Is there a problem creating Diff Backups every hour instead of Logs and DIffs? Announcing the...
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Is there a problem creating Diff Backups every hour instead of Logs and DIffs?
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Restore all applicable files in a backup device in T-SQLRe-Run Backup Job in SQL AgentErrors restoring a differential backuponsite and offsite backup questionSQL Server Database Migration - Backup/Restore while Original DB still in ProductionSQL Server 2008 R2 differential backups much larger than expectedShould I create multiple maintenance plans to backup more than 200 User databasesCannot find reason why differential backups size reducedSQL Server Mirroring SetupWhat does WITH FORMAT do on a DIFFERENTIAL backup?
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So I have some databases ( 3 ) and they're not big. every Differential backup has like 50mb and then we have a full at midnight.
Is there a problem doing this?
I could make the full backup then logs, then diffs like 4 or 5 times a day, but storage is not a problem with this instance.
sql-server-2008-r2
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
add a comment |
So I have some databases ( 3 ) and they're not big. every Differential backup has like 50mb and then we have a full at midnight.
Is there a problem doing this?
I could make the full backup then logs, then diffs like 4 or 5 times a day, but storage is not a problem with this instance.
sql-server-2008-r2
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
add a comment |
So I have some databases ( 3 ) and they're not big. every Differential backup has like 50mb and then we have a full at midnight.
Is there a problem doing this?
I could make the full backup then logs, then diffs like 4 or 5 times a day, but storage is not a problem with this instance.
sql-server-2008-r2
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
So I have some databases ( 3 ) and they're not big. every Differential backup has like 50mb and then we have a full at midnight.
Is there a problem doing this?
I could make the full backup then logs, then diffs like 4 or 5 times a day, but storage is not a problem with this instance.
sql-server-2008-r2
sql-server-2008-r2
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
asked 5 hours ago
Racer SQLRacer SQL
3,12142566
3,12142566
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
Storage is not why you take log backups. You take log backups when the database is in full recovery model, and you need point-in-time recovery between full or incremental backups.
If your business can afford only 1 hour of lost data, then I'd typically setup nightly full backups for smaller databases, with log backups every 30 minutes during business hours (or even 24-hours per day).
If you have the database in simple recovery model, and each database is only a couple of hundred megabytes, you could simple take full backups every hour, or half hour.
Essentially, the decision comes down to answering these questions:
- What is my recovery point objective?
- What is my recovery time objective?
See Wikipedia for great details about what those two things actually mean.
If you're storing high-value, business-critical data in those databases, you should understand log backups, and the transaction log and recovery in general, to avoid being in a situation where you're unexpectedly missing data, or down for an extended period of time.
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
Hey thanks Max. But that's my question. I can lost 1 hr of data. thats no problem, that's why I'm creating all of them diffs ( I'm using full recovery mode ). Then I can restore only the ful + diff , instead of full + log + log + log + log + log + log + log + diff..
– Racer SQL
4 hours ago
add a comment |
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1 Answer
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Storage is not why you take log backups. You take log backups when the database is in full recovery model, and you need point-in-time recovery between full or incremental backups.
If your business can afford only 1 hour of lost data, then I'd typically setup nightly full backups for smaller databases, with log backups every 30 minutes during business hours (or even 24-hours per day).
If you have the database in simple recovery model, and each database is only a couple of hundred megabytes, you could simple take full backups every hour, or half hour.
Essentially, the decision comes down to answering these questions:
- What is my recovery point objective?
- What is my recovery time objective?
See Wikipedia for great details about what those two things actually mean.
If you're storing high-value, business-critical data in those databases, you should understand log backups, and the transaction log and recovery in general, to avoid being in a situation where you're unexpectedly missing data, or down for an extended period of time.
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
Hey thanks Max. But that's my question. I can lost 1 hr of data. thats no problem, that's why I'm creating all of them diffs ( I'm using full recovery mode ). Then I can restore only the ful + diff , instead of full + log + log + log + log + log + log + log + diff..
– Racer SQL
4 hours ago
add a comment |
Storage is not why you take log backups. You take log backups when the database is in full recovery model, and you need point-in-time recovery between full or incremental backups.
If your business can afford only 1 hour of lost data, then I'd typically setup nightly full backups for smaller databases, with log backups every 30 minutes during business hours (or even 24-hours per day).
If you have the database in simple recovery model, and each database is only a couple of hundred megabytes, you could simple take full backups every hour, or half hour.
Essentially, the decision comes down to answering these questions:
- What is my recovery point objective?
- What is my recovery time objective?
See Wikipedia for great details about what those two things actually mean.
If you're storing high-value, business-critical data in those databases, you should understand log backups, and the transaction log and recovery in general, to avoid being in a situation where you're unexpectedly missing data, or down for an extended period of time.
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
Hey thanks Max. But that's my question. I can lost 1 hr of data. thats no problem, that's why I'm creating all of them diffs ( I'm using full recovery mode ). Then I can restore only the ful + diff , instead of full + log + log + log + log + log + log + log + diff..
– Racer SQL
4 hours ago
add a comment |
Storage is not why you take log backups. You take log backups when the database is in full recovery model, and you need point-in-time recovery between full or incremental backups.
If your business can afford only 1 hour of lost data, then I'd typically setup nightly full backups for smaller databases, with log backups every 30 minutes during business hours (or even 24-hours per day).
If you have the database in simple recovery model, and each database is only a couple of hundred megabytes, you could simple take full backups every hour, or half hour.
Essentially, the decision comes down to answering these questions:
- What is my recovery point objective?
- What is my recovery time objective?
See Wikipedia for great details about what those two things actually mean.
If you're storing high-value, business-critical data in those databases, you should understand log backups, and the transaction log and recovery in general, to avoid being in a situation where you're unexpectedly missing data, or down for an extended period of time.
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
Storage is not why you take log backups. You take log backups when the database is in full recovery model, and you need point-in-time recovery between full or incremental backups.
If your business can afford only 1 hour of lost data, then I'd typically setup nightly full backups for smaller databases, with log backups every 30 minutes during business hours (or even 24-hours per day).
If you have the database in simple recovery model, and each database is only a couple of hundred megabytes, you could simple take full backups every hour, or half hour.
Essentially, the decision comes down to answering these questions:
- What is my recovery point objective?
- What is my recovery time objective?
See Wikipedia for great details about what those two things actually mean.
If you're storing high-value, business-critical data in those databases, you should understand log backups, and the transaction log and recovery in general, to avoid being in a situation where you're unexpectedly missing data, or down for an extended period of time.
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
answered 5 hours ago
Max VernonMax Vernon
52.4k13115232
52.4k13115232
Hey thanks Max. But that's my question. I can lost 1 hr of data. thats no problem, that's why I'm creating all of them diffs ( I'm using full recovery mode ). Then I can restore only the ful + diff , instead of full + log + log + log + log + log + log + log + diff..
– Racer SQL
4 hours ago
add a comment |
Hey thanks Max. But that's my question. I can lost 1 hr of data. thats no problem, that's why I'm creating all of them diffs ( I'm using full recovery mode ). Then I can restore only the ful + diff , instead of full + log + log + log + log + log + log + log + diff..
– Racer SQL
4 hours ago
Hey thanks Max. But that's my question. I can lost 1 hr of data. thats no problem, that's why I'm creating all of them diffs ( I'm using full recovery mode ). Then I can restore only the ful + diff , instead of full + log + log + log + log + log + log + log + diff..
– Racer SQL
4 hours ago
Hey thanks Max. But that's my question. I can lost 1 hr of data. thats no problem, that's why I'm creating all of them diffs ( I'm using full recovery mode ). Then I can restore only the ful + diff , instead of full + log + log + log + log + log + log + log + diff..
– Racer SQL
4 hours ago
add a comment |
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