Extending Long-Term Protection (tape)

Hi all,
This should hopefully be a simple Q&A. I'm using local disk for short-term backup - roughly 30 days. I also have a tape library attached that I use for Long-Term protection. The protection group is configured to keep weekly run tapes for
8 weeks, and the monthly tapes are marked to keep for 3 years.
If I reconfigure the protection group to keep the monthly tapes for 5 years, will it update the time-stamp for any previously writtent monthly tape?
Example: On May 1, a monthly tape was written w/ a 3 year retention period (as per the protection group). If I edit the PG to reflect 5 years instead of 3, will that tape on May 1 update with the 5 year retention policy? Or will it still only
reflect 3 years, because that was the policy at the time of the write?
Thanks!

Hi,
Yes, by default the monthly tape recovery points should reflect the new recovery retention period. We introduced a registry setting to prevent that from occurring for customers who do not want the default behavior.
DPM 2012 Sp1 UR2 KB2706783 see Issue 8
Expiry dates for valid datasets that are already written to tape are changed when the retention range is changed during a protection group modification.
For example, a protection group is configured for long-term tape recovery points with custom long-term recovery goals. Recovery Goal 1 has a smaller retention range than other recovery goals. In this configuration, if a protection group is changed to remove
Recovery Goal 1 and to keep other recovery goals, the datasets that were created by using Recovery Goal 1 have their retention range changed to the retention range of the other recovery goals.
To work around this problem, create the IsDatasetExpiryDateChangeInModifyPgAllowed DWORD under the following subkey, and then set its value to 0:
HKEY_LOCAL_MACHINE\Software\Microsoft\Microsoft Data Protection Manager\Configuration\MediaManager
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

Similar Messages

What actually gets written to tape by long-term protection?

I've been reviewing our long term recovery goals and am confused by the Customize Recovery Goal screen. The only documentation I can find for it only gives brief descriptions and is for 2010, I'm using 2012 R2.
Customizing Recovery Goals for Long-Term Protection
http://technet.microsoft.com/en-us/library/ff399209.aspx
I notice it says 'Back up every:' under the recovery goals, not 'colocate'. Does this mean that it will take a backup and write it directly to tape instead of writing the recovery points on disk to tape?
The specify long-term goals screen in the Modify Group wizard says 'All long-term tape-based protection uses full backups.' Does this mean the file and application recovery points from the short term protection aren't written to tape?

Hi,
<snip>
What actually gets written to tape by long-term protection?
>snip<
It really depends if you are using short-term to disk or not.
1) You are using short-term to disk, long term to tape (D2D2T)
       In this configuration the last successful disk based recovery point is written to tape.
       The data is read from DPM recovery point and copied to tape.
2) You are using short-term to tape and long term to tape (D2T2T)
     The first LT recovery goal is a full backup taken from the protected server.
      Other LT goals are tape copies from lesser goals, so you need multiple tape drives.
As noted - all long term tape backups are full backups, no incremental backups are possible.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

DPM 2012 - stand alone drive - Short/Long term protection to tape

We are migrating from BE to DPM 2012. I'm trying to configure DPM 2012 for both short term & long term protection - both using tape (stand alone drive). The goal is:
Daily backups (Mon, Tue, Wed, Thu) - 2 weeks retention
Weekly backup (Friday) - 4 weeks retention
Monthly backup (last weekly backup) on every month - 15 m onths retention
I've configured the short term protection for daily and weekly backups. Monthly backups are configured under long term protection. Daily and weekly backups are working as expected. However when it comes time for the Monthly, the DataSet copy jobs are failing.
As I understand it, DPM is expecting another drive to copy the weekly backup tape.
How I can achieve above goals ? Backup to disk is not an option.

Hi,
Any time DPM schedules a dataset copy job, you will need more than one tape drive, there is no way around that requirement.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

DPM 2012 SP1 long term backup fails when protected server reboots

Hi,
we're using DPM 2012 SP1 with Short-term and long-term protection.
We use a daily short-term backup to disk and a weekly long-term to tape.
We are noticing that when a long-term tape backup is running, it fails when we reboot one of the protected servers.
Is anyone else having this issue ? I assumed the long-term tape backup will be created from a disk-recovery point.

Hi,
What is the detailed error code in the properties of the failed initial replica or consistency check job ?
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

Snapshot rollup with Long term backup to Tape

I need to reconfigure the short term disk storage, and wanted to know if I create a Long Term backup to tape, does that
store or encompass all the "snapshot/short term" backups that I have on disk?
If so, I will be able to remove all my disk backups, reconfigure it as needed, and re-enable the short term backups without losing any of my historical backups. (For Legal reasons)
Thanks!
CCIE, CISSP, MCSE: Communication (Lync 2013), MCITP: Lync 2010, Enterprise Admin & Messaging ************************************************************************************************************************ Please remember to click “Mark as Answer”
on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question.

Hi,
No, Long term to tape are also "point in time" backups and if started now will only contain new recovery points. The ability to make backups of previous recovery points is not very easy, you basically need to restore a disk based RP to tape, unfortunately,
every restored recovery point to tape requires a separate tape.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

DPM 2012 R2 Long Term not backing up on correct day

Howdy,
I have created a Protection group w/both short and long term protections. The short term backup is to disk, Monday through Thursday, and the long term backup up is on Fridays to tape. (See images below) Seems simple enough, however for some reason the long
term Friday shows up on Thursday the same time the the short term backups are run. I didn't know that was possibly, but more importantly why is this happening?
I've done as much research as I can do on the web, I'm hoping someone here can weigh in. Thanks in advance.

Hi Janaka,
This is by design, all Long term tape backups are taken from the last successful disk based backup. In your case, your last disk based backup is Thursday, and no data has changed since then, so DPM will mount Thursdays disk based recovery point and
copy it to tape and the time of the recovery point will be the same as Thursday since the version of the data is exactly the same.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

Are long term backups created from short term tape full + incremental?

Does DPM use short term tape, Full + incrementals to create the long term Tape backups?
For example, if i run a short term to tape full with incremental against a computer with a 1 week retention then run a long term recovery point every 1 week for for 4 weeks and 1 recovery point every month for 6 months.
will all the long term RPs actually run a full backup or will they build one from the previous full plus incremental?
My question is two fold,
1. i am concerned about total long term storage
2. I am concerned about time needed to complete the full backup.
Thanks!

DPM doesn't support incremental backups to Tape. Tape Backups are always full.
Regards, Trinadh [MSFT] This posting is provided AS IS with no warranties, and confers no rights. If you found the reply helpful, please MARK IT AS ANSWER. Looking for source of information for DPM? http://blogs.technet.com/b/dpm/ http://technet.microsoft.com/en-in/library/hh758173.aspx

DPM 2010 Short and Long Term goals

My question is related to size restrictions.
Our existing DPM 2010 is setup with two protections groups, System State, and a Default (file) protection group. Both are set up the same. A co worker recently had to re-create a protection group due to his negligence and deleted it without looking at how
it was setup in the first place, since then I've been having errors in backing up to tape:
Synchronization frequency is set to just before recovery point
Short term goals are:
Recovery points are at 8:00 AM, 12:00PM, 6:00PM Everyday, Express Full is 8:00PM Everyday
Long term goals are:
Retention range 2 weeks, Frequency Weekly (1 recovery point every 1 week for the last 2 weeks)
Full backups are set to Saturday at 11:00 PM
Here's the thing, we have 3x3TB external drives that, historically have been swapped out weekly (Monday mornings, using Firestreamer for tape emulation). Since the co-worker broke, and re-created the protection groups, when we view DPM Console on Monday
morning, we see that the backup jobs are failing, the 3TB drive is full.
Could this 3TB drive be full due to this weekly swapping out when it is set to a retention range of 2 weeks? Obviously, it could be because the protection group actually contains that much data, but I'm trying to wrap my head around sync frequency, recovery
points and how that works into recovery goals.
Any help is appreciated.

Hi,
Right. After the registry key is added, all new recovery points written to tape will show they expire at midnight (12:00am) on they day they expire so any tape jobs that run later that day will be able to use that tape after the expiry
date.
To prevent tape jobs from failing because there are no tapes available, you can also add this registry value.
During a new tape backup or if a tape becomes full and there are no other tapes marked free, Free (contains data) or expired in the library, DPM will raise an alert to prompt for another free tape to continue backup. The same is true during a
restore, if the needed tape is not in the library an alert will be raised. By Default, DPM It will wait for
1 hour before failing the job.
This prompting timeout can be configured by the registry entry “PromptingTimeOut” under “HKLM\Software\Microsoft\Microsoft Data Protection Manager\1.0\Prompting”
PromptingTimeOut:REG_Dword:43200000 (dec) = 12hrs
The Formula is (#hrs * 1000 * 60 * 60)
1HR = 1*1000*60*60 = 3600000 decimal
So for each hour to wait, multiply by 3600000.
8hrs = 28800000 decimal
Restart the DPMRA service.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT] This
posting is provided "AS IS" with no warranties, and confers no rights.

Long-term retention backup strategy for Oracle 10g

Hello,
I need design a Archivelog, Level 0 and Level 1 long-term retention backup strategy for Oracle 10g, It must be based in Rman with tapes.
¿Somebody could tell me what it's the best option to configure long-term retention backups in Oracle?, "CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 1825 DAYS;" It's posibble ?
Regards and thanks in advance

Hello;
RECOVERY WINDOW is an integer so yes its possible. Does it make sense?
Later My bad, this is Oracle 11 only ( the gavinsoorma link ) . Getting harder and harder to think about 10. Don't think I would use RECOVERY WINDOW.
I would let the tape backup system handle the retention of your rman backups.
Using crosscheck and delete expired commands you can keep the catalog current with the available backups on tape.
Oracle 10
Keeping a Long-Term Backup: Example
http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmbackp.htm#i1006840
http://web.njit.edu/info/oracle/DOC/backup.102/b14191/advmaint005.htm
Oracle 11
If you want to keep 5 years worth of backups I might just use KEEP specific date using the UNTIL TIME clause :
keep until time 'sysdate+1825'More info :
RMAN KEEP FOREVER, KEEP UNTIL TIME and FORCE commands
http://gavinsoorma.com/2010/04/rman-keep-forever-keep-until-time-and-force-commands/
Best Regards
mseberg
Edited by: mseberg on Dec 4, 2012 7:20 AM

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We have data that we no longer need access to and want to archive it on tapes for long term storage.
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>
Won't an intelligent compression algorithm take care of a lot of the overhead for that?
>
That's certainly a valid point to make and one that the OP can test. And because the duplicated metadata is identical and in the same physical row location there may be compression algorithms that can reduce it to just one set.
There were two points I was trying to make.
1. Don't just save the data - save the metadata also.
2. The metadata for each row will be the same so if you use an INSERT format that duplicates it for every row you are potentially wasting a lot of space.
Your other point was probably more important than these or anything previously mentioned.
>
perform restores of the entire database every couple of years or so to make sure that your
database isn't degrading
>
Regardless of the format and media used to backup the data it is important to verify the integrity of the backup periodically.
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I have approximately one hundred 8 mm video cassette tapes that I would like to convert to another format for long term storage. I captured my first tape today from my camera Sony DCR VTR 520 which is a digital 8 mm camera. I was not planning to convert the files to DVDs at this time but just keep the avi file on the computer.   The video was just over 2 hours long but the file ends up being 27 GB.   I expecting it to be around 8 GB like a 2 hr DVD but I guess its not the same.
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What is the best media for long-term video storage?

I will be loading several MiniDV tapes into my Mac and want to store the video long-term (in a safe-deposit box). These are going to be home movies with some digital photos or scans as well.
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I considered getting one of the DVD recorder products from Sony (they say you can plug right into the camera, hit a button and get a DVD copy of the footage in real time)
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Extending Long-Term Protection (tape)

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