After almost 1 year, I’ve decided to publish these articles on my Slideshare account. You may have already seen them in the IOUG Collaborate 14 conference content or in the SOUG Newsletter 2014/4. Nothing really new, but I hope you’ll still enjoy them.
Cheers
—
Ludo
2014 has been a great year, and it’s time to summarize it quickly.
A few numbers
UKOUG Tech 14 wrap-up
I’ve attended UKOUG Tech for the first time this year and have not found the time to blog about it. The conference is very good. There is a lot of good content, the agenda is great. But I’ve heard that the conference was better and bigger in the past, that’s why the UKOUG is going to move it back to Birmingham in 2015. I sincerely hope that they will get back the attendance this conference deserves.
Sadly, the RAC Attack has not been organized and advertised properly, so it has been a failure comparing to te previous ones I’ve attended/organized.
I have learnt many new technical things and I also have learned some lessons:
![DSC_0363[1]](http://www.ludovicocaldara.net/dba/wp-content/uploads/2014/12/DSC_03631.jpg)
Once again, I’ve met many new friends 🙂
6 months in the ACE program
I’ve spent my first 6 months in the ACE Program, it would take too much to talk about it. The best I’ve taken is not being in the program by itself. The best is the effort, the feedback and the new connections I’ve got as an active member of the community. Is a path that I recommend to all my Oracle-involved friends and colleagues because it’s very rewarding. I hope to be able to blog more about it in 2015 😉
A couple of pictures from 2014…
Projects for 2015
Happy new year to everyone!
—
Ludo
In my #OOW14 presentation about MAA and Multitenant, more precisely at slide #59, “PDB Creation from other PDB without ADG*”, I list a few commands that you can use to achieve a “correct” Pluggable Database clone in case you’re not using Active Data Guard.
What’s the problem with cloning a PDB in a MAA environment without ADG? If you’ve attended my session you should know the answer…
If you read the book “Data Guard Concepts and Administration 12c Release 1 (12.1)“, paragraph 3.5 Creating a PDB in a Primary Database, you’ll see that:
If you plan to create a PDB as a clone from a different PDB, then copy the data files that belong to the source PDB over to the standby database. (This step is not necessary in an Active Data Guard environment because the data files are copied automatically when the PDB is created on the standby database.)
But because there are good possibilities (99%?) that in a MAA environment you’re using ASM, this step is not so simple: you cannot copy the datafiles exactly where you want, it’s OMF, and the recovery process expects the files to be where the controlfile says they should be.
So, if you clone the PDB, the recovery process on the standby doesn’t find the datafiles at the correct location, thus the recovery process will stop and will not start until you fix manually. That’s why Oracle has implemented the new syntax “STANDBYS=NONE” that disables the recovery on the standby for a specific PDB: it lets you disable the recovery temporarily while the recovery process continues to apply logs on the remaining PDBs. (Note, however, that this feature is not intended as a generic solution for having PDBs not replicated. The recommended solution in this case is having two distinct CDBs, one protected by DG, the other not).
With ADG, when you clone the PDB on the primary, on the standby the ADG takes care of the following steps, no matter if on ASM or FS:
If you don’t have ADG, and you’re on ASM, Oracle documentation says nothing with enough detail to let you solve the problem. So in August I’ve worked out the “easy” solution that I’ve also included in my slides (#59 and #60):
Once at #OOW14, after endless conversations at the Demo Grounds, I’ve discovered that Oracle has worked out the very same solution requiring network transfer and that it has been documented in a new note.
Making Use of the STANDBYS=NONE Feature with Oracle Multitenant (Doc ID 1916648.1)
This note is very informative and I recommend to read it carefully!
What changes (better) in comparison with my first solution, is that Oracle suggests to use the new feature “restore from service”:
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RMAN> run{ 2> set newname for pluggable database DEST to new; 3> restore pluggable database DEST from service prim; 4> switch datafile all; 5> } |
I’ve questioned the developers at the Demo Grounds about the necessity to use network transfer (I had the chance to speak directly with the developer who has written this piece of code!! :-)) and they said that they had worked out only this solution. So, if you have a huge PDB to clone, the network transfer from the primary to standby may impact severely your Data Guard environment and/or your whole infrastructure, for the time of the transfer.
Of course, I have a complex, undocumented solution, I hope I will find the time to document it, so stay tuned if you’re curious! 🙂
DISCLAIMER: I’ve got this information by chatting with Oracle developers at the Demo Grounds. The functionality is not documented yet and Oracle may change it at its sole discretion. Please refer to the documentation if/when it will be updated 😉
In one of my previous posts named “A PDB is cloned while in read-write, Data Guard loose its marbles (12.1.0.2, ORA-19729)” I’ve blogged about a weird behaviour:
Indeed, If I try to clone it when the source PDB is MOUNTED, I get error ORA-65036:
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15:44:24 SYS@CDBATL_1> select inst_id, name, open_mode from gv$pdbs where name='MAAZ'; INST_ID NAME OPEN_MODE ---------- ------------------------------ ---------- 1 MAAZ MOUNTED 2 MAAZ MOUNTED 15:53:43 SYS@CDBATL_1> create pluggable database ludo from maaz; create pluggable database ludo from maaz * ERROR at line 1: ORA-65036: pluggable database MAAZ not open in required mode |
The weird behavior is that if you do it when the source is in read-write mode, it works from release 12.1.0.2 (onward?)
I’ve questioned the developers at the DEMO Grounds and they have confirmed that:
I hope that this update helps clarifying both the behavior and my previous post about this problem! 🙂
Cheers
—
Ludo
One month after the Open World, and still I’ve got no time to blog about it… The first reason is… well… I’ve been working on new stuff (a couple of new websites are coming), then I’ve had to adapt old slides with the great content got at the conference (ZDLRA and other topics). Finally, I was also tired about working off-hours, I needed to spend good time with my family after this summer’s rush (moved to the new house and meanwhile worked on one gazillion different topics).
Open World 2014, a different personal feeling
The Open World has been again THE big conference that no Oracle professional can miss. But this time it has been very different to me comparing to 2013.
It wasn’t my first time as attendee, so it has been less surprising. I’ve attended as a Speaker (that made me feel part of the conference, and not just a spectator). I’ve attended also as an Oracle ACE (I’ll blog about thisin another post, soon or later). I was already friend with many people that I was eager to see again (and I feel the same now, waiting for the next conference).
My sessions
Surprisingly, from the very beginning (at the time of the session acceptance from Oracle) I felt very relaxed about my presentations. One presentation after the other, I’m getting aware of my limits (especially my bad English! ;-)) but I’m also getting experienced. So I went to Open World without stress, even knowing that the first one, on Sunday, was already full booked a couple of weeks before the beginning of the conference.
Oracle has assigned to my sessions the VERY FIRST and the VERY LAST slots of the conference, so I’ve had less attendees than expected (around 170 for both sessions out of 230 and 270 registered people respectively). At least, I’ve had the chance to open and close the conference by saying “Welcome to Open World” and “Thank you, see you next year!” 🙂
I’ve got very few feedback from the official OOW website, just 3 people for each session (anyway with a good, statistically irrelevant score: 4.33 and 4.67 out of 5), but I’ve been much more excited by the direct feedback of people that joined me for a chat right after the sessions and by the feedback on Twitter. I have to say that the interactions on this social media made my week, again.
@ludodba Great Multitenant with RAC and DG presentation @oracleopenworld. New to me: Cloned PDB is not propagated in DG
— Johannes Ahrends (@streetkiter) September 29, 2014
@ludodba pre session setup. Yes, I am close enough 🙂 #oow14 pic.twitter.com/H0ypxdX0NM — Andrejs Karpovs (@AndrejsKarpovs) October 2, 2014
Best idea yet! My boy @ludodba. #oow14 pic.twitter.com/S2nwZQGEjw — Seth Miller (@Seth_M_Miller) October 2, 2014
This was easily the funniest slide from all the #OOW14 presentations I attended cc @maaz_anjum @ludodba pic.twitter.com/n9spxFrOXI
— Rene Antunez (@grantunez) October 10, 2014
Thanks for the excellent presentation @ludodba – loved the ppt pics 😉 safe travels and hope to catch up again soon — Mike Donovan (@dbvisitmike) October 2, 2014
Great opening session on RAC and Multitenant, great demos!! @ludodba
— Brian Pawlik (@brianpawlik) September 28, 2014
RAC Attack
This year we organized (or… Bobby Curtis and Laura Ramsey did) the RAC Attack at the OTN Lounge. It’s always a great meeting point for all the bloggers and Oracle ACEs, but due to the day (Sunday) and the location (the mezzanine of the Moscone South), we’ve got less people than expected. Anyway, it’s always my favorite project and workshop. We’ve got T-shirts, bandannas, famous ninjas and the most famous attendee ever. Who? Try to figure it out yourself:
Don’t forget to say hi to all #RACAttack geeks at #oow14 It is on now! pic.twitter.com/pydQOnfDJs — Yury Velikanov (@yvelik) September 28, 2014
Networking events
Saturday I’ve missed a great bike ride, and Sunday I had to miss the “Official” Golden Gate Run organized by Jeff Smith because it was overlapping with my session. So the first big event has been the ACE Dinner on Sunday, kindly sponsored by the Oracle ACE Program. A dream come true!
Monday morning, despite a very bad weather, I’ve been part of the great Swim in the Bay organized by Oraclenerd. The air was very cold (15°C) and the water was even colder!
On Monday evening there was the Tech Fest organized at the Oracle Plaza (once Howard St.), I’ve been there with friends and colleagues and then we headed together to the Mikkeller Bar for a beer.
I’ve planned my Tuesday longtime ago, when I’ve realized that there was a concert of the Royal Blood and the Pixies at the Masonic Center (Nob Hill) I’ve bought a couple of tickets for my and my ex-colleague and friend Franck Pachot.
Wednesday morning I’ve organized the replica of the Golden Gate Run. Franck and Sten Vesterli joined me. Doing it early in the morning is beautiful!
Wednesday evening was the time of the great Blogger Meetup organized by Pythian and the OTN. Nowhere else you can find the same concentration of Oracle bloggers! Sadly this year the gadget was electronic (an app on the smartphone requiring network connectivity, so almost unusable and much less interactive, IMHO). I’ve finally met my good tweep Kevin Closson that wasn’t there in 2013.
After the meetup, me and a team of very good friends have organized a dinner at the Fisherman’s Wharf, far from the crowd going to the traditional Oracle Appreciation Event. Try to recognize them in the picture below, I couldn’t ask for a better companionship!! 🙂
Thursday is always sad, everybody leaves and after the conference the Oracle Plaza gets immediately so empty! The afternoon we’ve organized a meeting of the RAC SIG, and the evening I’ve managed to meet one more time many friends. Thank you guys 🙂
My ride on Friday
I’ve ended my week with a long bike ride. I’ve under estimated the size of San Francisco, after more than four hours, 50km and almost 800m of cumulated ascent, I was completely out of order! But I’ve got the chance to visit for the first time most attractions… The City Hall, the Painted Ladies, the Golden Gate Park, the beach on the ocean side, the Coastal Trail, the Legion of Honor, the Presidio and the Hawk Hill on the other side of the bridge. 
To resume
Listing all the friends I would like to thank for the OOW week is long… Heli, Ovind, Kyle, Martin, Yury, Björn, Franck, Tim, Kellyn, Rene, Leighton, Seth, Laura, Vikki, Jennifer, Mina, Marc, Nelson, Markus, Larry, Edelweiss, Emiliano, Roman, Daniele, Konrad, Chris, Christian, Sten, Hans, Rooq, Andrejs, Paul, Michelle, Kai, Ian, Michael, Alex, Vanessa, Mark, Osama, Bobby, Rick, Gurkan, Laurent, Kevin, Jason, Chet, Carlos, Mauro, Danny, Don, Jan, Vit, Biju, Stacey, Mike, Henning, Jeff, Christophe, Dominique, Hervé… I know I’m forgetting too many, you know who you are, thank you!
Here you can find the material related to my session at Oracle Open World 2014. I’m sorry I’m late in publishing them, but I challenge you to find spare time during Oracle Open World! It’s the busiest week of the year! (Hard Work, Hard Play)
Slides
Demo 1 video
Demo 2 video
Demo 1 script
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clear function pause () { echo read -p "$*" echo } tnsping cdbatl pause "next... status db" clear echo \$ srvctl status database -db CDBATL srvctl status database -db CDBATL pause "next... status pdb" clear sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on select INST_ID, CON_ID, name, OPEN_MODE from gv\$pdbs where con_id!=2 order by name, inst_id; exit EOF pause "next... add singleton service" clear ### add service MAAZAPP SINGLETON cmd="srvctl add service -db CDBATL -service maazapp -serverpool CDBPOOL -cardinality singleton -role primary -failovertype select -failovermethod basic -policy automatic -failoverdelay 2 -failoverretry 180 -pdb maaz" echo \$ $cmd eval $cmd pause "next... start service" clear cmd="srvctl start service -db CDBATL -service maazapp -instance CDBATL_1" echo \$ $cmd eval $cmd pause "next... status pdb" clear sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on select INST_ID, CON_ID, name, OPEN_MODE from gv\$pdbs where con_id!=2 order by name, inst_id; exit EOF cmd="srvctl status database -db cdbatl" echo echo \$ $cmd eval $cmd cmd="srvctl status service -service maazapp -db cdbatl" echo echo \$ $cmd output=`$cmd` echo $output current=`echo $output | awk '{print $NF}'` if [ $current == "raca01" ] ; then target="raca02" else target="raca01" fi pause "pause... please launch demo1_client.sh" pause "next... relocate service from $current to $target" clear cmd="srvctl relocate service -db CDBATL -service maazapp -currentnode $current -targetnode $target" echo \$ $cmd eval $cmd pause "next... status pdb" clear sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on select INST_ID, CON_ID, name, OPEN_MODE from gv\$pdbs where con_id!=2 order by name, inst_id; exit EOF pause "next... close pdb immediate on old inst" clear sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on alter pluggable database maaz close immediate instances=('CDBATL_1'); exit EOF pause "next... status pdb" clear sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on select INST_ID, CON_ID, name, OPEN_MODE from gv\$pdbs where con_id!=2 order by name, inst_id; exit EOF pause "next... modify service to uniform" clear cmd="srvctl modify service -db CDBATL -service maazapp -cardinality uniform" echo \$ $cmd eval $cmd pause "next... status pdb" clear sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on select INST_ID, CON_ID, name, OPEN_MODE from gv\$pdbs where con_id!=2 order by name, inst_id; exit EOF echo cmd="srvctl status service -service maazapp -db cdbatl" echo \$ $cmd eval $cmd exit |
Demo 2 script
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txtblk='\e[0;30m' # Black - Regular txtred='\e[0;31m' # Red txtgrn='\e[0;32m' # Green txtrst='\e[0m' # Text Reset function echop () { echo echo -e "${txtgrn}$*${txtrst}" } function echos () { echo echo -e "${txtred}$*${txtrst}" } function pause() { echo read -p "$*" echo } clear echop "Status of the PRIMARY DATABASE" sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on select db_unique_name, database_role from v\$database; select inst_id, con_id, name,open_mode from gv\$pdbs where con_id!=2 order by con_id, inst_id; exit EOF pause "next... standby status" clear echos "Status of the STANDBY DATABASE" sqlplus sys/racattack@cdbgva as sysdba <<EOF set echo on select db_unique_name, database_role from v\$database; select open_mode from v\$database; select inst_id, con_id, name,open_mode from gv\$pdbs where con_id!=2 order by con_id, inst_id; exit EOF pause "next... dgmgrl status" clear echos "Data Guard configuration and status of the STANDBY database" dgmgrl <<EOF connect sys/racattack show configuration; show database 'CDBGVA'; exit EOF pause "please do tail -f on the apply instance" pause "next... create new pdb ludo on primary " clear echop "Create new pluggable database on the primary: " echop "create pluggable database ludo admin user ludoadmin identified by ludoadmin;" sqlplus sys/racattack@cdbatl as sysdba <<EOF set echo on create pluggable database ludo admin user ludoadmin identified by ludoadmin; select inst_id, con_id, name,open_mode from gv\$pdbs where con_id!=2 order by con_id, inst_id; exit EOF pause "next... create service for primary on both clusters" clear echop "Create service for primary ROLE on the primary cluster (CDBATL) via SSH" cmd="srvctl add service -db CDBATL -service ludoapp -serverpool CDBPOOL -cardinality singleton -role primary -failovertype select -failovermethod basic -policy automatic -failoverdelay 1 -failoverretry 180 -pdb ludo" echo "\$ ssh raca01 $cmd" ssh raca01 ". /home/oracle/.bash_profile ; $cmd" echos "Create service for primary ROLE on the standby cluster (CDBGVA)" cmd="srvctl add service -db CDBGVA -service ludoapp -serverpool CDBPOOL -cardinality singleton -role primary -failovertype select -failovermethod basic -policy automatic -failoverdelay 1 -failoverretry 180 -pdb ludo" echo "\$ $cmd" eval $cmd pause "next... start service on primary" clear echop "Starting service on the primary via SSH" cmd="srvctl start service -db CDBATL -service ludoapp" echo "\$ ssh raca01 $cmd" ssh raca01 ". /home/oracle/.bash_profile ; $cmd" pause "next... create read only service for physical standby on both clusters" clear echop "Creating temporarily the readonly service for PRIMARY ROLE on the primary cluster (CDBATL) via SSH" cmd="srvctl add service -db CDBATL -service ludoread -serverpool CDBPOOL -cardinality singleton -role primary -failovertype select -failovermethod basic -policy automatic -failoverdelay 1 -failoverretry 180 -pdb ludo" echo "\$ ssh raca01 $cmd" ssh raca01 ". /home/oracle/.bash_profile ; $cmd" echop "Starting the readonly service for PRIMARY ROLE on the primary cluster (CDBATL) via SSH" cmd="srvctl start service -db CDBATL -service ludoread" echo "\$ ssh raca01 $cmd" ssh raca01 ". /home/oracle/.bash_profile ; $cmd" echop "Modifying the readonly service from PRIMARY ROLE to PHYSICAL STANDBY on the primary cluster (CDBATL) via SSH" cmd="srvctl modify service -db CDBATL -service ludoread -role physical_standby -pdb ludo" echo "\$ ssh raca01 $cmd" ssh raca01 ". /home/oracle/.bash_profile ; $cmd" echos "Creating the readonly service for PHYSICAL STANDBY on the standby cluster (CDBGVA)" cmd="srvctl add service -db CDBGVA -service ludoread -serverpool CDBPOOL -cardinality singleton -role physical_standby -failovertype select -failovermethod basic -policy automatic -failoverdelay 1 -failoverretry 180 -pdb ludo" echo "\$ $cmd" eval $cmd pause "next... start read only service" clear echos "Starting the readonly service on the standby cluster" cmd="srvctl start service -db CDBGVA -service ludoread" echo "\$ $cmd" eval $cmd pause "next... standby status" clear echos "Standby status" sqlplus sys/racattack@cdbgva as sysdba <<EOF select db_unique_name, database_role from v\$database; select open_mode from v\$database; select inst_id, con_id, name,open_mode from gv\$pdbs where con_id!=2 order by con_id, inst_id; exit EOF pause "please connect to the RW service" pause "next... dgmgrl status and validate" clear echos "Validate Standby database" dgmgrl <<EOF connect sys/racattack show configuration; validate database 'CDBGVA'; exit EOF pause "next... switchover to CDBGVA" clear echos "Switchover to CDBGVA! (it takes a while)" dgmgrl <<EOF connect sys/racattack switchover to 'CDBGVA'; exit EOF |
There’s one slide describing the procedure for cloning one PDB using the standbys clause. Oracle has released a Note while I was preparing my slides (one month ago) and I wasn’t aware of it, so you may also checkout this note on MOS:
Making Use of the STANDBYS=NONE Feature with Oracle Multitenant (Doc ID 1916648.1)
UPDATE: I’ve blogged about it in a more recent post: Tales from the Demo Grounds part 2: cloning a PDB with ASM and Data Guard (no ADG)
UPDATE 2: I’ve written another blog post about these topics: Cloning a PDB with ASM and Data Guard (no ADG) without network transfer
Cheers!
—
Ludovico
It’s time to prepare my luggage for the OOW, it will be my second time in San Francisco and the first as ACE and speaker. I still need to figure out if I’ll manage to get my badge Sunday morning, because Saturday I won’t be in the city before the registration desks close.
If you want to reach me during the conference, this is my “expected” plan:
I’m looking forward particularly to meet my many community friends at the ACE dinner (the first as non-infiltrated ;-)), the blogger meetup and the crazy swim in the bay.
See you on Sunday! 🙂
Last Wednesday, September 17th, we’ve done the first RAC Attack in Switzerland (as far as I know!). I have to say that it has been a complete success like all other RAC Attacks I’ve been involved in.
This time I’ve been particularly happy and proud because I’ve organized it almost all alone. Trivadis, my employer, has kindly sponsored everything: the venue (the new, cool Trivadis offices in Geneva), the T-shirts (I’ve done the design, very similar to the one I’ve designed for Collaborate 14), beers and pizza!
For beer lovers,we’ve got the good “Blanche des Neiges” from Belgium, “La Helles” and “La Rossa” from San Martino Brewery, Ticino (Italian speaking region of Switzerland). People have appreciated 🙂
We’ve had 4 top-class Ninjas and 10 people actively installing Oracle RAC (plus a famous blogger that joined for networking), sadly two people have renounced at the last minute. For the very first time, all the participants have downloaded the Oracle Software in advance. When they’ve registered I’ve reminded twice that the software was necessary because we cannot provide it due to legal constraints.
People running the lab on Windows laptops have reported problems with VirtualBox 4.3.16 (4.3.14 has been skipped directly because of known problems). So every one had to fallback to version 4.3.12 (the last stable release, IMO).
The best praise I’ve got has been the presence of a Senior DBA coming from Nanterre! 550Km (> 5h00 by public transport door-to-door) and an overnight stay just for this event, can you believe it? 🙂
This makes me think seriously about the real necessity of organizing this kind of events around the world.
Off course, we’ve got a photo session with a lot of jumps 😉 We could not miss this RAC Attack tradition!
We’ve wrapped everything around 10:30pm, after a bit more than 5 hours of event. We’ve enjoyed a lot and had good time together chatting about Oracle RAC and about our work in general.
Thank you again to all participants!! 🙂
My community involvment will see its busiest season. It will start today with a webinar in Italian for the RAC SIG, then three conferences and 4 user group meetings, for a total of twelve sessions and workshops before the end of the year.
The updated list of upcoming events can be found here.
BTW, this is the list of events from today to December:
Date/Time
Event
10/09/2014
4:00 pm - 5:00 pm
RAC SIG webinar in Italian: Gestisci Oracle RAC più facilmente con i Policy-Managed Database
12/09/2014
5:15 pm - 6:05 pm
Oracle RAC, Data Guard, and Pluggable Databases: When MAA Meets Oracle Multitenant
TechEvent 09.2014, Mövenpick Hotel, Regensdorf Zurich
13/09/2014
11:05 am - 11:55 am
Oracle Database Backup Log Recovery Appliance: a quick preview
TechEvent 09.2014, Mövenpick Hotel, Regensdorf Zurich
28/09/2014
8:00 am - 8:45 am
Oracle RAC, Data Guard, and Pluggable Databases: When MAA Meets Oracle Multitenant
Oracle Open World 2014, San Francisco California
28/09/2014
9:00 am - 2:00 pm
RAC Attack at OOW14
Oracle Open World 2014, San Francisco California
02/10/2014
2:30 pm - 3:15 pm
Oracle Active Data Guard 12c: Far Sync Instance, Real-Time Cascade Standby, and Other Goodies
Oracle Open World 2014, San Francisco California
16/10/2014
9:00 am
Oracle Database Backup Logging Recovery Appliace: a quick preview
SOUG SIG 10.2014 (Engineered Systems, Infrastruktur, Cloud), ABB Segelhof, Baden, Dättwil AG
25/10/2014
12:00 am
Costruire siti con Wordpress
Italian Linux Day 2014, Aosta
06/11/2014
9:00 am - 12:30 pm
Oracle Active Data Guard 12c: Far Sync Instance, Real-Time Cascade Standby, and Other Goodies
SOUG-R SIG 11.2014, Continental Hotel, Lausanne, Lausanne
08/12/2014 - 10/12/2014
12:00 am
RAC Attack at UKOUG TECH14
UKOUG Tech 2014, ACC Liverpool, Liverpool
10/12/2014
9:00 am - 9:50 am
Oracle RAC, Data Guard, and Pluggable Databases: When MAA Meets Oracle Multitenant
UKOUG Tech 2014, ACC Liverpool, Liverpool
The slides of my presentation about Policy-managed databases. I’ve used them to present at Collaborate14 (#C14LV).
The same abstract has been refused by OOW14 and UKOUG_TECH14 selection committees, so it’s time to publish them 🙂