CommVault 针对DB2增量备份恢复测试记录.docx

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CommVault 针对DB2增量备份恢复测试记录.docx

CommVault针对DB2增量备份恢复测试记录

DB2增量备份恢复测试纪录

朱晓凯

2013年9月30日

一、环境介绍

●备份服务器:

IP地址:

192.168.1.3

主机名:

cs

操作系统:

windows2008X64

CommVault版本:

Simpana9.0SP10b

●介质服务器:

IP地址:

192.168.1.3

主机名:

cs

操作系统:

windows2008X64

CommVault版本:

Simpana9.0SP10b

●测试服务器:

IP地址:

192.168.1.21

主机名:

linux-tesu

操作系统:

redhat5.4

数据库:

DB29.7.0.1

CommVault版本:

Simpana9.0SP10

二、数据环境准备及备份纪录

2.1、第一次全备份份时的数据

1、新建表tb100

db2"createtablet100(col1char(100),colchar(100))"

db2"beginatomicdeclareiintdefault0;

while(i<10000)doinsertintot100values('知行合一'||char(i),'王守仁'||char(i));

seti=i+1;endwhile;end"

[db2inst1@db2-2~]$

2、查看表纪录

[db2inst1@linux-tesuC0000002]$db2listtables;

Table/ViewSchemaTypeCreationtime

-----------------------------------------------------------------------------

MYTABDB2INST1T2013-01-10-19.19.06.148500

T100DB2INST1T2013-09-29-17.40.29.579708

T11DB2INST1T2013-02-16-14.20.04.642974

T12DB2INST1T2013-02-16-14.20.52.366899

TB1DB2INST1T2013-01-06-11.09.38.101713

TESTDB2INST1T2013-01-05-13.18.56.672707

3、采用CommVault进行备份

2.2、第一次增量备份

1、插入表tb200

db2"createtablet200(col1char(100),colchar(100))"

db2"beginatomicdeclareiintdefault0;

while(i<10000)doinsertintot200values('知行合一'||char(i),'王守仁'||char(i));

seti=i+1;endwhile;end"

2、查看表纪录

[db2inst1@linux-tesuC0000002]$db2listtables;

Table/ViewSchemaTypeCreationtime

-----------------------------------------------------------------------------

MYTABDB2INST1T2013-01-10-19.19.06.148500

T100DB2INST1T2013-09-29-17.40.29.579708

T11DB2INST1T2013-02-16-14.20.04.642974

T12DB2INST1T2013-02-16-14.20.52.366899

T200DB2INST1T2013-09-29-17.44.42.100103

TB1DB2INST1T2013-01-06-11.09.38.101713

TESTDB2INST1T2013-01-05-13.18.56.672707

7record(s)selected.

3、采用CommVault进行备份:

2.3、第二次增量备份

1、插入表tb300

db2"createtablet300(col1char(100),colchar(100))"

db2"beginatomicdeclareiintdefault0;

while(i<10000)doinsertintot300values('知行合一'||char(i),'王守仁'||char(i));

seti=i+1;endwhile;end"

2、查看表纪录

[db2inst1@linux-tesuC0000002]$db2listtables;

Table/ViewSchemaTypeCreationtime

-----------------------------------------------------------------------------

MYTABDB2INST1T2013-01-10-19.19.06.148500

T100DB2INST1T2013-09-29-17.40.29.579708

T11DB2INST1T2013-02-16-14.20.04.642974

T12DB2INST1T2013-02-16-14.20.52.366899

T200DB2INST1T2013-09-29-17.44.42.100103

T300DB2INST1T2013-09-29-17.49.43.269689

TB1DB2INST1T2013-01-06-11.09.38.101713

TESTDB2INST1T2013-01-05-13.18.56.672707

8record(s)selected.

3、采用CommVault进行备份

2.4、第二次全全备份

1、插入表tb400

db2"createtablet400(col1char(100),colchar(100))"

db2"beginatomicdeclareiintdefault0;

while(i<10000)doinsertintot400values('知行合一'||char(i),'王守仁'||char(i));

seti=i+1;endwhile;end"

2、查看表纪录

[db2inst1@linux-tesuC0000002]$db2listtables;

Table/ViewSchemaTypeCreationtime

-----------------------------------------------------------------------------

MYTABDB2INST1T2013-01-10-19.19.06.148500

T100DB2INST1T2013-09-29-17.40.29.579708

T11DB2INST1T2013-02-16-14.20.04.642974

T12DB2INST1T2013-02-16-14.20.52.366899

T200DB2INST1T2013-09-29-17.44.42.100103

T300DB2INST1T2013-09-29-17.49.43.269689

T400DB2INST1T2013-09-29-17.56.38.437426

TB1DB2INST1T2013-01-06-11.09.38.101713

TESTDB2INST1T2013-01-05-13.18.56.672707

9record(s)selected.

3、采用CommVault进行全备份

三、数据库损坏模拟

删除库mydb

1、停止数据库

[db2inst1@db2-2~]$db2stopforce;

SQL1064NDB2STOPprocessingwassuccessful.

[db2inst1@db2-2~]$db2start

SQL1063NDB2STARTprocessingwassuccessful.

2、删除myddb数据库

[db2inst1@db2-2~]$db2dropdbmydb;

DB20000ITheDROPDATABASEcommandcompletedsuccessfully.

四、数据恢复

4.1、恢复到第二次新增量备份时的数据

4.1.1、恢复数据文件

1、首先需要创建一个新的数据库

[db2inst1@linux-tesuC0000002]$db2createdbmydb

DB20000ITheCREATEDATABASEcommandcompletedsuccessfully.

[db2inst1@linux-tesuC0000002]$

2、修改CommVault参数

[db2inst1@linux-tesuC0000002]$db2updatedbcfgformydbusingVENDOROPT'"CvSrcClientName=linux-tesu,CvSrcDb2InstanceName=db2inst1,CvClientName=linux-tesu,CvInstanceName=Instance001"'

DB20000ITheUPDATEDATABASECONFIGURATIONcommandcompletedsuccessfully.

注:

如果不创建数据库,不修改参数,只能进行全备份的恢复,不能进行增量+全备份的恢复

即把数据直接恢复到第二个增量备份

3、取消勾选“恢复DB”

3、设置恢复参数,选择需要恢复的映像

注:

这里需要把最新的增量备份和与之对应的全备份进行选择。

4、设置恢复的目标计算机,这里是本机恢复选择默认即可

5、点击高级选项,在前滚选项中,取消勾选“前滚”,并勾选“保持前滚未决状态”

6、在日志文件中,取消勾选“恢复日志文件”

注:

这里先不恢复日志,下面单独进行日志的恢复

7、设置完成后,点击“OK”,开始恢复

4.1.2、恢复日志文件

1、查看第一个活动日志

[db2inst1@linux-tesuC0000002]$db2getdbcfgformydb|grep-ilog

Logretainforrecoverystatus=RECOVERY

Userexitforloggingstatus=YES

Catalogcachesize(4KB)(CATALOGCACHE_SZ)=203

Logbuffersize(4KB)(LOGBUFSZ)=256

Logfilesize(4KB)(LOGFILSIZ)=1024

Numberofprimarylogfiles(LOGPRIMARY)=13

Numberofsecondarylogfiles(LOGSECOND)=4

Changedpathtologfiles(NEWLOGPATH)=

Pathtologfiles=/log/cv/db2_arch/db2inst1/MYDB/NODE0000/C0000001/

Overflowlogpath(OVERFLOWLOGPATH)=

Mirrorlogpath(MIRRORLOGPATH)=

Firstactivelogfile=S0000145.LOG

Blocklogondiskfull(BLK_LOG_DSK_FUL)=NO

Blocknonloggedoperations(BLOCKNONLOGGED)=NO

Percentmaxprimarylogspacebytransaction(MAX_LOG)=0

Num.ofactivelogfilesfor1activeUOW(NUM_LOG_SPAN)=0

Percentlogfilereclaimedbeforesoftchckpt(SOFTMAX)=520

Logretainforrecoveryenabled(LOGRETAIN)=RECOVERY

Userexitforloggingenabled(USEREXIT)=OFF

HADRlogwritesynchronizationmode(HADR_SYNCMODE)=NEARSYNC

Firstlogarchivemethod(LOGARCHMETH1)=VENDOR:

/opt/simpana/Base/libDb2Sbt.so

Optionsforlogarchmeth1(LOGARCHOPT1)=CvClientName=linux-tesu,CvInstanceName=Instance001

Secondlogarchivemethod(LOGARCHMETH2)=OFF

Optionsforlogarchmeth2(LOGARCHOPT2)=

Failoverlogarchivepath(FAILARCHPATH)=

Numberoflogarchiveretriesonerror(NUMARCHRETRY)=5

LogarchiveretryDelay(secs)(ARCHRETRYDELAY)=20

Logpagesduringindexbuild(LOGINDEXBUILD)=OFF

2、取消勾选“恢复DB”

3、在常规选项中,取消“恢复数据”

4、点击高级选项,在前滚选项卡中,取消勾选“前滚”,并勾选“保持前滚未决状态”。

5、在日志文中,设置按日志序列号,进行恢复

6、设置完成后,点击“OK”开始恢复

7、查看恢复出来的日志

[db2inst1@linux-tesuC0000004]$ls

S0000147.LOG

[db2inst1@linux-tesuC0000004]$pwd

/log/cv/db2_ret/db2inst1/MYDB/NODE0000/C0000004

4.1.3、前滚数据库

1、利用归档日志文件进行数据库的前滚

[db2inst1@linux-tesuC0000002]$db2"rollforwarddbmydbtoendoflogsandstopoverflowlogpath(/log/cv/db2_ret/db2inst1/MYDB/NODE0000/C0000004)"

RollforwardStatus

Inputdatabasealias=mydb

Numberofnodeshavereturnedstatus=1

Nodenumber=0

Rollforwardstatus=notpending

Nextlogfiletoberead=

Logfilesprocessed=S0000147.LOG-S0000151.LOG

Lastcommittedtransaction=2013-09-29-10.00.42.000000UTC

DB20000ITheROLLFORWARDcommandcompletedsuccessfully.

2、连接数据库

[db2inst1@linux-tesuC0000004]$db2connecttomydb;

DatabaseConnectionInformation

Databaseserver=DB2/LINUX9.7.1

SQLauthorizationID=DB2INST1

Localdatabasealias=MYDB

3、查看表纪录

[db2inst1@linux-tesuC0000004]$db2listtables;

Table/ViewSchemaTypeCreationtime

-----------------------------------------------------------------------------

MYTABDB2INST1T2013-01-10-19.19.06.148500

T100DB2INST1T2013-09-29-17.40.29.579708

T11DB2INST1T2013-02-16-14.20.04.642974

T12DB2INST1T2013-02-16-14.20.52.366899

T200DB2INST1T2013-09-29-17.44.42.100103

T300DB2INST1T2013-09-29-17.49.43.269689

T400DB2INST1T2013-09-29-17.56.38.437426

TB1DB2INST1T2013-01-06-11.09.38.101713

TESTDB2INST1T2013-01-05-13.18.56.672707

注:

可以看到,数据恢复到第二次全备份的状态,因为我们是按日志滚的,最后一个日志是同样是第二次全备份时的数据。

4.2、恢复到第一次增量备份时的数据

前面的恢复步骤相同

这一次采用按时间点恢复

1、利用日志进行数据库前滚

db2"rollforwarddbmydbto2013-09-29-17.44.42.100103usinglocaltime"

[db2inst1@linux-tesuC0000004]$db2"rollforwarddbmydbto2013-09-29-17.44.42.100103usinglocaltime"

SQL1275NThestoptimepassedtoroll-forwardmustbegreaterthanorequalto

"2013-09-29-17.45.49.000000Local",becausedatabase"MYDB"onnode(s)"0"

containsinformationlaterthanthespecifiedtime.

[db2inst1@linux-tesuC0000004]$db2"rollforwarddbmydbto2013-09-29-17.45.49.000000usinglocaltime"

RollforwardStatus

Inputdatabasealias=mydb

Numberofnodeshavereturnedstatus=1

Nodenumber=0

Rollforwardstatus=DBworking

Nextlogfiletoberead=S0000147.LOG

Logfilesprocessed=S0000145.LOG-S0000146.LOG

Lastcommittedtransaction=2013-09-29-17.45.49.000000Local

DB20000ITheROLLFORWARDcommandcompletedsuccessfully.

[db2inst1@linux-tesuC0000004]$

2、连接数据库

[db2inst1@linux-tesuC0000004]$db2connecttomydb;

SQL1117NAconnectiontooractivationofdatabase"MYDB"cannotbemade

becauseofROLL-FORWARDPENDING.SQLSTATE=57019

[db2inst1@linux-tesuC0000004]$db2connecttomydb;

SQL1117NAconnectiontooractivationofdatabase"MYDB"cannotbemade

becauseofROLL-FORWARDPENDING.SQLSTATE=57019

注:

因为我们还没有结束日志前滚状态,我们需要结束日志前滚状态,才能正常连接数据库。

3、结束日志前滚状态

[db2inst1@linux-tesuC0000004]$db2"rollforwarddbmydbstop"

RollforwardStatus

Inputdatabasealias=mydb

Numberofnodeshavereturnedstatus=1

Nodenumber=0

Rollforwardstatus=notpending

Nextlogfiletoberead=

Logfilesprocessed=S0000145.LOG-S0000147.LOG

Lastcommittedtransaction=2013-09-29-17.45.49.000000Local

DB20000ITheROLLFORWARDcommandcompletedsuccessfully.

4、再次连接数据库

[db2inst1@linux-tesuC0000004]$db2connecttomydb;

DatabaseConnectionInformation

Databaseserver=DB2/LINUX9.7.1

SQLauthorizationID=DB2INST1

Localdatabasealias=MYDB

[db2inst1@linux-tesuC0000004]$db2listtables;

Table/ViewSchemaTypeCreationtime

-----------------------------------------------------------------------------

MYTABDB2INST1T2013-01

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