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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
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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
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active
oldest
votes
active
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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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