Stretch (campus) cluster and ASM bug 6656309

Hi all
we have applied 6656309 patch in our Test environment and we think
to apply it also in Production soon.
If anyone:
- has a stretch (campus) 10.2.3 RAC cluster ,
- is using ASM with storages in (at least) two different buildings,
- is aware of bug 6656309 (and related 6360485, 6747864 for example),
- plans to install the patch (it has been released for a few platforms),
- wants to share his thoughts here,
he is really welcome.
Thanks
Oscar Armanini
Please note that the patch applies to db executable(s), not ASM ones, but I prefer to post it in the ASM forum because the final result of the bug is that ASM does not declare the disks missing when one storage system get lost.

10gR2 has some limitations/issues in case of extended cluster(Read about re-silvering process in 10g). We put Extended cluster on Solaris, but we didn't use Failgroup due to same reason.
We used Sun cluster to mirror disk at OS level
we implemented 11g extended cluster on windows and it works like a charm. Of course it has it's own limitations (Placing 3rd voting issue in windows)
anyways, for extended cluster 11g is best option so far, if possible.

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    kfdp_query(): 8
    kfdp_queryBg(): 8
    NOTE: cache opening disk 0 of grp 4: LOG2 label:ASM_LOG2
    NOTE: F1X0 found on disk 0 fcn 0.0
    NOTE: cache mounting (not first) group 4/0xF7163E3C (REDO02)
    kjbdomatt send to node 1
    kjbdomatt send to node 2
    NOTE: attached to recovery domain 4
    NOTE: LGWR attempting to mount thread 1 for diskgroup 4
    NOTE: LGWR mounted thread 1 for disk group 4
    NOTE: opening chunk 1 at fcn 0.225880 ABA
    NOTE: seq=30 blk=10556
    NOTE: cache mounting group 4/0xF7163E3C (REDO02) succeeded
    NOTE: cache ending mount (success) of group REDO02 number=4 incarn=0xf7163e3c
    kfdp_query(): 9
    kfdp_queryBg(): 9
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 1
    SUCCESS: diskgroup DATA was mounted
    kfdp_query(): 10
    kfdp_queryBg(): 10
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 2
    SUCCESS: diskgroup RECOVERY was mounted
    kfdp_query(): 11
    kfdp_queryBg(): 11
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 3
    SUCCESS: diskgroup REDO01 was mounted
    kfdp_query(): 12
    kfdp_queryBg(): 12
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 4
    SUCCESS: diskgroup REDO02 was mounted
    SUCCESS: ALTER DISKGROUP ALL MOUNT
    Thu Mar 24 08:26:28 2011
    Starting background process ASMB
    Thu Mar 24 08:26:28 2011
    ASMB started with pid=20, OS id=9597
    NOTE: ASMB process exiting due to lack of ASM file activity for 5 seconds
    Thu Mar 24 08:27:39 2011
    Starting background process ASMB
    Thu Mar 24 08:27:39 2011
    ASMB started with pid=25, OS id=10735
    NOTE: ASMB process exiting due to lack of ASM file activity for 5 seconds
    +[oracle@qa1crmrac1 trace]$ tail -1500 alert_ASM1.log
    Thu Mar 24 07:05:11 2011
    LMD0 (ospid: 32493) has not called a wait for 94 secs.
    GES: System Load is HIGH.
    GES: Current load is 55.87 and high load threshold is 20.00
    Thu Mar 24 07:06:32 2011
    LMD0 (ospid: 32493) has not called a wait for 174 secs.
    GES: System Load is HIGH.
    GES: Current load is 71.23 and high load threshold is 20.00
    Thu Mar 24 07:06:36 2011
    +Trace dumping is performing id=[cdmp_20110324070635]+
    Thu Mar 24 07:07:49 2011
    +Trace dumping is performing id=[cdmp_20110324070635]+
    Thu Mar 24 07:08:16 2011
    Waiting for clusterware split-brain resolution
    Thu Mar 24 07:18:17 2011
    Errors in file /u01/app/oracle/diag/asm/asm/+ASM1/trace/+ASM1_lmon_32484.trc (incident=60073):+
    ORA-29740: evicted by member 1, group incarnation 120
    Incident details in: /u01/app/oracle/diag/asm/asm/+ASM1/incident/incdir_60073/+ASM1_lmon_32484_i60073.trc+
    Thu Mar 24 07:18:19 2011
    +Trace dumping is performing id=[cdmp_20110324071819]+
    Errors in file /u01/app/oracle/diag/asm/asm/+ASM1/trace/+ASM1_lmon_32484.trc:+
    ORA-29740: evicted by member 1, group incarnation 120
    LMON (ospid: 32484): terminating the instance due to error 29740
    System state dump is made for local instance
    System State dumped to trace file /u01/app/oracle/diag/asm/asm/+ASM1/trace/+ASM1_diag_32459.trc+
    +Trace dumping is performing id=[cdmp_20110324071820]+
    Instance terminated by LMON, pid = 32484
    Thu Mar 24 07:18:31 2011
    Starting ORACLE instance (normal)
    LICENSE_MAX_SESSION = 0
    LICENSE_SESSIONS_WARNING = 0
    Interface type 1 eth1 172.20.223.0 configured from OCR for use as a cluster interconnect
    Interface type 1 eth0 172.20.222.0 configured from OCR for use as  a public interface
    Picked latch-free SCN scheme 2
    Using LOG_ARCHIVE_DEST_1 parameter default value as /u01/app/oracle/product/11.1.0/asm_1/dbs/arch
    Autotune of undo retention is turned on.
    LICENSE_MAX_USERS = 0
    SYS auditing is disabled
    Starting up ORACLE RDBMS Version: 11.1.0.7.0.
    Using parameter settings in server-side pfile /u01/app/oracle/product/11.1.0/asm_1/dbs/initASM1.ora+
    System parameters with non-default values:
    large_pool_size          = 12M
    instance_type            = "asm"
    cluster_database         = TRUE
    instance_number          = 1
    asm_diskstring           = "ORCL:*"
    asm_diskgroups           = "REDO01"
    asm_diskgroups           = "REDO02"
    asm_diskgroups           = "DATA"
    asm_diskgroups           = "RECOVERY"
    diagnostic_dest          = "/u01/app/oracle"
    Cluster communication is configured to use the following interface(s) for this instance
    +172.20.223.25+
    cluster interconnect IPC version:Oracle UDP/IP (generic)
    IPC Vendor 1 proto 2
    Thu Mar 24 07:18:36 2011
    PMON started with pid=2, OS id=23120
    Thu Mar 24 07:18:36 2011
    VKTM started with pid=3, OS id=23123 at elevated priority
    VKTM running at (20)ms precision
    Thu Mar 24 07:18:36 2011
    DIAG started with pid=4, OS id=23127
    Thu Mar 24 07:18:37 2011
    PING started with pid=5, OS id=23129
    Thu Mar 24 07:18:37 2011
    PSP0 started with pid=6, OS id=23131
    Thu Mar 24 07:18:37 2011
    DIA0 started with pid=7, OS id=23133
    Thu Mar 24 07:18:37 2011
    LMON started with pid=8, OS id=23135
    Thu Mar 24 07:18:37 2011
    LMD0 started with pid=9, OS id=23137
    Thu Mar 24 07:18:37 2011
    LMS0 started with pid=10, OS id=23148 at elevated priority
    Thu Mar 24 07:18:37 2011
    MMAN started with pid=11, OS id=23152
    Thu Mar 24 07:18:38 2011
    DBW0 started with pid=12, OS id=23170
    Thu Mar 24 07:18:38 2011
    LGWR started with pid=13, OS id=23176
    Thu Mar 24 07:18:38 2011
    CKPT started with pid=14, OS id=23218
    Thu Mar 24 07:18:38 2011
    SMON started with pid=15, OS id=23224
    Thu Mar 24 07:18:38 2011
    RBAL started with pid=16, OS id=23237
    Thu Mar 24 07:18:38 2011
    GMON started with pid=17, OS id=23239
    lmon registered with NM - instance id 1 (internal mem no 0)
    Reconfiguration started (old inc 0, new inc 124)
    ASM instance
    List of nodes:
    +0 1 2+
    Global Resource Directory frozen
    * allocate domain 0, invalid = TRUE
    Communication channels reestablished
    * allocate domain 1, invalid = TRUE
    * allocate domain 2, invalid = TRUE
    * allocate domain 3, invalid = TRUE
    * allocate domain 4, invalid = TRUE
    * domain 0 valid = 1 according to instance 1
    * domain 1 valid = 1 according to instance 1
    * domain 2 valid = 1 according to instance 1
    * domain 3 valid = 1 according to instance 1
    * domain 4 valid = 1 according to instance 1
    Master broadcasted resource hash value bitmaps
    Non-local Process blocks cleaned out
    LMS 0: 0 GCS shadows cancelled, 0 closed, 0 Xw survived
    Set master node info
    Submitted all remote-enqueue requests
    Dwn-cvts replayed, VALBLKs dubious
    All grantable enqueues granted
    LMS 0: 0 GCS shadows traversed, 0 replayed
    Submitted all GCS remote-cache requests
    Post SMON to start 1st pass IR
    Fix write in gcs resources
    Reconfiguration complete
    Thu Mar 24 07:18:40 2011
    LCK0 started with pid=18, OS id=23277
    ORACLE_BASE from environment = /u01/app/oracle
    Thu Mar 24 07:18:41 2011
    SQL> ALTER DISKGROUP ALL MOUNT
    NOTE: cache registered group DATA number=1 incarn=0xf7063e39
    NOTE: cache began mount (not first) of group DATA number=1 incarn=0xf7063e39
    NOTE: cache registered group RECOVERY number=2 incarn=0xf7063e3a
    NOTE: cache began mount (not first) of group RECOVERY number=2 incarn=0xf7063e3a
    NOTE: cache registered group REDO01 number=3 incarn=0xf7163e3b
    NOTE: cache began mount (not first) of group REDO01 number=3 incarn=0xf7163e3b
    NOTE: cache registered group REDO02 number=4 incarn=0xf7163e3c
    NOTE: cache began mount (not first) of group REDO02 number=4 incarn=0xf7163e3c
    NOTE:Loaded lib: /opt/oracle/extapi/32/asm/orcl/1/libasm.so
    NOTE: Assigning number (1,0) to disk (ORCL:ASM_DATA1)
    NOTE: Assigning number (1,1) to disk (ORCL:ASM_DATA2)
    NOTE: Assigning number (2,0) to disk (ORCL:ASM_RECO1)
    NOTE: Assigning number (3,0) to disk (ORCL:ASM_LOG1)
    NOTE: Assigning number (4,0) to disk (ORCL:ASM_LOG2)
    kfdp_query(): 5
    kfdp_queryBg(): 5
    NOTE: cache opening disk 0 of grp 1: DATA1 label:ASM_DATA1
    NOTE: F1X0 found on disk 0 fcn 0.0
    NOTE: cache opening disk 1 of grp 1: DATA2 label:ASM_DATA2
    NOTE: cache mounting (not first) group 1/0xF7063E39 (DATA)
    kjbdomatt send to node 1
    kjbdomatt send to node 2
    NOTE: attached to recovery domain 1
    NOTE: LGWR attempting to mount thread 1 for diskgroup 1
    NOTE: LGWR mounted thread 1 for disk group 1
    NOTE: opening chunk 1 at fcn 0.10794571 ABA
    NOTE: seq=81 blk=1313
    NOTE: cache mounting group 1/0xF7063E39 (DATA) succeeded
    NOTE: cache ending mount (success) of group DATA number=1 incarn=0xf7063e39
    kfdp_query(): 6
    kfdp_queryBg(): 6
    NOTE: cache opening disk 0 of grp 2: RECO1 label:ASM_RECO1
    NOTE: F1X0 found on disk 0 fcn 0.0
    NOTE: cache mounting (not first) group 2/0xF7063E3A (RECOVERY)
    kjbdomatt send to node 1
    kjbdomatt send to node 2
    NOTE: attached to recovery domain 2
    NOTE: LGWR attempting to mount thread 1 for diskgroup 2
    NOTE: LGWR mounted thread 1 for disk group 2
    NOTE: opening chunk 1 at fcn 0.10436377 ABA
    NOTE: seq=48 blk=4298
    NOTE: cache mounting group 2/0xF7063E3A (RECOVERY) succeeded
    NOTE: cache ending mount (success) of group RECOVERY number=2 incarn=0xf7063e3a
    kfdp_query(): 7
    kfdp_queryBg(): 7
    NOTE: cache opening disk 0 of grp 3: LOG1 label:ASM_LOG1
    NOTE: F1X0 found on disk 0 fcn 0.0
    NOTE: cache mounting (not first) group 3/0xF7163E3B (REDO01)
    kjbdomatt send to node 1
    kjbdomatt send to node 2
    NOTE: attached to recovery domain 3
    NOTE: LGWR attempting to mount thread 1 for diskgroup 3
    NOTE: LGWR mounted thread 1 for disk group 3
    NOTE: opening chunk 1 at fcn 0.229332 ABA
    NOTE: seq=30 blk=10690
    NOTE: cache mounting group 3/0xF7163E3B (REDO01) succeeded
    NOTE: cache ending mount (success) of group REDO01 number=3 incarn=0xf7163e3b
    kfdp_query(): 8
    kfdp_queryBg(): 8
    NOTE: cache opening disk 0 of grp 4: LOG2 label:ASM_LOG2
    NOTE: F1X0 found on disk 0 fcn 0.0
    NOTE: cache mounting (not first) group 4/0xF7163E3C (REDO02)
    kjbdomatt send to node 1
    kjbdomatt send to node 2
    NOTE: attached to recovery domain 4
    NOTE: LGWR attempting to mount thread 1 for diskgroup 4
    NOTE: LGWR mounted thread 1 for disk group 4
    NOTE: opening chunk 1 at fcn 0.225880 ABA
    NOTE: seq=30 blk=10556
    NOTE: cache mounting group 4/0xF7163E3C (REDO02) succeeded
    NOTE: cache ending mount (success) of group REDO02 number=4 incarn=0xf7163e3c
    kfdp_query(): 9
    kfdp_queryBg(): 9
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 1
    SUCCESS: diskgroup DATA was mounted
    kfdp_query(): 10
    kfdp_queryBg(): 10
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 2
    SUCCESS: diskgroup RECOVERY was mounted
    kfdp_query(): 11
    kfdp_queryBg(): 11
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 3
    SUCCESS: diskgroup REDO01 was mounted
    kfdp_query(): 12
    kfdp_queryBg(): 12
    NOTE: Instance updated compatible.asm to 10.1.0.0.0 for grp 4
    SUCCESS: diskgroup REDO02 was mounted
    SUCCESS: ALTER DISKGROUP ALL MOUNT
    Thu Mar 24 08:26:28 2011
    Starting background process ASMB
    Thu Mar 24 08:26:28 2011
    ASMB started with pid=20, OS id=9597
    NOTE: ASMB process exiting due to lack of ASM file activity for 5 seconds
    Thu Mar 24 08:27:39 2011
    Starting background process ASMB
    Thu Mar 24 08:27:39 2011
    ASMB started with pid=25, OS id=10735
    NOTE: ASMB process exiting due to lack of ASM file activity for 5 seconds
    Do i need to set the compatible parameter?
    Regards,
    Vish

    It looks to me like your server is absolutely buried, and ASM may just be an innocent bystander. What is going on in the database when this happens? Also, run sar samples at 30 second intervals up to when this happens to see what is happening. It's overhead, but you need to find what is causing the problem with the server(s).
    Are you swapping?

  • Patching Strategy for CRS and ASM homes

    I'm fairly new to RAC/ASM and haven't performed any patch set upgrades yet. Back in the simple days when I wanted to apply a patch set to a database, say from 10.2.0.4 to 10.2.0.5, I would create a brand new Oracle home ahead of time and apply the patch set to it. I'd name my homes like this:
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    /opt/oracle/product/10.2.0.5/db1
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    2 - No need to backup old home for back-out purposes.
    3 - Less time required for database to be down during actual patch window since Oracle Installer does not need to run.
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    For CRS, it seems like the home is pretty well hard-wired into the node startup scripts and installing a brand new CRS home will probably disrupt the running CRS home.
    Any thoughts about this?

    Hi,
    user5448593 wrote:
    I'm fairly new to RAC/ASM and haven't performed any patch set upgrades yet. Back in the simple days when I wanted to apply a patch set to a database, say from 10.2.0.4 to 10.2.0.5, I would create a brand new Oracle home ahead of time and apply the patch set to it.
    Now with CRS and ASM, is there a way to pre-stage a new home for those, but not have them "active" to the node until later during the maintenance window?Although you have not mentioned the version you are actually on, it is a quite up-to-date question and dilemma.
    Starting with 11.2 for Grid Infrastructure only "out-of-place" patchset upgrades are supported.
    >
    For ASM, it seems like it would be possible to treat the same way as database and simply update ASM SID in /etc/oratab
    +ASM1:/opt/oracle/product/10.2.0.5/asm1
    but I'm not totally confident in that as I'm afraid the CRS home may already have references to the ASM home in the cluster registry.
    For CRS, it seems like the home is pretty well hard-wired into the node startup scripts and installing a brand new CRS home will probably disrupt the running CRS home.
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    Regards,
    Jozsef

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    S

    Hi,
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    B15659-03
    Oracle® Database Oracle Clusterware and Oracle Real Application Clusters Installation Guide
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    ~ Madrid

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    Please no double postings, this will not give you answers faster...
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