dev/emcpowerh        ocfs2  afc39875-a3d4-4192-9ea5-de92cde55a5c  dbf1
/dev/emcpoweri        ocfs2  59451007-df82-49b6-a933-aad1c8b66bcb
erp01_dbf1
/dev/emcpowerj        ocfs2  e278e6c9-d86b-4181-97f4-6c5c61bec7c3  dbf3
/dev/emcpowerk        ocfs2  8ddded83-6871-4fff-961e-008075cd9c65  dbf2
/dev/emcpowerl        ocfs2  016b8942-7176-45d2-bd94-457a34d78550  dbf1




-----Original Message-----
From: Sunil Mushran [mailto:Sunil.Mushran at oracle.com] 
Sent: Friday, June 01, 2007 11:01 AM
To: Kendall, Kim
Cc: ocfs2-users at oss.oracle.com
Subject: Re: [Ocfs2-users] ocfs2_fill_super:616 ERROR

This smells like a uuid clash. But it could also be a bug. :)

Do:
# mount -t debugfs debugfs /debug (if not already mounted)
# ls -R /debug

In short, the mount is complaining that a entry with the
same uuid already exists in that location.

If that is the case, do:
# cat /proc/fs/ocfs2/*/uuid

See if /proc agrees.


Kendall, Kim wrote:
>
> We are cloning (using EMC symclone) production volumes to refresh 
> Oracle dev & test environments
>
> So far, the cloning is working as expected. I have several cloned 
> volumes mounted on a couple of systems. Today I tried mounting up a 
> newly cloned environment and have problems.
>
> *_Version Info:_*
>
> # cat /etc/redhat-release
>
> Enterprise Linux Enterprise Linux AS release 4 (October Update 4)
>
> # rpm -qa | grep ocfs2
>
> ocfs2-2.6.9-42.0.0.0.1.ELsmp-1.2.3-2
>
> ocfs2console-1.2.2-2
>
> ocfs2-tools-1.2.2-2
>
> *_I've run fsck.ocfs2 against the volume:_*
>
> # fsck.ocfs2 -f /dev/emcpowerl
>
> Checking OCFS2 filesystem in /dev/emcpowerl:
>
> label: dbf1
>
> uuid: 01 6b 89 42 71 76 45 d2 bd 94 45 7a 34 d7 85 50
>
> number of blocks: 124800000
>
> bytes per block: 4096
>
> number of clusters: 487500
>
> bytes per cluster: 1048576
>
> max slots: 4
>
> /dev/emcpowerl was run with -f, check forced.
>
> Pass 0a: Checking cluster allocation chains
>
> Pass 0b: Checking inode allocation chains
>
> Pass 0c: Checking extent block allocation chains
>
> Pass 1: Checking inodes and blocks.
>
> Pass 2: Checking directory entries.
>
> Pass 3: Checking directory connectivity.
>
> Pass 4a: checking for orphaned inodes
>
> Pass 4b: Checking inodes link counts.
>
> All passes succeeded.
>
> *_Then I try to mount:_*
>
> # mount -t ocfs2 /dev/emcpowerl /oradata/erp07/datafiles/1
>
> mount.ocfs2: Invalid argument while mounting /dev/emcpowerl on 
> /oradata/erp07/datafiles/1. Check 'dmesg' for more information on this

> error.
>
> *_Error (from dmesg):_*
>
> ocfs2_dlm: Nodes in domain ("016B8942717645D2BD94457A34D78550"): 0
>
> (13693,1):ocfs2_fill_super:616 ERROR: Unable to create per-mount 
> debugfs root.
>
> ocfs2: Unmounting device (120,176) on (node 255)
>
> I've also made completely sure that all of the other volumes on this 
> box have had their UUIDs changed so there wouldn't be any UUID 
> conflicts from newly cloned volumes.
>
> Any ideas???
>
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