Exchange2003备份与灾难恢复.ppt

1、Exchange 2003 Disaster Recovery,xuhuojun FuYu Moulding & Tooling(Dongguan)co.,Ltd ,Agenda:,Plan 1：Active Directory,Plan 2：Exchange Database,Plan 3：Exchange Server Serious troubleshooting,Plan 4：Exchange Backup and Restore,Plan 1: Active Directory,Exchange & AD,Exchange Server,User01 mailbox,User02 m

2、ailbox,User03 mailbox,Exchange Database,DC,User01,User02,User03,AD Database,Exchange Server,DC,AD Database,Database: Ntde.dit,Transaction Log: Edbxxxxxx.log,Check point: Edb.chk,Reserve Log : Res1.log , Res2.log,AD Backup,System state data:,System boot file,Local Registration table,Com+ Class librar

3、ies Registration table information,SYSVOL Contents,Question that should be considered while backing up :,System state, System disk contents, SYSVOL folder,Backup file Validity: 60 days,Backup data form a DC Can only be used to restore that DC,Disaster Recovery Plan 1：DC (AD),DC backup plan Restore D

4、C Event Log,DC &Exchange,Plan 2: Exchange 2003 Database,Exchange DB structure,Storage Groups,Check File,memory,User Mail access,Exchange Server,E0000001.log,E0000002.log,E0000003.log,E0000004.log,E0000005.log,E0000006.log,E0000007.log,E0000008.log,E0000009.log,E000000A.log,E0000001.log already writt

5、en into DB,E00.log,E0000001.log,E0000002.log,E0000003.log,E0000004.log,E0000005.log,E0000006.log,E0000007.log,E0000008.log,E0000009.log,E000000A.log,Transaction Log in Memory,Transaction Log in HD,*.edb *.stm,*.log,*.chk,Exchange DB structure,Eseutil ：C:Program FilesExchsrvrBin Database：*.edb & *.st

6、m Eseutil /mh DatabaseFile | find /i “Shutdown” Eseutil /mh DatabaseFile | find /i “DB Signature” Eseutil /mh DatabaseFile | find /i “Consistent”,Check point：*.chk Eseutil /mk ChkFile | find /i “Checkpoint”,Transaction Log：E0*.log Eseutil /ml LogFile | find /i “LGeneration”,Relation between members

7、Exchange DB,Step 1：Eseutil /p Repair entity error,Step 2：Eseutil /D Rebuild index,Step 3：Isinteg s ServerName fix test alltests Repair logic error,Restore Storage Groups,Continue normal movements,Restore and repair DB,Exchange Work,Exmerge.exe,Exchange Information And Store Folder,Registration table

8、 and IIS metabase,System State Backup,ADs user data,Users , Groups and Contacts. Replicated to GCs Most Exchange Information placed on existing object are replicated between Global,Exchange configuration information in AD,Exchange System Object Public Folder Directory entries Active Directory Connec

9、tor (ADC) settings,Storage Groups,STORE,LOG,EDB,STM,LOG,LOG,EDB,STM,ESE Instance,Storage Group 1,LOG,EDB,STM,LOG,LOG,EDB,STM,ESE Instance,Storage Group 2,EDB,STM,Every storage group shares a group of transactions log Every Storage Group Run a JET/ESE instance in store.exe. Every Storage Group most s

10、upport 5 databases Every Exchange 2003 Server Most support 4 storage groups,Storage Groups,Property Store (EDB),Folder and letter content tabulation including users mailbox. MAPI message and accessory,Streaming Store (STM),Streaming Store is named again Native Content Store“ Property Store and Strea

11、ming Store,IMAP4/POP3 use Streaming database Outlook Client use Property database,If is the message that is received through Internet: The file is left in “native content store(streaming store)” directly,+,Uncommited Entries in Transaction Logs (*.Log),=,.edb file .stm file (Database),CURRENT,Transa

12、ction Log (.log) Files,Whats the current database ?,Patch files (*.pat),Patch files (.pat files) are created when doing an online backup of the Exchange databases.,Committed,Uncommitted,.edb File,.pat File,Exchange Backup Process,Backup Complete,Backup tells store Backup will begin Type of backup,St

13、ore informs ESE and backup mode entered PAT File created for each database to backup,Agent request DB pages sequentially Pages are check-summed as read Page splits written to PAT,Page read completed Logs copied to tape PAT files copied to tape Logs Deleted Backup set closed,Normal with Complete Back

14、up,Normal with Differential Backup,Normal with Incremental Backup,Data capture for Restore,Normal with Complete Backup,100 GB,S M T W Th F Sa,100 GB,S M T W Th F Sa,10 GB,Normal with Differential Backup,100 GB,S M T W Th F Sa,10 GB,Normal with Incremental Backup,Backup ExchangeUse ESE,Backup File,E0

15、00000B.log,Check File,E00.log,E0000001.log,E0000002.log,E0000003.log,E0000004.log,E0000005.log,E0000006.log,E0000007.log,E0000008.log,E0000009.log,E000000A.log,E0000004.log already written into DB,1. The mail continues writing transaction log into memory and disk. Transaction Log writes into DB too

16、.,2.Check file to lock in the record that is backed up ago,4. DB duplicates to and backs up the file.,E0000003.log,3. Record in the head of DB file one log Duplicate to and back up the file,5. E00.log Change its sign of record,6. Checking file locks LOG file to the last LOG file and duplicate to and

17、 back up the file.,7 .Delete that already written into DB Log file.,Start Backup (Full Backup),8. Remove and check the file, and will back up time and type marks.,Backup ExchangeUse ESE,Backup ExchangeUse VSS,Backup File,E000000B.log,E00.log,E0000005.log,E0000006.log,E0000007.log,E0000008.log,E00000

18、09.log,E000000A.log,3. Begin mail deposit continuously back up, Transaction log thereupon increase,2. The file chosen is duplicated to and backs up the file,Backup ExchangeUse VSS,Veritas Backup Method,Exchange Restore,Backup Complete,Backup application or administrator dismounts database,Store informs ESE and mode entered Restore SG created,Agent copies EDB/STM from Tape to DB path Lo