Changing from full recovery model to simple in sql 2012 always on

how do I change from a full recovery model to simple in an always on sql 2012 setup? When I try to change it it gave this error

The physical size of the log file will not change unless you manually shrink the file. A backup marks the log space as "reusable" internally.
Please see:
http://msdn.microsoft.com/en-us/library/ms365418.aspx

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Is it risk the data lost switch from Full Recovery mode to Simple Mode?

Please click the Mark as Answer button if a post solves your problem!

Also.. When you change recovery model of the database, first thing you do is the full database backup.
This is assure you that you do not loose data because of change in recovery model.
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it
Almost right, without question you need to take a backup if you are changing from Simple to Full; switching between full and bulk logged and vice versa does not affect your point in time recovery options; backing up after switching to Simple is not necessarily
essential but it is advisable.
Please click "Mark As Answer" if my post helped. Tony C.

DPM is Only Allowing Express Full Backups For a Database Set to Full Recovery Model

I have just transitioned my SQL backups from a server running SCDPM 2012 SP1 to a different server running 2012 R2. All backups are working as expected except for one. The database in question is supposed to be backuped up iwht a daily express
full and hourly incremental schedule. Although the database is set to full recovery model, the new DPM server says that recovery points will be created for that database based on the express full backup schedule. I checked the logs on the old DPM
server and the transaction log backups were working just fine up until I stopped protection the data source. The SQL server is 2008 R2 SP2. Other databases on the same server that are set to full recovery model are working just fine. If we
switch the recovery model of a database that isn't protected by DPM and then start the wizard to add it to the protection group it properly sees the difference when we flip the recovery model back and forth. We also tried switching the recovery model
on the failing database from full to simple and then back again, but to no avail. Both the SQL server and the DPM server have been rebooted. We have successfully set up transaction log backups in a SQL maintenance plan as a test, so we know the
database is really using the full recovery model.
Is there anything that someone knows about that can trigger a false positive for recovery model to backup type mismatches?

I was having this same problem and appear to have found a solution. I wanted hourly recovery points for all my SQL databases. I was getting hourly for some but not for others. The others were only getting a recovery point for the Full Express
backup. I noted that some of the databases were in simple recovery mode so I changed them to full recovery mode but that did not solve my problem. I was still not getting the hourly recovery points.
I found an article that seemed to indicate that SCDPM did not recognize any change in the recovery model once protection had started. My database was in simple recovery mode when I added it (auto) to protection so even though I changed it to full recovery
mode SCDPM continued to treat it as simple.
I tested this by 1) verify my db is set to full recovery, 2) back it up and restore it with a new name, 3) allow SCDPM to automatically add it to protection over night, 4) verify the next day I am getting hourly recovery points on the copy of the db.
It worked. The original db was still only getting express full recovery points and the copy was getting hourly. I suppose that if I don't want to restore a production db with an alternate name I will have to remove the db from protection, verify
that it is set to full, and then add it back to protection. I have not tested this yet.
This is the article I read:
Article I read

Restore a log backup on to database whose recovery model is SIMPLE ?

Hi All,
Today, it was new thing I found when I was testing some log shipping?
Question is can we restore a LOG BACKUP on a database whose recovery model is SIMPLE?
Brief background:
I setup log shipping in SQL Server 2012 SP1 Enterprise Edition between 2 instances. Log shipping is in Standby/readonly mode. So, everything was working very fine...
Now I changed the recovery model of secondary database on 2nd instance from Full to SIMPLE, still the restores are happening very fine. So, is this a normal behavior? other thing is once after restore job is complete the recovery model is getting changed to
FULL automatically on secondary db and I verify it before and after restore job using below query:
select name,recovery_model_desc from sys.databases
Based on my knowledge when a database is in SIMPLE recovery model, we can't perform any log backups on the database and since no log backups, we cant perform Point in Time recovery?
Please clarify what I am seeing is normal ? Also, would like to know what is happening behind the scenes?
Thanks and appreciate your help.
Sam

Hi,
>>Question is can we restore a LOG BACKUP on a database whose recovery model is SIMPLE?
Yes you can restore Log backup on database which is in simple recovery.
You must understand what recovery model is for. Recovery model affects Logging and recovery of a database it does not puts restriction on what can be restore on it. Of course you cannot take log backup of database in simple recovery but you can restore.
Reason being in simple recovery log is truncated after checkpoint (unless something is holding logs like long running transaction). Recovery model also controls the extent of logging which would be done for transaction and hence recovery which you can do
PS: Dont play with logshipping like this which is configured on prod environment
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it
My Technet Wiki Article
MVP

Backup - full recovery model

So where do I change it please ?
Is this the "BackupFull" option in the BackupBizTalkServer properties window ?

The Backup BizTalk Server SQL
Server Agent job is the only supported method to back up the BizTalk Server databases.
This job requires all BizTalk Server databases to use a Full Recovery Model.
How to maintain and troubleshoot BizTalk Server databases
Using
SQL Server Management Studio To View/Modify Recovery Model
After connecting to the appropriate instance of the SQL Server Database Engine, in Object Explorer, click the server name to expand the server tree.
Expand Databases, and, depending on the database, either select a user database or expand System Databases and select a system database.
Right-click the database, and then click Properties, which opens the Database Properties dialog box.
In the Select a page pane, click Options.
The current recovery model is displayed in the Recovery model list box.
Optionally, to change the recovery model select a different model list. The choices are Full, Bulk-logged, or Simple.
Click OK.
View or Change the Recovery Model of a Database (SQL Server)
Thanks,
Prashant
Please mark this post accordingly if it answers your query or is helpful.

What are Full Recovery models configured to content databases

hi
now in my SharePoint farm SharePoint Content Database are not configured to run with Full Recovery model
what are these full recovery models and is needed
adil

With a full recovery mode you can (in case of appropriate backuping) to restore database to almost any specific time. Like "Monday, 2:34PM".
So if your SharePoint site is using to exchange documents and heavily updating - I recommend you to switch Full mode on and backup full database at least once per week, backup logs every hour or as your information policy requires.
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Why db mirror can not set db recovery model to simple?

Hi ,All
I have a question .
DB replication can set db recovery model to simple ,why db mirror can not db recovery model to simple.
DB mirror must be set to full recovery model.
As far as I know, whatever db mirror and db replication ,there is a log reader to read the log in the ldf file
DB mirror and DB replication are almost the same principle to replicate the db to another db server
Thanks a lots
Love SQL

Database mirroring involves redoing every
insert, update, and delete operation that occurs on the principal database onto the mirror database as quickly as possible. Redoing is accomplished by sending a stream of active transaction log records to the mirror server, which applies log records to the
mirror database, in sequence, as quickly as possible. Unlike replication, which works at the logical level, database mirroring works at the level of the physical log record.
There is no log reader agent in case of mirroring its more internal. Mirroring
uses the transaction log to redo everything at the mirror site. In simple recovery model, the transaction log is effectively transitory and only enough information is kept in the log for undo/redo to keep the database consistent during
crash recovery. Thats why mirroring does not work in simple recovery model.

Backup strategy for FULL recovery model

Hi,
We currently have a DB that is in a FULL recovery model and is Synchronized (mirrored) to a DR site. For extra safety, we are told to take regular backups of this db. Now is it possible to take a weekly FULL backup and then differential throughout
the week. OR have two FULL backups (Sunday and Wednesday) and then differential on other days.
Does the recovery model affect how a backup can be taken. Will this affect the log file (it is currently set to restricted growth by 400mb)
System: SQL Server - 2008 R2
Thanks.

Thanks Ashwin and Prashant. Based on your responses and the acceptable RTO i have the below backup plan.
Sunday and Wednesday FULL backup
Everyday - Differential
The transaction log done every hour.
For example:
Sunday 11:50pm - FULL backup done
Differential done daily at 1:00 am
So if the DB crashed or corrupted on Wednesday @ 6:am , I would have to restore with the below ?
-- Use the Sunday FULL backup
-- Use the differential from Wednesday @ 1:00 am
-- Use the transaction logs from 1:00 am to 6 am.
Would that work?

Change from full creative cloud suite to just photography

How do I change from full Creative Cloud Suite to just photography-Photoshop and Lightroom only?

First contact Adobe to be sure you don't have to pay a termination fee
-Adobe contact information - http://helpx.adobe.com/contact.html
Second cancel the subscription you already have
-start here https://forums.adobe.com/thread/1703848
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How do I change from "Full" to "Large" - post import?

I have imported clips into imovie '09 in the "Large" size. Now that they are in imovie I would like to change the size of some of them to "Full". I want to do this to free up hard drive space and I don't need these clips to be that large.
I went under "file"; "optimize video" and changed them that way, but that actually takes up more space on my hard drive.
Thank you.

Large is 960x540. Full is 1920x1080. So large should be smaller.
You can change from Full to Large later, but you cannot switch from Large to Full.
Unless of course the files are still on your camera. Or if you created an archive of your camera so you still have the original files from your camera.
If your camera uses AVCHD clips, they are converted to Apple Intermediate Codec on import, so no need to optimize.
If your camera makes h.264 clips, they are not automatically converted to Apple Intermediate Codec on import, so by optimizing, you will get better performance. But when you optimize a 960x540 h.264 file, it is converted to a 960x540 AIC file (which is larger.)
Both AVCHD and h.264 are highly compressed formats. They will take 1 complete "photo" every 24 (or so) frames. The next 23 frames are partial frames which contain compressed information like what has changed since the previous frame, direction of motion, etc. When you "optimize", you are converting the file to Apple Intermediate Codec, which converts every frame to a full frame. For editing and rendering, you are much better off having the full frames, because it cuts down on the amount of processing that iMovie has to do.
If you will be doing a lot of video, you may want to consider a large external drive, because video files are large.
If I misunderstood your question, please post back.

Change from Full load to delta load.

Hi Gurus,
I have one ODS object which is extracting data from r/3 system.this ODS object is getting loaded on a daily basis,& it's having heavy volume data (takes almost 8 hours to load).
Now I want to change the load mode of that ODS from FULL load to Delta Load
How can I do that ?
I tried to do* Init without data transfer* from source to this ODS obejct , but while activation it's saying Full load is already loaded so no init
I want to change the load mode of that ODS object without deleting the data,as it takes lot of time to load the total data.
Is there any way to that??
Plz help.Thanks in advance.
Regards,
Kironmoy Banerjee.

RSSM_SET_REPAIR_FULL_FLAG.
1 more question,if run that function module,will it change the existing loads in Repair full mode?
or it will load the total data again.
If you run RSSM_SET_REPAIR_FULL_FLAG Program and give ODS name etc.. it will turn all Full loads to Repair full mode.
Steps:
1. Run that function module.
Run Program RSSM_SET_REPAIR_FULL_FLAG
2. give ODS,data source name.
Yes
3 it will change the existing load to repair full load,
Yes
4.Init without data transfer. (i am not sure if this step is required or not.)
Yes
5.delta load.
Yes
Thanks
Reddy

Changing From Full to delta load

Could someone please help with this
i have used a Functional Module to extract data from R/3
i have created a new InfoCube and did a full load and everything is fine
There is NO ODS involved
i now want to change data loads from FULL to DELTAs
Can i do this without using an ODS and RECORDMODE - if so, how?
Thankyou
Pushpa

HI Pushpa,
For generic DS we need to maintain the generic delta. We can define in three ways.
1.Calday
2.Numeric Pinter
3.Timestamp
If we go for calday then there should a field (0calday). Which holds both created and changed the date of the record. We have 1 drawback in this we can only run the load only at the end of the day.
Numeric Pointer will only fetches the changed records.
Most of the time we preffer we go for timestamp.
U will get these option in RSo2 in R/3
Regards

Permission changes from Full-control to Write

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Hi,
Where I am with a DSL service which is limited by the distance I am from the exchange I get 7Mbs download and about 780kbps upload.
Your Upload is close to 300kbps and looks a bit low in comparison to your Download.
Are or were there any other items that might have been uploading at the same time ?
Games Consoles or other computers for instance.
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Use any of the following:
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'''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.'''
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Changing from full recovery model to simple in sql 2012 always on

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