Many IX and S locks found
Hi Chris
There are so many IX and S locks when i run ttxactadmin as below, and there are error 6003 in the tterrors.log. I am not sure how it comes and how i can do to avoid so many locks (IX,S), as the locks seem to lead to the poor performance.
Regards
Li
[timesten@policies info]$ ttxactadmin tt_1122
2014-06-10 19:39:59.124
/opt/TimesTen/tt1122/info/TT_1122
TimesTen Release 11.2.2.6.0
Outstanding locks
PID Context TransID TransStatus Resource ResourceID Mode SqlCmdID Name
Program File Name: ttcserver
Client: zhanglei01 (192.168.3.97) PID: 652 ConnId: 3
13193 0x122141e0 3.6218256 Active Database 0x01312d0001312d00 IX 0
Command 63070070280 S 63070070280
Command 63070088488 S 63070088488
Program File Name: java
22898 0x2abb70744190 68.192079 Active Database 0x01312d0001312d00 IX 0
Command 63135962640 S 63135962640
0x2abb740a8fd0 26.332773 Active Database 0x01312d0001312d00 IX 0
Command 63135962640 S 63135962640
Program File Name: java
27257 0x1ee88010 28.61798 Active Database 0x01312d0001312d00 IX 0
0x1efabdc0 14.135708 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x1f234d60 20.212847 Active Database 0x01312d0001312d00 IX 0
0x1f3c4d20 69.61019 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x1f42bb50 61.55575 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x1f520090 18.144761 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x1f75fd50 40.54027 Active Database 0x01312d0001312d00 IX 0
0x1f802700 32.60926 Active Database 0x01312d0001312d00 IX 0
0x1f96ee00 13.133386 Active Database 0x01312d0001312d00 IX 0
0x1fa97510 23.66043 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x1fab74a0 15.263987 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x1fb13ee0 62.58715 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x1fbe70b0 22.54699 Active Database 0x01312d0001312d00 IX 0
0x1fd67b80 70.58108 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x1fe5a1e0 108.19195 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x20569c50 83.48231 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x206c74d0 88.44535 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x20795c60 94.135147 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2aaab80fbfe0 82.51766 Active Database 0x01312d0001312d00 IX 0
0x2aaab8198070 39.66183 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2aaac85cb210 4.4862402 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2aaac8a79070 5.4231353 Active Database 0x01312d0001312d00 IX 0
0x2aaac8ade2b0 6.2251763 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2aaac8b4f630 7.1958134 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2aaac8bd1360 8.2970264 Active Database 0x01312d0001312d00 IX 0
0x2aaac8c53090 9.948962 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2aaac8cd4dc0 10.4442556 Active Database 0x01312d0001312d00 IX 0
0x2aaac8d56af0 11.3089531 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2aaac8dd8820 12.3377348 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb7001aca0 16.1092282 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb700983f0 17.216793 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2abb700fd630 19.546665 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb701dd740 27.62472 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2abb70287980 54.131520 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb703267b0 100.161812 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb703a0ce0 114.18564 Active Database 0x01312d0001312d00 IX 0
0x2abb780393a0 29.61830 Active Database 0x01312d0001312d00 IX 0
0x2abb7807f6b0 33.69272 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2abb7811cd40 46.59031 Active Database 0x01312d0001312d00 IX 0
0x2abb78131930 47.57511 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb781e5d40 86.49723 Active Database 0x01312d0001312d00 IX 0
0x2abb782149f0 37.60371 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb782be9e0 106.16739 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb7c0dd800 34.59934 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2abb7c1717b0 43.58632 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb7c1b69d0 50.48246 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb7c2c7290 99.77142 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb800f7ce0 42.58233 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb8014ca40 49.45579 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2abb801ef220 55.53388 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb802db740 101.205712 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb84016810 30.59694 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2abb8403ba10 31.61627 Active Database 0x01312d0001312d00 IX 0
0x2abb840a7710 35.49096 Active Database 0x01312d0001312d00 IX 0
Command 63078042632 S 63078042632
0x2abb84171bd0 41.62948 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb841c9480 45.62825 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb8428d650 48.59628 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb843a5730 76.60185 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb843d2c10 80.47384 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb844890e0 95.158977 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb844ebcb0 113.17537 Active Database 0x01312d0001312d00 IX 0
0x2abb88069430 36.68769 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb880e7110 38.55534 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb88183df0 44.54232 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb8820d230 53.29378 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb88261e60 51.59713 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb882b6a90 52.60489 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb882fb6b0 56.59902 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb8835e750 64.56058 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb883f4b80 72.56333 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb884b2090 98.70919 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
0x2abb885172d0 102.88736 Active Database 0x01312d0001312d00 IX 0
Command 62926043208 S 62926043208
[timesten@policies logs]$ tail -50 tterrors.log
18:56:23.96 Warn: : 3644: 3648/0x41bae200: sbOLUndoByConn: oplog stack for connid 21 (java) pid 23180: <none>
18:56:23.96 Warn: : 3644: 3648/0x444a9200: sbOLUndoByConn: oplog stack for connid 130 (java) pid 23180: <none>
18:56:23.96 Warn: : 3644: 3648/0x46acf200: sbOLUndoByConn: oplog stack for connid 172 (java) pid 23180: <none>
18:56:23.96 Warn: : 3644: 3648/0x44cb1200: sbOLUndoByConn: oplog stack for connid 140 (java) pid 23180: <none>
18:56:23.96 Warn: : 3644: 3648/0x44db2200: sbOLUndoByConn: oplog stack for connid 141 (java) pid 23180: <none>
18:56:23.96 Warn: : 3644: 3648/0x44eb3200: sbOLUndoByConn: oplog stack for connid 142 (java) pid 23180: <none>
18:56:23.96 Warn: : 3644: 3648/0x4359a200: sbOLUndoByConn: oplog stack for connid 111 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x446ab200: sbOLUndoByConn: oplog stack for connid 133 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x452b7200: sbOLUndoByConn: oplog stack for connid 146 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x44fb4200: sbOLUndoByConn: oplog stack for connid 143 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x42287200: sbOLUndoByConn: oplog stack for connid 14 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x453b8200: sbOLUndoByConn: oplog stack for connid 147 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x455ba200: sbOLUndoByConn: oplog stack for connid 149 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x454b9200: sbOLUndoByConn: oplog stack for connid 148 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x456bb200: sbOLUndoByConn: oplog stack for connid 150 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x458bd200: sbOLUndoByConn: oplog stack for connid 152 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x459be200: sbOLUndoByConn: oplog stack for connid 153 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x45bc0200: sbOLUndoByConn: oplog stack for connid 155 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x45abf200: sbOLUndoByConn: oplog stack for connid 154 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x460c5200: sbOLUndoByConn: oplog stack for connid 161 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x463c8200: sbOLUndoByConn: oplog stack for connid 164 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x472d7200: sbOLUndoByConn: oplog stack for connid 181 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x464c9200: sbOLUndoByConn: oplog stack for connid 165 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x462c7200: sbOLUndoByConn: oplog stack for connid 163 (java) pid 23180: <none>
18:56:23.97 Warn: : 3644: 3648/0x4288d200: sbOLUndoByConn: oplog stack for connid 96 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x461c6200: sbOLUndoByConn: oplog stack for connid 162 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x45dc2200: sbOLUndoByConn: oplog stack for connid 157 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x45fc4200: sbOLUndoByConn: oplog stack for connid 160 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x467cc200: sbOLUndoByConn: oplog stack for connid 169 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x442a7200: sbOLUndoByConn: oplog stack for connid 128 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x468cd200: sbOLUndoByConn: oplog stack for connid 170 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x44aaf200: sbOLUndoByConn: oplog stack for connid 138 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x44bb0200: sbOLUndoByConn: oplog stack for connid 139 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x447ac200: sbOLUndoByConn: oplog stack for connid 134 (java) pid 23180: <none>
18:56:23.98 Warn: : 3644: 3648/0x46cd1200: sbOLUndoByConn: oplog stack for connid 174 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x46ed3200: sbOLUndoByConn: oplog stack for connid 177 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x46fd4200: sbOLUndoByConn: oplog stack for connid 178 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x46dd2200: sbOLUndoByConn: oplog stack for connid 175 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x46bd0200: sbOLUndoByConn: oplog stack for connid 173 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x470d5200: sbOLUndoByConn: oplog stack for connid 179 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x471d6200: sbOLUndoByConn: oplog stack for connid 180 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x40573250: sbOLUndoByConn: oplog stack for connid 186 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x476db200: sbOLUndoByConn: oplog stack for connid 185 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x475da200: sbOLUndoByConn: oplog stack for connid 184 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x473d8200: sbOLUndoByConn: oplog stack for connid 182 (java) pid 23180: <none>
18:56:23.99 Warn: : 3644: 3648/0x474d9200: sbOLUndoByConn: oplog stack for connid 183 (java) pid 23180: <none>
18:56:24.00 Warn: : 3644: 3648/0x45ec3200: sbOLUndoByConn: oplog stack for connid 158 (java) pid 23180: <none>
19:06:41.64 Warn: : 3644: 3718/0x1570ca20: sbLogBufGCLockENQNoErr: The commit is performed without the benefit of group commit optimization (error 6003)
19:15:41.69 Warn: : 3644: 3718/0x1570ca20: sbLogBufGCLockENQNoErr: The commit is performed without the benefit of group commit optimization (error 6003)
19:32:41.67 Warn: : 3644: 3718/0x1570ca20: sbLogBufGCLockENQNoErr: The commit is performed without the benefit of group commit optimization (error 6003)
Hi Chris
Thanks for your kind reply! It is very helpful to look into the problems and find some better resolutions.
I simply kill the PID associated to LOCKS, I cann't but have to kill the PID accossiated to the lock cause they really degrade the performance.
"When you get a 6003 lock timeout error in the application, the associated error text contains a great deal of information; what is the error text for the errors that you are seeing? That should help you determine where the real lock contention lies. If your application does not report/log that text then it needs to do so..."
---you mean the error text in the JAVA application or in TT?
Here is the TT configuration, most of attributes are set by default.
[timesten@policies info]$ cat sys.odbc.ini
[ODBC Data Sources]
TT_1122=TimesTen 11.2.2 Driver
[TT_1122]
Driver=/opt/TimesTen/tt1122/lib/libtten.so
DataStore=/opt/TimesTen/tt1122/info/TT_1122
DatabaseCharacterSet=ZHS16GBK
ConnectionCharacterSet=ZHS16GBK
PermSize=60000
TempSize=8000
OracleNetServiceName=vedb
Connections=300
[ODBC Data Sources]
tt_1122_c=TimesTen 11.2.2 Client Driver
[tt_1122_c]
TTC_SERVER=tt_1122_c_s
TTC_SERVER_DSN=tt_1122
[timesten@policies info]$ ttisql "dsn=tt_1122;uid=cacheuser;pwd=timesten;oraclepwd=oracle";
Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
Type ? or "help" for help, type "exit" to quit ttIsql.
connect "dsn=tt_1122;uid=cacheuser;pwd=timesten;oraclepwd=oracle";
Connection successful: DSN=TT_1122;UID=cacheuser;DataStore=/opt/TimesTen/tt1122/info/TT_1122;DatabaseCharacterSet=ZHS16GBK;ConnectionCharacterSet=ZHS16GBK;DRIVER=/opt/TimesTen/tt1122/lib/libtten.so;PermSize=60000;TempSize=8000;Connections=300;TypeMode=0;OracleNetServiceName=vedb;
(Default setting AutoCommit=1)
Command> call ttConfiguration;
< CacheAwtMethod, 1 >
< CacheAwtParallelism, 1 >
< CacheGridEnable, 1 >
< CacheGridMsgWait, 60 >
< CkptFrequency, 600 >
< CkptLogVolume, 0 >
< CkptRate, 0 >
< CommitBufferSizeMax, 0 >
< ConnectionCharacterSet, ZHS16GBK >
< ConnectionName, tt_1122 >
< Connections, 300 >
< DDLCommitBehavior, 0 >
< DDLReplicationAction, INCLUDE >
< DDLReplicationLevel, 2 >
< DataBaseCharacterSet, ZHS16GBK >
< DataStore, /opt/TimesTen/tt1122/info/TT_1122 >
< DynamicLoadEnable, 1 >
< DuplicateBindMode, 0 >
< DurableCommits, 0 >
< DynamicLoadErrorMode, 0 >
< Isolation, 1 >
< RangeIndexType, 1 >
< LockLevel, 0 >
< LockWait, 10 >
< LogAutoTruncate, 1 >
< LogBufMB, 64 >
< LogBufParallelism, 4 >
< LogDir, /opt/TimesTen/tt1122/info/ >
< LogFileSize, 64 >
< LogFlushMethod, 1 >
< LogPurge, 1 >
< Logging, 1 >
< MemoryLock, 0 >
< NLS_LENGTH_SEMANTICS, BYTE >
< NLS_NCHAR_CONV_EXCP, 0 >
< NLS_SORT, BINARY >
< OracleNetServiceName, vedb >
< PLSCOPE_SETTINGS, IDENTIFIERS:NONE >
< PLSQL, 1 >
< PLSQL_CCFLAGS, <NULL> >
< PLSQL_CODE_TYPE, INTERPRETED >
< PLSQL_CONN_MEM_LIMIT, 100 >
< PLSQL_MEMORY_ADDRESS, 0x0000007fa0000000 >
< PLSQL_MEMORY_SIZE, 32 >
< PLSQL_OPTIMIZE_LEVEL, 2 >
< PLSQL_TIMEOUT, 30 >
< PassThrough, 0 >
< PermSize, 60000 >
< PermWarnThreshold, 90 >
< Preallocate, 0 >
< PrivateCommands, 0 >
< QueryThreshold, 0 >
< RACCallback, 1 >
< ReceiverThreads, 1 >
< RecoveryThreads, 1 >
< ReplicationApplyOrdering, 0 >
< ReplicationParallelism, 1 >
< ReplicationParallelismBufferMB, 64 >
< ReplicationTrack, -1 >
< SQLQueryTimeout, 0 >
< TempSize, 8000 >
< TempWarnThreshold, 90 >
< Temporary, 0 >
< TypeMode, 0 >
< UID, CACHEUSER >
65 rows found.
Command>
Regards
Li
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Connect the iPod to yur syncing computer and restore the iPod via iTunes.. If it asks for the passcode and you can't enter it, place the iPod in recovery mode and then restore the iPod. For recovery mode see:
iPhone and iPod touch: Unable to update or restore -
i have entered the wong password on mi iPad 2 too many times and it says disabled connect to iTunes so when i plug it into the computer , iTunes says pad locked cannot sync until you unlock the iPad but i don't remember the password nor can i put it in
You have to restore the device within iTunes. You want to use the same computer that you always sync with so that you can restore your app data and settings. You can restore with any other computer, but you will lose everything on the iPad.
iOS: Wrong passcode results in red disabled screen
This will tell you how to restore
iTunes: Backing up, updating or restoring iOS software
If you cannot restore that way, you may have to use recovery mode
iPad: Unable to update or restore -
I found a Jailbroken Ipod 4th Generation and its locked what do i do to setup default?
I found a Jailbroken Ipod 4th Generation and its locked what do i do to setup default?
You may be in possession of stolen property.
Take the phone to an AT&T store and report that you found it.
If anyone tries to register it, even with a current AT&T account, that they will not be able to since the account info is basically tied with the iphone Serial #, and IMEI #s. -
my kids enetered the wrong unlock code on my ipod touch too many times and now the screen says IPOD DISABLED connect to itunes. I have tried connecting it to itunes and I cant because the ipod is locked. need help please! any ideas? Thanks, Nick
Place the iOS device in Recovery Mode and then connect to your computer and restore via iTunes. The iPod will be erased.
iOS: Wrong passcode results in red disabled screen
If recovery mode does not work try DFU mode.
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings -
i enter too many times a wrong pasword and it lock for 23,465,444 minutes and i try to reset but its not hapening
Locked Out, Forgot Lock or Restrictions Passcode, or Need to Restore Your Device: Several Alternative Solutions
A
1. iOS- Forgotten passcode or device disabled after entering wrong passcode
2. iPhone, iPad, iPod touch: Wrong passcode results in red disabled screen
3. Restoring iPod touch after forgotten passcode
4. What to Do If You've Forgotten Your iPhone's Passcode
5. iOS- Understanding passcodes
6. iTunes 10 for Mac- Update and restore software on iPod, iPhone, or iPad
7. iOS - Unable to update or restore
Forgotten Restrictions Passcode Help
iPad,iPod,iPod Touch Recovery Mode
You will need to restore your device as New to remove a Restrictions passcode. Go through the normal process to restore your device, but when you see the options to restore as New or from a backup, be sure to choose New.
You can restore from a backup if you have one from BEFORE you set the restrictions passcode.
Also, see iTunes- Restoring iOS software. -
My little sister typed my password too many times and disabled my phone. now i am locked out of it. how can i get back in?
You will need to restore your iPhone from the same computer that you most recently synced to.
Read this: http://support.apple.com/kb/ht1212
If you can't do the restore then you will need to try recovery mode.
Read this: http://support.apple.com/kb/ht4097
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