Re: Make a backup only if necessary

From	Erland Sommarskog <esquel@sommarskog.se>
Newsgroups	comp.databases.ms-sqlserver
Subject	Re: Make a backup only if necessary
Date	2024-06-04 20:22 +0200
Organization	Erland Sommarskog
Message-ID	<XnsB187CF3F51482Yazorman@127.0.0.1> (permalink)
References	(3 earlier) <XnsB180CD77E5F89Yazorman@127.0.0.1> <20240529005233.d0405d2f6f826fd0e8ae0624@gmail.moc> <20240531135309.a107b0e4fc99f9659bed7d8c@g{oogle}mail.com> <XnsB18475BD5D7AYazorman@127.0.0.1> <20240602144320.325085f5f455d2f954cced20@gmail.moc>

Show all headers | View raw

Anton Shepelev (anton.txt@gmail.moc) writes:
>> you are also relying on that there are some rows left
>> around in the log after a write operation.  This is
>> something that could change over time.
> 
> Do you mean that in the future write operations may begin to
> clear the log?
> 

Since the log is truncated on checkpoint, the log could look empty.

Then again, if you track LSN:s you should be safe.


> I believe my situation is not unique, when there are many
> infrequently used databases and no requirement of a
> 15-minute backup granularity, so that keeping the simple
> recovery model and doing a backup /only/ when data has
> changed safes a log of resources.


Log of resources, hehe. :-)

Then again, following the normal routines saves quite a bit of
human resources.

Back to comp.databases.ms-sqlserver | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Make a backup only if necessary Anton Shepelev <anton.txt@g{oogle}mail.com> - 2024-05-27 12:59 +0300
  Re: Make a backup only if necessary Anton Shepelev <anton.txt@g{oogle}mail.com> - 2024-05-27 13:53 +0300
  Re: Make a backup only if necessary Erland Sommarskog <esquel@sommarskog.se> - 2024-05-27 22:43 +0200
    Re: Make a backup only if necessary Anton Shepelev <anton.txt@g{oogle}mail.com> - 2024-05-28 12:41 +0300
      Re: Make a backup only if necessary Erland Sommarskog <esquel@sommarskog.se> - 2024-05-28 20:11 +0200
        Re: Make a backup only if necessary Anton Shepelev <anton.txt@gmail.moc> - 2024-05-29 00:52 +0300
          Re: Make a backup only if necessary Anton Shepelev <anton.txt@g{oogle}mail.com> - 2024-05-31 13:53 +0300
            Re: Make a backup only if necessary Erland Sommarskog <esquel@sommarskog.se> - 2024-06-01 11:34 +0200
              Re: Make a backup only if necessary Anton Shepelev <anton.txt@gmail.moc> - 2024-06-02 14:43 +0300
                Re: Make a backup only if necessary Erland Sommarskog <esquel@sommarskog.se> - 2024-06-04 20:22 +0200
                Re: Make a backup only if necessary Anton Shepelev <anton.txt@g{oogle}mail.com> - 2024-06-05 17:15 +0300
                Re: Make a backup only if necessary Anton Shepelev <anton.txt@g{oogle}mail.com> - 2024-06-05 19:37 +0300

csiph-web