[HPADM] Summary: Cloning Oracle SID software ($ORACLE_HOME) with BCVs
From: Abramson, Stuart (SAbramson_at_Wabtec.com)
Date: 11/26/03
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To: "Hpux-Admin (hpux-admin@dutchworks.nl)" <hpux-admin@dutchworks.nl>, "EMC List (E-mail) (emc_list@yahoogroups.com)" <emc_list@yahoogroups.com> Date: Wed, 26 Nov 2003 10:21:25 -0500
Thanks to:
Denny Koovakattu
Dan Copeland
IlicR@stentor.ca <mailto:IlicR@stentor.ca>
Lynn Sattler
We're cloning Oracle BCVs to another server, and changing the:
hostname
SID Name
Mount Point names
Listener Ports
The "clone rules" are:
1. Edit Files to point to proper locations/values:
initSID.ora
tnsnames.ora
listener.ora
2. Replace symbolic links under ORACLE_HOME with new path.
3. Need to relink binaries to (if path has changed.). (See
above.)
4. mv $ORACLE_HOME/admin/SID to the new SID name.
5. Edit Apache files (above) if we use the Oracle bundled
Apache.
6. Reset the Oracle passwds with "orapwd" utility, if
initSID.ora:"remote_login_passwordfile" = "exclusive",
which ours is.
7. If you use "Oracle Intelliget Agent", then edit:
snmp_ro.ora
snmp_rw.ora
services.ora
8. If you use "Oracle Enterprise Manager", then edit:
OEMclient.properties.
The followin code will do that:
# 1. Rename files in Oracle Software directory from $OLD_SID
# to $NEW_SID.
find $NEW_MP_SW -name "*${OLD_SID}*" | while read FILE
do
NEWFILE=$( echo $FILE | sed "s/${OLD_SID}/${NEW_SID}/g" )
mv $FILE $NEWFILE
chown oracle:dba $NEWFILE
done
# Do it TWICE!
find $NEW_MP_SW -name "*${OLD_SID}*" | while read FILE
do
NEWFILE=$( echo $FILE | sed "s/${OLD_SID}/${NEW_SID}/g" )
mv $FILE $NEWFILE
done
# 2. Edit key files:
# The key files are:
KEY_FILES=" $ORA_HOME/dbs/init${NEW_SID}.ora
$ORA_HOME/network/admin/listener.ora
$ORA_HOME/network/admin/tnsnames.ora "
# The key "values" to replace are:
for FILE in $KEY_FILES
do
# Host, Oracle SID name, Port
sed "s/$OLD_HOST/$NEW_HOST/g" $FILE \
| sed "s/$OLD_SID/$NEW_SID/g" \
| sed "s/$OLD_PORT/$NEW_PORT/g" > $FILE.new1
# Mount Points:
set -A OLD_DIRS $OLD_MPS
set -A NEW_DIRS $NEW_MPS
CNT=${#OLD_DIRS[@]}
#
(( I=0 ))
while (( I < CNT ))
do
sed "s?${OLD_DIRS[$I]}?${NEW_DIRS[$I]}?g" $FILE.new1
>$FILE.new2
mv $FILE.new2 $FILE.new1
(( I=I+1 ))
done
mv $FILE.new1 $FILE
chown oracle:dba $FILE
done
# 3. Relink symbolic-linked files
find $NEW_MP_SW -type l | while read LINK
do
FILE=$( ll $LINK | awk -F">" '{print $2}' )
NEW_FILE=$( echo $FILE | sed "s?$OLD_MP_SW?$NEW_MP_SW?" )
echo $FILE | grep -q $OLD_MP_SW
if (( $? == 0 ))
then
# This is a soft link to the Old Mount Point Name
rm $LINK
ln -s $NEW_FILE $LINK
ll $LINK
fi
done
_____
From: Abramson, Stuart
Sent: Friday, November 21, 2003 5:10 PM
To: 'Denny Koovakattu'
Subject: RE: [HPADM] Cloning Oracle SID software ($ORACLE_HOME) with BCVs
Denny:
Here are some files that I'm looking at either because they reference
"hostname", "SID name" or contain the host or SID in their names.:
(Asterisk indicate files you mentioned below.)
/u1001/app/oracle/product/9.2.0/Apache/Apache/conf/httpd.conf
/u1001/app/oracle/product/9.2.0/Apache/Apache/conf/httpd.conf.default
/u1001/app/oracle/product/9.2.0/Apache/Apache/setupinfo.txt
/u1001/app/oracle/product/9.2.0/admin/HOTB*
/u1001/app/oracle/product/9.2.0/dbs/initHOTB.ora*
/u1001/app/oracle/product/9.2.0/dbs/lkHOTB
/u1001/app/oracle/product/9.2.0/dbs/orapwHOTB
/u1001/app/oracle/product/9.2.0/network/admin/listener.ora*
/u1001/app/oracle/product/9.2.0/network/admin/snmp_ro.ora
/u1001/app/oracle/product/9.2.0/network/admin/snmp_rw.ora
/u1001/app/oracle/product/9.2.0/network/admin/tnsnames.ora*
/u1001/app/oracle/product/9.2.0/network/agent/services.ora
/u1001/app/oracle/product/9.2.0/sysman/config/OEMClient.properties
What do you think?
Stuart
_____
From: Denny Koovakattu [mailto:groups@koovakattu.com]
Sent: Friday, November 21, 2003 4:52 PM
To: Abramson, Stuart
Subject: Re: [HPADM] Cloning Oracle SID software ($ORACLE_HOME) with BCVs
I am not aware of any Oracle utilities to do this. I am assuming you have
the cloning part covered, i.e., recovering the DB. If the path to
$ORACLE_HOME is changing I would suggest relinking the Oracle binaries (even
though it might work without relinking.) In the past some utilities have
failed due to embedded paths to shared libraries. I make it a point to set
LDOPTS=+s while linking Oracle. Else chatr them later. What we have done in
the past is to keep a template of the initSID.ora, listener.ora and the
tnsnames.ora and overwrite the copy of the PROD files with that.
- You might already have it covered, but check if the REPORT server is using
a password file.
- Rename the directory SID under $ORACLE_BASE/admin or create a new
directory structure (Assuming you are using OFA)
Regards,
Denny
Abramson, Stuart wrote:
Hpux-admins:
We used to "clone" our Production Oracle Instance to a BCV Reporting
Instance by only "BCV-ing" the data files.
We set up the oracle software on the BCV server for a SID called REPORT, and
we left it there. Over time, REPORT didn't get patched, etc, and wasn't an
exact copy of PROD.
We now want to BCV the Oracle software, in $ORACLE_HOME as well as the data.
So, I'm looking at changing SID names, port numbers, hostnames, file system
names in the Oracle software directories from PROD to REPORT, every time I
split the Oracle software:
$ORACLE_HOME/dbs/initSID.ora
$ORACLE_HOME/network/admin/listener.ora
$ORACLE_HOME/network/admin/tnsnames.ora
Is there an Oracle utility that does this for you?:
OracleClone OLDSID NEWSID
Does anyone have a list of the places that you have to change?
Hasn't someone done this before?
Stuart
Stuart Abramson | Off: 412/825-1434 | Cell: 412/417-1567 | email:
sabramson@wabtec.com <mailto:sabramson@wabtec.com>
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- Previous message: Abramson, Stuart: "[HPADM] Splitting Oracle DataBases "Live" with EMC TimeFinder/BCV "symioc tl" commands"
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