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  1. #1
    Join Date
    Mar 2010
    Posts
    6

    Unanswered: db2 online backup to Tape

    SAP : ecc 6.0
    os : susi linux 64
    db : DB2 9.1

    Issue : Online backup

    Running : db2 backup db hcp online to /dev/rst0

    /dev/rst0==> is a tape volume

    Trying to take online backup from db2 from command prompt to the tape.

    hclprdm:~ # su - db2hcp
    hclprdm:db2hcp 51> db2 backup db hcp online to /dev/rst0
    SQL2031W Warning! Please mount the target or source media on device
    "/dev/rst0".
    Do you want to continue(c), terminate this device only(d), abort the utility(t) ? (c/d/t) c
    SQL2025N An I/O error "-902" occurred on media "/dev/rst0".


    the db2dailog shows

    2010-03-17-19.23.23.618426+330 E76408611E579 LEVEL: Severe
    PID : 7674 TID : 47600836241360PROC : db2agent (HCP) 0
    INSTANCE: db2hcp NODE : 000 DB : HCP
    APPHDL : 0-1487 APPID: *LOCAL.db2hcp.100317133414
    AUTHID : DB2HCP
    FUNCTION: DB2 UDB, database utilities, sqlubMWResponse, probe:1041
    DATA #1 : Sqlcode, PD_TYPE_SQLCODE, 4 bytes
    -2025
    DATA #2 : Hexdump, 19 bytes
    0x00000003B73A21A0 : 17F8 FFFF 2D39 3032 FF2F 6465 762F 7273 ....-902./dev/rs
    0x00000003B73A21B0 : 7430 00 t0.

    2010-03-17-19.23.23.618573+330 E76409191E844 LEVEL: Severe
    PID : 7674 TID : 47600836241360PROC : db2agent (HCP) 0
    INSTANCE: db2hcp NODE : 000 DB : HCP
    APPHDL : 0-1487 APPID: *LOCAL.db2hcp.100317133414
    AUTHID : DB2HCP
    FUNCTION: DB2 UDB, database utilities, sqlubMWResponse, probe:1041
    MESSAGE : SQL2025N An I/O error "" occurred on media "".
    DATA #1 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes
    sqlcaid : SQLCA sqlcabc: 136 sqlcode: -2025 sqlerrml: 14
    sqlerrmc: -902 /dev/rst0
    sqlerrp : sqlubMWR
    sqlerrd : (1) 0x00000000 (2) 0x00000000 (3) 0x00000000
    (4) 0x00000000 (5) 0x00000000 (6) 0x00000000
    sqlwarn : (1) (2) (3) (4) (5) (6)
    (7) (8) (9) (10) (11)
    sqlstate:

    2010-03-17-19.23.23.660048+330 E76410036E373 LEVEL: Severe
    PID : 7674 TID : 47600836241360PROC : db2agent (HCP) 0
    INSTANCE: db2hcp NODE : 000 DB : HCP
    APPHDL : 0-1487 APPID: *LOCAL.db2hcp.100317133414
    AUTHID : DB2HCP
    FUNCTION: DB2 UDB, database utilities, sqlubcka, probe:869
    MESSAGE : Backup terminated.
    hclprdm:db2hcp 63>

    The activity has been seen for 15 min then giving I/O error

  2. #2
    Join Date
    Mar 2010
    Posts
    6
    hclprdm:db2hcp 51> db2 get dbm cfg

    Database Manager Configuration

    Node type = Enterprise Server Edition with local and remote clients

    Database manager configuration release level = 0x0b00

    CPU speed (millisec/instruction) (CPUSPEED) = 2.007463e-07
    Communications bandwidth (MB/sec) (COMM_BANDWIDTH) = 1.000000e+02

    Max number of concurrently active databases (NUMDB) = 8
    Federated Database System Support (FEDERATED) = NO
    Transaction processor monitor name (TP_MON_NAME) =

    Default charge-back account (DFT_ACCOUNT_STR) =

    Java Development Kit installation path (JDK_PATH) = /db2/db2hcp/sqllib/java/jdk64

    Diagnostic error capture level (DIAGLEVEL) = 3
    Notify Level (NOTIFYLEVEL) = 3
    Diagnostic data directory path (DIAGPATH) = /db2/HCP/db2dump

    Default database monitor switches
    Buffer pool (DFT_MON_BUFPOOL) = ON
    Lock (DFT_MON_LOCK) = ON
    Sort (DFT_MON_SORT) = ON
    Statement (DFT_MON_STMT) = ON
    Table (DFT_MON_TABLE) = ON
    Timestamp (DFT_MON_TIMESTAMP) = ON
    Unit of work (DFT_MON_UOW) = ON
    Monitor health of instance and databases (HEALTH_MON) = OFF

    SYSADM group name (SYSADM_GROUP) = DBHCPADM
    SYSCTRL group name (SYSCTRL_GROUP) = DBHCPCTL
    SYSMAINT group name (SYSMAINT_GROUP) = DBHCPMNT
    SYSMON group name (SYSMON_GROUP) =

    Client Userid-Password Plugin (CLNT_PW_PLUGIN) =
    Client Kerberos Plugin (CLNT_KRB_PLUGIN) =
    Group Plugin (GROUP_PLUGIN) =
    GSS Plugin for Local Authorization (LOCAL_GSSPLUGIN) =
    Server Plugin Mode (SRV_PLUGIN_MODE) = UNFENCED
    Server List of GSS Plugins (SRVCON_GSSPLUGIN_LIST) =
    Server Userid-Password Plugin (SRVCON_PW_PLUGIN) =
    Server Connection Authentication (SRVCON_AUTH) = NOT_SPECIFIED
    Database manager authentication (AUTHENTICATION) = SERVER_ENCRYPT
    Cataloging allowed without authority (CATALOG_NOAUTH) = NO
    Trust all clients (TRUST_ALLCLNTS) = YES
    Trusted client authentication (TRUST_CLNTAUTH) = CLIENT
    Bypass federated authentication (FED_NOAUTH) = NO

    Default database path (DFTDBPATH) = /db2/HCP

    Database monitor heap size (4KB) (MON_HEAP_SZ) = 128
    Java Virtual Machine heap size (4KB) (JAVA_HEAP_SZ) = 2048
    Audit buffer size (4KB) (AUDIT_BUF_SZ) = 0
    Size of instance shared memory (4KB) (INSTANCE_MEMORY) = AUTOMATIC
    Backup buffer default size (4KB) (BACKBUFSZ) = 1024
    Restore buffer default size (4KB) (RESTBUFSZ) = 1024

    Sort heap threshold (4KB) (SHEAPTHRES) = 0

    Directory cache support (DIR_CACHE) = NO

    Application support layer heap size (4KB) (ASLHEAPSZ) = 16
    Max requester I/O block size (bytes) (RQRIOBLK) = 65000
    Query heap size (4KB) (QUERY_HEAP_SZ) = 2000

    Workload impact by throttled utilities(UTIL_IMPACT_LIM) = 10

    Priority of agents (AGENTPRI) = SYSTEM
    Max number of existing agents (MAXAGENTS) = 1024
    Agent pool size (NUM_POOLAGENTS) = 10
    Initial number of agents in pool (NUM_INITAGENTS) = 5
    Max number of coordinating agents (MAX_COORDAGENTS) = MAXAGENTS
    Max no. of concurrent coordinating agents (MAXCAGENTS) = MAX_COORDAGENTS
    Max number of client connections (MAX_CONNECTIONS) = MAX_COORDAGENTS

    Keep fenced process (KEEPFENCED) = NO
    Number of pooled fenced processes (FENCED_POOL) = MAX_COORDAGENTS
    Initial number of fenced processes (NUM_INITFENCED) = 0

    Index re-creation time and redo index build (INDEXREC) = RESTART

    Transaction manager database name (TM_DATABASE) = 1ST_CONN
    Transaction resync interval (sec) (RESYNC_INTERVAL) = 180

    SPM name (SPM_NAME) =
    SPM log size (SPM_LOG_FILE_SZ) = 256
    SPM resync agent limit (SPM_MAX_RESYNC) = 20
    SPM log path (SPM_LOG_PATH) =

    TCP/IP Service name (SVCENAME) = sapdb2HCP
    Discovery mode (DISCOVER) = SEARCH
    Discover server instance (DISCOVER_INST) = ENABLE

    Maximum query degree of parallelism (MAX_QUERYDEGREE) = ANY
    Enable intra-partition parallelism (INTRA_PARALLEL) = NO

    Maximum Asynchronous TQs per query (FEDERATED_ASYNC) = 0

    No. of int. communication buffers(4KB)(FCM_NUM_BUFFERS) = AUTOMATIC
    No. of int. communication channels (FCM_NUM_CHANNELS) = AUTOMATIC
    Node connection elapse time (sec) (CONN_ELAPSE) = 10
    Max number of node connection retries (MAX_CONNRETRIES) = 5
    Max time difference between nodes (min) (MAX_TIME_DIFF) = 60

    db2start/db2stop timeout (min) (START_STOP_TIME) = 10

  3. #3
    Join Date
    Mar 2010
    Posts
    6
    hclprdm:db2hcp 52> db2 get db cfg for hcp

    Database Configuration for Database hcp

    Database configuration release level = 0x0b00
    Database release level = 0x0b00

    Database territory = en_US
    Database code page = 1208
    Database code set = UTF-8
    Database country/region code = 1
    Database collating sequence = IDENTITY_16BIT
    Alternate collating sequence (ALT_COLLATE) =
    Database page size = 16384

    Dynamic SQL Query management (DYN_QUERY_MGMT) = DISABLE

    Discovery support for this database (DISCOVER_DB) = ENABLE

    Restrict access = NO
    Default query optimization class (DFT_QUERYOPT) = 5
    Degree of parallelism (DFT_DEGREE) = 1
    Continue upon arithmetic exceptions (DFT_SQLMATHWARN) = NO
    Default refresh age (DFT_REFRESH_AGE) = 0
    Default maintained table types for opt (DFT_MTTB_TYPES) = SYSTEM
    Number of frequent values retained (NUM_FREQVALUES) = 10
    Number of quantiles retained (NUM_QUANTILES) = 20

    Backup pending = NO

    Database is consistent = NO
    Rollforward pending = NO
    Restore pending = NO

    Multi-page file allocation enabled = YES

    Log retain for recovery status = NO
    User exit for logging status = YES

    Self tuning memory (SELF_TUNING_MEM) = ON
    Size of database shared memory (4KB) (DATABASE_MEMORY) = 2746880
    Database memory threshold (DB_MEM_THRESH) = 10
    Max storage for lock list (4KB) (LOCKLIST) = AUTOMATIC
    Percent. of lock lists per application (MAXLOCKS) = AUTOMATIC
    Package cache size (4KB) (PCKCACHESZ) = AUTOMATIC
    Sort heap thres for shared sorts (4KB) (SHEAPTHRES_SHR) = AUTOMATIC
    Sort list heap (4KB) (SORTHEAP) = AUTOMATIC

    Database heap (4KB) (DBHEAP) = 30000
    Catalog cache size (4KB) (CATALOGCACHE_SZ) = 2560
    Log buffer size (4KB) (LOGBUFSZ) = 1024
    Utilities heap size (4KB) (UTIL_HEAP_SZ) = 10000
    Buffer pool size (pages) (BUFFPAGE) = 10000
    Max size of appl. group mem set (4KB) (APPGROUP_MEM_SZ) = 128000
    Percent of mem for appl. group heap (GROUPHEAP_RATIO) = 25
    Max appl. control heap size (4KB) (APP_CTL_HEAP_SZ) = 1600

    SQL statement heap (4KB) (STMTHEAP) = 5120
    Default application heap (4KB) (APPLHEAPSZ) = 4608
    Statistics heap size (4KB) (STAT_HEAP_SZ) = 15000

    Interval for checking deadlock (ms) (DLCHKTIME) = 10000
    Lock timeout (sec) (LOCKTIMEOUT) = 3600

    Changed pages threshold (CHNGPGS_THRESH) = 40
    Number of asynchronous page cleaners (NUM_IOCLEANERS) = AUTOMATIC
    Number of I/O servers (NUM_IOSERVERS) = AUTOMATIC
    Index sort flag (INDEXSORT) = YES
    Sequential detect flag (SEQDETECT) = YES
    Default prefetch size (pages) (DFT_PREFETCH_SZ) = 32

    Track modified pages (TRACKMOD) = ON

    Default number of containers = 1
    Default tablespace extentsize (pages) (DFT_EXTENT_SZ) = 2

    Max number of active applications (MAXAPPLS) = AUTOMATIC
    Average number of active applications (AVG_APPLS) = AUTOMATIC
    Max DB files open per application (MAXFILOP) = 1950

    Log file size (4KB) (LOGFILSIZ) = 16380
    Number of primary log files (LOGPRIMARY) = 20
    Number of secondary log files (LOGSECOND) = 40
    Changed path to log files (NEWLOGPATH) =
    Path to log files = /db2/HCP/log_dir/NODE0000/
    Overflow log path (OVERFLOWLOGPATH) =
    Mirror log path (MIRRORLOGPATH) =
    First active log file = S0000209.LOG
    Block log on disk full (BLK_LOG_DSK_FUL) = YES
    Percent max primary log space by transaction (MAX_LOG) = 0
    Num. of active log files for 1 active UOW(NUM_LOG_SPAN) = 0

    Group commit count (MINCOMMIT) = 1
    Percent log file reclaimed before soft chckpt (SOFTMAX) = 300
    Log retain for recovery enabled (LOGRETAIN) = OFF
    User exit for logging enabled (USEREXIT) = OFF

    HADR database role = STANDARD
    HADR local host name (HADR_LOCAL_HOST) =
    HADR local service name (HADR_LOCAL_SVC) =
    HADR remote host name (HADR_REMOTE_HOST) =
    HADR remote service name (HADR_REMOTE_SVC) =
    HADR instance name of remote server (HADR_REMOTE_INST) =
    HADR timeout value (HADR_TIMEOUT) = 120
    HADR log write synchronization mode (HADR_SYNCMODE) = NEARSYNC

    First log archive method (LOGARCHMETH1) = DISK:/db2/HCP/log_archive/
    Options for logarchmeth1 (LOGARCHOPT1) =
    Second log archive method (LOGARCHMETH2) = OFF
    Options for logarchmeth2 (LOGARCHOPT2) =
    Failover log archive path (FAILARCHPATH) =
    Number of log archive retries on error (NUMARCHRETRY) = 5
    Log archive retry Delay (secs) (ARCHRETRYDELAY) = 20
    Vendor options (VENDOROPT) =

    Auto restart enabled (AUTORESTART) = ON
    Index re-creation time and redo index build (INDEXREC) = SYSTEM (RESTART)
    Log pages during index build (LOGINDEXBUILD) = OFF
    Default number of loadrec sessions (DFT_LOADREC_SES) = 1
    Number of database backups to retain (NUM_DB_BACKUPS) = 12
    Recovery history retention (days) (REC_HIS_RETENTN) = 60

    TSM management class (TSM_MGMTCLASS) =
    TSM node name (TSM_NODENAME) =
    TSM owner (TSM_OWNER) =
    TSM password (TSM_PASSWORD) =

    Automatic maintenance (AUTO_MAINT) = ON
    Automatic database backup (AUTO_DB_BACKUP) = OFF
    Automatic table maintenance (AUTO_TBL_MAINT) = ON
    Automatic runstats (AUTO_RUNSTATS) = ON
    Automatic statistics profiling (AUTO_STATS_PROF) = OFF
    Automatic profile updates (AUTO_PROF_UPD) = OFF
    Automatic reorganization (AUTO_REORG) = OFF

  4. #4
    Join Date
    Mar 2010
    Posts
    6
    Hi Experts

    Any clue on this and how to resolve this ?

  5. #5
    Join Date
    Jun 2003
    Location
    Toronto, Canada
    Posts
    5,516
    Provided Answers: 1
    Did you try the solution I suggested on the other forum?

  6. #6
    Join Date
    Mar 2010
    Posts
    6
    Still not able to resolve the issue

  7. #7
    Join Date
    Aug 2001
    Location
    UK
    Posts
    4,650
    Quote Originally Posted by n_i View Post
    Did you try the solution I suggested on the other forum?
    Linky please.
    Visit the new-look IDUG Website , register to gain access to the excellent content.

  8. #8
    Join Date
    Mar 2010
    Posts
    6
    Hi

    When I am taking backup from Hp data protector using tape I was successful.

    As per the suggestion

    even omnib -db is also successful.

    But when I am trying to access the tape from db2 for online backup getting the error

    hclprdm:db2hcp 54> db2 get dbm cfg | grep BUFSZ
    Backup buffer default size (4KB) (BACKBUFSZ) = 1024
    Restore buffer default size (4KB) (RESTBUFSZ) = 1024

    I am not able to find the default buffer size of the tape drive

    it appears this is a matching issue of buffers of the tapes.

    Any others links or information to resolve this issue ?

  9. #9
    Join Date
    Jun 2003
    Location
    Toronto, Canada
    Posts
    5,516
    Provided Answers: 1

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