AlwaysOn and Datbase Backups

I understand that setting backups to run on the secondary takes the load off the primary but what is the downside of this approach?
If one does a copy only backup on the secondary how does this impact doing a restore where you the system points automatically to the latest backup and the log backups since that backup?
Is this documented anywhere?

http://msdn.microsoft.com/en-us/library/hh710053.aspx
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
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  • While taking backup of Archive and datbase.

    Dear All
    I have production server 4.6c on windows 2000 server. Database is oracle.
    My problem is backup (Brarchive Redolog and Database Backup).
    I am unable to take both type of backup. Error log is bellow.
    Please help me out.
    BR002I BRARCHIVE 6.20 (135)
    BR006I Start of offline redo log processing: aeaohozy.cds 2009-05-13 11.22.18
    BR101I Parameters
    Name                           Value
    oracle_sid                     P01
    oracle_home                    C:\ORACLE\P01\920
    oracle_profile                 C:\ORACLE\P01\920\DATABASE\initP01.ora
    sapdata_home                   D:\oracle\P01
    sap_profile                    C:\ORACLE\P01\920\DATABASE\initP01.sap
    backup_dev_type                tape
    compress                       hardware
    tape_copy_cmd                  dd
    cpio_flags                     -ovB
    cpio_in_flags                  -iuvB
    dd_flags                       bs=32k
    dd_in_flags                    bs=32k
    rewind                         mt -f $ rewind
    rewind_offline                 mt -f $ offline
    tape_size                      70000.000 MB
    tape_address                   /dev/nmt0
    tape_address_rew               /dev/mt0
    volume_archive                 P01A23
    expir_period                   20
    tape_use_count                 100
    system_info                    P01adm SAPPR1 Windows NT 5.0 Build 2195 Service Pack 4 Intel
    oracle_info                    P01 9.2.0.6.0 8192 3 242759136
    sap_info                       46C SAPR3 P01 V1630189933 R3_ORA 0020099301
    make_info                      NTintel OCI_920_SHARE Apr  4 2005
    command_line                   C:\USR\SAP\P01\SYS\EXE\RUN\brarchive.exe -cds -p initP01.sap -c -l E -d tape -v P01A23 -k hardware -U
    BR280I Time stamp 2009-05-13 11.22.43
    BR008I Offline redo log processing for database instance: P01
    BR009I BRARCHIVE action ID: aeaohozy
    BR010I BRARCHIVE function ID: cds
    BR048I Archive function: copy_delete_save
    BR011I 2 offline redo log files found for processing, total size 59.999 MB
    BR113I Files will be compressed by hardware
    BR130I Backup device type: tape
    BR102I Following backup device will be used: /dev/nmt0
    BR103I Following backup volume will be used: P01A23
    BR126I Unattended mode active - no operator confirmation required
    BR208I Volume with name P01A23 required in device /dev/nmt0
    BR280I Time stamp 2009-05-13 11.22.43
    BR226I Rewinding tape volume in device /dev/mt0 ...
    BR351I Restoring E:\ORACLE\P01\SAPREORG\.tape.hdr0
    BR355I from /dev/nmt0 ...
    BR241I Checking label on volume in device /dev/nmt0
    BR280I Time stamp 2009-05-13 11.22.51
    BR226I Rewinding tape volume in device /dev/mt0 ...
    BR202I Saving E:\ORACLE\P01\SAPREORG\.tape.hdr0
    BR203I to /dev/nmt0 ...
    BR209I Volume in device /dev/nmt0 has name P01A23
    BR202I Saving init_ora
    BR203I to /dev/nmt0 ...
    BR202I Saving C:\ORACLE\P01\920\DATABASE\initP01.sap
    BR203I to /dev/nmt0 ...
    BR280I Time stamp 2009-05-13 11.23.06
    BR198I Profiles saved successfully
    BR202I Saving D:\oracle\P01\saparch\P01archARC00001.001
    BR203I to /dev/nmt0 ...
    BR266E Program 'dd bs=32k conv=sync if=D:\oracle\P01\saparch\P01archARC00001.001 of=/dev/nmt0' interrupted, exit status: c0000005
    BR272E Execution of program 'dd bs=32k conv=sync if=D:\oracle\P01\saparch\P01archARC00001.001 of=/dev/nmt0' through pipe failed
    BR222E Copying D:\oracle\P01\saparch\P01archARC00001.001 to/from /dev/nmt0 failed due to previous errors
    BR016I 0 offline redo log files processed, total size 0.000 MB
    BR007I End of offline redo log processing: aeaohozy.cds 2009-05-13 11.23.09
    BR280I Time stamp 2009-05-13 11.23.09
    BR005I BRARCHIVE terminated with errors
    Thanks
    Hemant

    Hi..
    I think error is in the dd program and named pipe used by it.
    BR266E Program 'dd bs=32k conv=sync if=D:\oracle\P01\saparch\P01archARC00001.001 of=/dev/nmt0' interrupted, exit status: c0000005 BR272E Execution of program 'dd bs=32k conv=sync if=D:\oracle\P01\saparch\P01archARC00001.001 of=/dev/nmt0' through pipe failed BR222E Copying D:\oracle\P01\saparch\P01archARC00001.001 to/from /dev/nmt0 failed due to previous errors
    Just try to save a test file to a scratch tape by using command
    dd bs=32K conv=sync if=D:\<some_test_file>
    see http://linux.about.com/od/commands/l/blcmdl1_dd.htm  for more information.
    if it get executed then again try to archive logs,   Otherwise i would suggest to restart the server and try again.
    Regards,
    Abhimanyu

  • I backup my iphone on my pc and copy backup file into drive D then i setup new OS on my pc. after that i copy the backup file into itunes backup folder but itunes can't find the backup file to restore my iphone. how can i restore my iphone?

    i backup my iphone on my pc and copy backup file into drive D then i setup new OS on my pc. after that i copy the backup file into itunes backup folder but itunes can't find the backup file to restore my iphone. how can i restore my iphone?

    Don't you just love changes in interfaces?
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  • I have deleted hundreds of pictures, I've deleted apps, deleted emails and texts, and I've turned off and deleted backups of apps on icloud and it is still telling me that there is not enough icloud storage available for my phone to be back

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    This article explains ways to reduce your iCloud storage: Managing your iCloud storage.  In addition to what's mentioned in the article, if you have lots of photos and videos attached to your text messages, these are all included in your iCloud backup and deleting them can sometimes significantly reduce the size of your backup.
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  • When I tried to update my iPhone 5s to iOS 8.1, I was forced to choose to restore or back up.  Back up wasn't working so I had no choice but to restore.  I lost pictures over the last two years.  Cloud and iTunes backup are not working for me.  Help!

    How can I retrieve photos when it says my cloud and iTunes backups are empty or not backed up?
    When I tried to update my iPhone 5s to iOS 8.1, I was forced to choose to restore or back up.  Back up wasn't working so I had no choice but to restore.  I lost pictures over the last two years.  When I tried my cloud, there was nothing.  I would get notifications that my cloud was full, but I thought there would at least be some photos in there.  When I tried to restore a back up, it said the last time was two years ago.  I thought when you're on wifi, it automatically backs up.  I've charged my iPhone into my Macbook a bunch of times, so something should have backed up.  Is there any hope for my photos?

    Sorry no backup - no pictures.
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    iCloud: iCloud storage and backup overview
    When your phone was connected to your computer, you should've seen an autoplay which would've allowed you to import your pics to your computer as you would a digital camera Import photos and videos from your iPhone, iPad, or iPod touch to your Mac or Windows PC - Apple Support

  • What would happen if I turn off my backup and delete backup data From my device? Will it delete my music and everything for ever or just stay in the cloud but not on my device?

    What would happen if I turn off my backup and delete backup data From my device? Will it delete my music and everything for ever or just stay in the cloud but not on my device?

    If you have multiple devices backing up to the Cloud, you will see all of them listed. You would click on each device to change what is backed up from that device. You can then delete your individual back-ups.
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  • RDS 2012 R2 - How do I lockdown access to Local Computer Management and Windows Backup via Group Policy

    Greetings all,
    I am needing assistance in how to lockdown access to Local Computer Management and Windows Backup via Group Policy for users that access RDS service. I have followed this awesome guide - h t t p://w w w.it.ltsoy.com/windows/lock-down-remote-desktop-services-server-2012/
      - but it is missing two important resources that I would like to lock down.Currently, I have successfully locked down Control Panel for users via Group Policy, but I cannot find any group policy or guide on how to restrict user access
    to Computer Management (different to Server Manager). When using Win-X shortcut to open the 'Administrator's shortcuts' near the windows icon, I have locked down everything except Computer Management. Computer Management gives direct access to Disk Management,
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    Terry.

    Prevent running of Windows Server Backup
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  • By backing up the iTunes Library via saving the iTunes folder on an external drive, is it also backing up all iPad and iPhone backups as well as App Data and Documents from your devices?

    If I backup my iTunes Library by saving the iTunes folder on an external hard drive using the instructions contained in the link below, will it also back up all my iPad and iPhone backups as well as App Data and Documents from my devices? In other words, will it also create backups for the backups? Thank you.
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    Furthermore, when it is time to restore the iTunes folder I copied to my external drive to a new iTunes program on my new computer, how will it merge the information once I plug in my iPad or iPhone to that new laptop to sync? If I did the iTunes library backup a couple months ago and I've added documents/music/pictures on my devices since then, what will happen when I try to sync it with the new laptop now working off of the iTunes library backup from a couple months ago since the information is no longer the same? Which information will dominate and thus be kept? Will it delete the new information/data/pictures/documents/music off of the devices since it is not on the iTunes program when it syncs?
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  • Hello people, I lost all my contacts on my iPhone. Facebook contacts integration is turned off. When I got to know that I have no contacts on my iPhone. I checked my settings and iCloud backup and contacts on iCloud (in settings) were off. Is there a solu

    hi me kashif Hello people,
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    Unless as part of a backup, or stored somewhere else, they are gone.
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  • How to configure Time Capsule etc as a local network server with remote access server and for backups

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    But when you say 'So using USB drive does make sense if you want to use it as a file store', do you mean a USB drive plugged into the TC? I hope that I can attach an external drive to the TC so we can all access and read/write the content wirelessly via the TC network or remotely.
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    Yes, that is fine. Sorry I got the impression you were going to do backup over internet.
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    A mini would be great.. you don't need server edition.. but I would see how the TC goes.. since you have it and it is much lower power consumption device. It is just that its design is not really for file storage.
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    The security is a bit tricky.. I must admit since I run windows computer in the network, that I simply turn on the guest account to read and write access. For a business setup that might not be adequate  but it allows me full access to all the files.
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  • REDUNDANCY and Level1 backups

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    Backup Type -- Differential Incremental Backup
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    Tuesday
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    REDUNDANCY applies to the ability to recover the full database.
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    Message was edited by: seanmcgu
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