DB를 COLD BACKUP(FULL BACKUP) 받는 방법

제품 : ORACLE SERVER
작성날짜 : 1995-11-21
데이타베이스를 COLD BACKUP 받는 방법
==================================
콜드 백업은 데이타베이스가 정상적으로 SHUTDOWN 된 상태에서 데이타 화일,
로그 화일, 콘트롤 화일을 모두 백업받는 것을 말한다. SHUTDOWN 하지 않고
OPEN 된 상태에서 백업을 받으면 백업받은 내용을 나중에 사용할 수가 없으므로
유의해야 한다.
콜드 백업을 위해서 데이타베이스를 SHUTDOWN 할 때에는 NORMAL, IMMEDIATE
옵션을 사용해야 하며 ABORT 를 사용해서는 안 된다. ABORT 를 사용한
경우에는 SHUTDOWN 후에 다시 STARTUP 하고 NORMAL 로 SHUTDOWN 하도록 한다.
콘트롤 화일과 데이타 화일 및 로그 화일의 위치를 확인하여 이들을 tar,
cpio, dd 등의 명령을 이용하여 백업 받도록 한다. NT 에서는 COPY 명령이나
탐색기를 이용해서 백업을 받으면 된다.
콘트롤 화일 확인 방법
sqlplus에 system/manager로 접속해서
SQL>select value from v$controlfile;
데이타 화일 확인 방법
SQL>select name from v$datafile;
로그 화일 확인 방법
SQL>select member from v$logfile;
위에서 확인된 3 종류의 화일들을 백업받으면 된다.
(오라클은 반드시 SHUTDOWN된 상태이어야 함)
필요에 따라서는 파라미터 화일까지 받아두는 것이 좋다.
파라미터 화일은 $ORACLE_HOME/dbs/init<SID>.ora 이다.
(NT 에서는 C:\ORANT\DATABASE\init<SID>.ora 화일이다.
보통은 initORCL.ora 라고 되어 있다.)
여기서 <SID>는 오라클 인스턴스 이름으로 환경변수 ORACLE_SID 로 지정이 되어
있다.(NT 에서는 REGISTRY에 지정됨)

Hi,
I believe the database is shutdown and started for an export is to avoid a snapshot too old error which could araise when you have consistant=y.Still I do not believe it should be done.
Ok your second oint I would say is complimentary , because even you have a full export when the whole DB crashes.It would be much faster to restore from a cold backup than to create a new DB and import the data.

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    Thread       0x1B Task    299  2010-12-07 12:33:08 WNG SAVE       52108:  canceled by user
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    Thread       0x1B Task    284  2010-12-07 12:47:34     DataCache      4:  Mark data pages for savepoint (prepare phase)
    Thread       0x1B Task    284  2010-12-07 12:47:34     Pager      20007:  SVP(3) Start Write Data
    I'm waiting for your replay.....
    Ranganath

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    Hi,
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  • I bought a new external hard drive for backups, but time machine won't do a full back up.  I think it is remembering backing up onto previous external hard drives, which I don't own anymore.  How do I do a new full backup?

    I bought a new external hard drive for backups, but time machine won't do a full back up. 
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    Triple-click anywhere in the line below to select it:
    tmutil compare -E
    Copy the selected text to the Clipboard (command-C).
    Launch the Terminal application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
    ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
    ☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
    Paste into the Terminal window (command-V).
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  • DPM Express Full Backups Causing SQL timeouts

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    Hi
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  • Touch screen stopped working. Is there anyway to force a full backup of the iPhone without typing in my passcode lock or is there anyway to force it to connect to a WiFi network so the phone can backup to iCloud??

    Hello all, I could use some help with my iPhone 4, I hope this is the best place to ask!
    The Problem:
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    What happened:
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    What I’d like to do:
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    The last time it was backed up to my pc or to icloud was in April, so there are 6 months worth of very meaningful data I would love to keep to remind me of my travels!
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    If there is no other way around this, is there anyway to completely wipe the phone then??
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  • How to create a new full backup alongside existing one?

    I have recently reinstalled my MBP from scratch and installed some apps from scratch as well. I still have my old TM backup in a sparsebundle on my NAS (a ReadyNAS NV+).
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    Pondini wrote:
    tofe1965 wrote:
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    I wanted to have a *really clean* install as my old systems seemed to be messed up with some bad settings.
    So, back to my original question: how can I make the new "XYZs MacBook Pro" appear alongside the old "XYZs MacBook Pro" and switch volumes when I start TM using the Option key?
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    I figured that way I can keep all old backups from the old installation and not have TM retire old stuff. And start a new one from scratch for the new installation where things will get retired. Basically keep the two backups apart from each other and not see any of the old stuff unless explicitly mounted using the option key.
    If I follow your approach, what happens to old files of the old disk/UUID? Will they get retired eventually? Would my original idea work as envisioned or would it retire old things nevertheless? If the latter is the case, it is of no use and your suggested approach is the better one.
    Is there maybe a ay to force TM to start a new full backup?
    Back up to a different place: a different HD or partition, or erase the current one.
    Guess that's my only option then. I created a full bootable backup to en external USB disk using Carbon Copy Cloner. Erasing the internal disk and copying back using CCC will create a new UUID then I guess ...
    I will try that in the next couple of days and report back here. Thanks a lot for all your help and explanations so far, much appreciated!

  • Time Machine repeatedly does full backups, including FileVault while logged in

    So let me preface this - for months I'd hoped for a way that Time Machine could backup my FileVault encrypted account without logging out.  Last night Snow Leopard spontaneously started doing this.  I know many may think that I'm looking a gift horse in the mouth, but read further and hopefully someone can help me make sense of this.
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    Thanks for the input Pondini -
    I tried deleting the file as mentioned in #A4 and it still had the problem.  Last weekend i finally got a brand new hard drive and reinstalled OSX 10.6.3 from scratch, then promptly applied the 10.6.7 combo update.  I purposely chose to NOT import my old user from backup and instead set up everything again manually (royal pain, but the only way i could be sure that i wouldn't bring the problem with me).  Today i whipped out my TimeMachine drive and set it up for backups.  I crossed my fingers and it AGAIN started backing up all 250+GB of my system from within my FileVault protected account. 
    My wife's MBP is still running 10.6.4 and i'm beginning to wonder if his is an issue with 10.6.7 since i'm relatively certain i didn't experience this before that upgrade. 
    I've checked my wife's exclusions under Options and her home folder is NOT in that list, yet her TM is not attempting to backup everything until she logs out of her FV acct.
    In response to Linc Davis, _yes_ it was backing up my info into a sparsebundle file, not just the raw unencrypted data, which is extremely strange.
    If i DO add my home folder to the exclude list, will it still be backed up when i log out?
    At this point, i'm thinking my next steps are:
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    2) downgrade to an older version of Snow Leopard to see if 10.6.7 is the culprit
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