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 log shipping

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thaniparthi.rao
Yak Posting Veteran

96 Posts

Posted - 2008-04-07 : 07:13:12


In log shipping the transaction logs backups are scheduled for every 15 min. If we took some manual transaction log backup on the primary server in the meantime. As a result of this operation will it effect log shipping or log shipping will fail because of the logs are not in the right sequence.

sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2008-04-07 : 09:14:12
Why you have to take transaction log backups when they are backed up every 15 minutes? You have to manually restore in secondary server.
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rmiao
Master Smack Fu Yak Hacker

7266 Posts

Posted - 2008-04-07 : 23:44:42
If you backup log by running log shipping job manually, file copy job will copy it along with normal log backup file at next scheduled time. And log restore job will restore them as well.
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sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2008-04-07 : 23:57:38
But have to backup in Same shared folder.
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thaniparthi.rao
Yak Posting Veteran

96 Posts

Posted - 2008-04-08 : 05:43:51
Suppose if i want to implement log shipping as well as backup strategy.
Backup strategy every night full backup.
every 4 hours differential backup.
every half nour transactional backup.
In log shipping every 15 min backup jobs are running and they are located on a shared folder.
Will this possible or they contradict each other ( because in log shipping for every 15 min we are taking t-log backups and in backup strategy we are taking t- log back ups for every 30 min) . is it possible.

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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-04-08 : 13:24:37
You can not run a transaction log backup outside of the log shipping job or you'd have to manually apply it to the secondary server. Even if you put it in the same shared folder, log shipping will not copy and apply it to the secondary server. All tlog backups must occur through the log shipping transaction log backup job. Otherwise you will break log shipping.

There is really no point to creating a different backup strategy though as log shipping is your backup strategy. In the LS plan, have it perform a full backup daily.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/
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