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When is a Backup Considered Successful?


When is a Backup Considered Successful?

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Steve-3_5_7_9
Steve-3_5_7_9
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Comments posted to this topic are about the item When is a Backup Considered Successful?



SAT_SQL
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Hi
It is a really a good Article for the biginers as like me . and good ideas u have given


Regards
ksr
Grant Fritchey
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Good article.

You could have carried it a bit further. Including RESTORE VERIFYONLY as a part and parcel of your backup routines adds to the overall confidence you have in your backups. You also didn't mention getting consistency checks in place to run before full backups to ensure what's being backed up is more likely to restore.

Still, this is important information to get out to people and you made a good start. Well done.

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Noel McKinney
Noel McKinney
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Good job mentioning the offsite tape testing. It's a good idea to get at least an annual test in the budget and make sure that the time to recovery doesn't increase over time. If it took 14 hours last year and takes 18 hours this year, then you need to analyze what happened in the chain... did someone forget where they had the contact information, were the restore instructions out-of-date because of server changes, etc.
OCTom
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Nice article. What good does a backup do if it can't be restored? None. A disaster is not the time to find your backup plan is useless.

I would also add figuring out the timings so you know how long it will take to get the tapes and do the restore. Let everyone know it so there are no expectations that can't be met. And, test it at the most inconvenient time to see how long it takes to get it from the offsite vendor.
Steve-3_5_7_9
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Thanks for the value added comments. They're all worth appending into the article.



alen teplitsky
alen teplitsky
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there is a constant tape/disk battle here and i've used both. i'll take tape any day over disk.

in the last 9 years i've seen less than 5 tapes go bad over time. in the same time i've seen servers and disk systems die a lot more often. and with disk if the disk dies than all backups on the disk are gone.

we backup all of our SQL to tape via netbackup and the database agents. works very nice. for periodic restores we do them to QA and once in a while we call back tapes from offsite and restore them as well
cy-dba
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Also, it's usually a good idea to run DBCC CHECKDB after restoring databases from backups.
alen teplitsky
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not sure about native SQL backups, but with Netbackup you can do page verification during the backup and restore if you have it set up on the database
Steve-3_5_7_9
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The RedGate backup will also validate the file.



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