5
votes
2answers
61 views

Avamar SQL Agent running against live SQL Server databases

We use a large company as our service provider. The tech people from that service company are pushing very hard to install something called the Avamar SQL Agent which purportedly will be used to ...
3
votes
1answer
41 views

Tail Log backup when doing a restore?

Typically when doing a restore of a DB from a production server to a non-production server I will use the WITH REPLACE option as when I forget I get an error about the tail log not being backed up. ...
4
votes
3answers
385 views

Why does transaction log continue to grow in Simple recovery mode with nightly backups

Before immediately marking as duplicate, I have read Mike Walsh's Why Does the Transaction Log Keep Growing or Run Out of Space?, but I don't think it gave an answer to my situation. I looked through ...
2
votes
0answers
49 views

Issue shrinking dev sql server DB's log file

I have a development db that's running on sql 2014 in 2012 compatibility that I'm having an issue with trying to shrink the log file. The mdf is 60+gb and the log is 80+gb but since it's dev like ...
0
votes
0answers
19 views

Maintenance Plan Transaction Log Backup

I have a backup device set for my transaction log so the sets are contained in 1 file. I have this set to append, is this correct or should it be overwrite in the plan? After the full backup is taken ...
0
votes
1answer
40 views

How to deal with very large transaction logs in SQL Server

Here is my situation: I have being asked to deal with a SQL Server 2008 R2 database that has a transaction log that is several times bigger than the database itself. The database is in full recovery ...
0
votes
0answers
105 views

Transaction log full due to log_backup

I am testing how certain operations are logged under different recovery models.Below are steps i have did till now 1.create database in full recovery model 2.take backup 3.create a table and insert ...
1
vote
2answers
83 views

Fixing an error 9004 without taking the database offline

My database (SQL Server 2008 r2) is running fine but I’m getting the following error in my event log. Error: 9004, Severity: 23, State: 6. An error occurred while processing the log for database ...
4
votes
1answer
60 views

Differential/T-Log LSN question

So, this is now my third question on this topic. I just keep finding more and more than i want to know and understand about how FULL recovery works. We transitioned a database to FULL yesterday by ...
1
vote
1answer
73 views

Restore Verify Only w/ Transaction Log Backups

Question When RESTORE VERIFY ONLY on a transaction log backup fails, what do you do? Background After FULL and DIFFERENTIAL backups, I run RESTORE VERIFY ONLY on the backup file(s). This rarely ever ...
0
votes
2answers
70 views

Open Transaction that won't go away SPID Ns

There is a transaction that has been open on this instance since it was restarted and is preventing us from clearing the ldf. Here is the transaction information: Transaction information for ...
3
votes
3answers
123 views

Log File Management - Space on Disk

At our organisation we have several non-Production environments where Developers run free and wild with TSQL code and databases. The DBA team do not normally monitor or maintain them. Recently several ...
1
vote
1answer
56 views

Dealing with large transaction logs in a cluster

Disclaimer: I'm a dev, not a DBA. I've gleaned what I can from MSDN, but could do with some expert guidance! I'm working with a SharePoint 2013 installation on a SQL Server 2012 cluster of two DB ...
4
votes
3answers
140 views

Virtual Log Files (VLFs) Fragmentation

I have a database with 160 VLFs. How do I determine whether the VLFs are fragmented? Further, how do I find the percentage of fragmentation? Another thing that I want to confirm: Are the following ...
-2
votes
1answer
66 views

Non- Logged operation [closed]

I want to run a non-logged operation with changing the recovery model of a SQL Server database. Is their any way to do this?
2
votes
2answers
130 views

How to do a one-time log shrink on a database with transactional replication

I have inherited a 10 GB database with an 80 GB log [only 3% in use according to DBCC SQLPERF(logspace)]. It seems safe to assume the extreme log growth was due to problems from long before I was ...
5
votes
4answers
214 views

Only do log backup if necessary in SQL Server

We have transaction log backups taken every few minutes from many databases. Is there a way to determine if there were any committed transactions since the last backup and only then do a log backup? ...
2
votes
3answers
489 views

Multiple Transaction Log files and performance impact

So I've gotten into an argument with several people regarding the number of transaction log files a give databases should have. I've seen several post saying you should only have 1 transaction log ...
1
vote
1answer
67 views

Database never maintained

Just moved from wrong forum i paste here my question: I just got a new client recently migrated from SQL Server 2000 to SQL Server 2005 due to vendor application limitation to new releases. Vendor ...
1
vote
1answer
185 views

Delete log to increase DB space?

I'm running SQL Server 2008 Express and hitting the 4GB size wall. I'd like to make some space to give me time before i migrate to a larger DB. I don't need my transaction log. So, can i delete ...
3
votes
1answer
87 views

Storing Tlogs and data files on the same drive

I'm looking for some clarification of various things I've read. I understand it to be best practice to store your transaction logs on a separate drive (spindle) than where you MDFs and NDFs are ...
2
votes
3answers
531 views

What are the most effective techniques to reduce SQL Server disk space use when updating all rows in a very large table?

Given a SQL Server table with a large number of rows no columns with large-value data types multiple indexes more allocated space than available for the largest possible transaction log size a ...
5
votes
3answers
756 views

Encountered unexpected growth Transaction log file size

We are using SQL Server 2008 R2 Standard version, we created Maintenance plan Rebuild Index, Reorganized Index and update Statistic , Scheduled Every day at 1 AM. After Executing this Maintenance ...
2
votes
1answer
38 views

Transaction Log Backups on SQL Server

Running SQL2008 R2 SP2, database is in FULL Mode Is it Possible to shrink the transaction log without putting it into SIMPLE mode? Temporarily cannot take log backus and don't want it to grow until I ...
3
votes
1answer
256 views

How to pinpoint root cause of excessive log file growth

The log file stays pretty small (~500MB) until about 11PM, and at that point it begins growing until no disk space is available. The log file reached it's maximum size at 12:39AM, so the growth took ...
1
vote
1answer
124 views

SQL SERVER Virtual Log Files

I am new to SQL SERVER, could anyone please explain that why do we have VLFs' in T-LOG and why not have 1 T-log itself. I am aware that VLFs' are logical but my question is why VLFs'? what is the ...
6
votes
1answer
77 views

TEMPDB Log Files [duplicate]

Do I want to store the tempdb log files on the same drive as my user database log files, the same drive as the tempdb data file, or on a separate drive?
0
votes
1answer
67 views

Audit SQL Server database transactions

I found some column values have been changed on a table, I need to view when and who made these changes. I tried to read the transaction log backup file, but I didn't understand it and cannot find ...
-2
votes
1answer
153 views

Why do I need Transaction logs at all [closed]

We use Microsoft SQL Server as a repository of images and data about those images. We record in real time and never care about recovery. If the database slows down and can't handle the number of ...
0
votes
2answers
79 views

Copying a restoring database in SQL Server 2012

I've got two SQL Servers, one of these servers (Server A) is backing up transaction logs on some database and uploading them to the other (Server B). Unfortunately I have no access to Server A, I ...
3
votes
2answers
284 views

Missing Transaction log in chain, Possible to skip

We have had one of our clients SQL Servers crash and need to restore it to the most recent possible time. We have a full backup from Monday and transaction logs that run every hour up until this ...
4
votes
1answer
688 views

Optimising a query against sys.fn_dblog

Looking for assistance improving a query. This query is used to review the last N transactions in the LDF file and then add some useful information like the user, start time, query text, etc.. Here ...
1
vote
0answers
148 views

Log shipping on secondary server

Log shipping fails with the below error. Sql agent on secondary server has access to the folder and files in security. It is not a firewall issue. I created the jobs using the LS scripts as it fails ...
3
votes
0answers
142 views

Why are we suddenly getting time-outs on multiple transactions? [closed]

Two days ago the transaction log filled up and my user's couldn't update or insert. One of my techs truncated the log, shrank the db, then did a full backup. The next day (Monday) we noticed that ...
1
vote
2answers
3k views

How to Fix log_reuse_wait_desc=LOG_BACKUP? LOG Backup not possible

I checked sys.databases to find out which databases need LOG backups. It surprised me that I had quite a few where log_reuse_wait_desc=LOG_BACKUP meaning, the JOB I have set up to run LOG backups on ...
1
vote
1answer
359 views

Securely deleting data from SQL Server logs

Is there a good way to purge data from a particular DB's *.LDF? A little background... I'm a SysAd, not a DBA. I'm running SQL Server 2008 R2 for one of my applications and I'm not particularly ...
0
votes
2answers
80 views

Rebuilding index

I have a transaction database and one of nightly job is to rebuild indexes that followed by a log backup and then shrink the log. Is this safe to do so ? Thanks Antony
2
votes
1answer
719 views

DBCC loginfo contains thousands of VLF entries with status 2

I've inherited this huge SQL Server 2000 prod database and suddenly the transaction log ran out of space. The transaction log gets backed up every hour but I think over the weekend some existing jobs ...
1
vote
1answer
490 views

How to flush SQL Server database from RAM to hard disk?

As part of the nightly maintenance plan, my working MS SQL Server 2012 databases are backup-ed with options of simple recovery and full backup. Transaction log is not backup-ed. Also, at nights the ...
1
vote
1answer
219 views

Cannot shrink transaction log

Bit of a headscratcher here. I have a db that has less than 1GB of data, but a 40GB log file. Transaction logs are backed up daily, and there is not a lot of activity on this database; approximately ...
0
votes
2answers
278 views

Is an AWS SQL Server RDS “log capture” the same as a transaction log backup?

When an SQL Server RDS instance provided by Amazon is configured for a recovery model using Full transaction logging, will the transaction log be trimmed by the "transaction log capture" that Amazon ...
5
votes
2answers
333 views

Two Different Sources Taking Transaction Log Backups

I have inherited a database server with SQL Server 2005. The databases have full recovery mode with hourly transaction log backups. There are two sources taking full backups overnight and hourly ...
2
votes
2answers
130 views

Large number of VLF and shrinking the log

If there are lot number of VLF then it will effect the performance of the queries. I saw that solution is to shrink the log file. But shrinking the file is also bad. So how to take control of whole ...
10
votes
2answers
1k views

SQL Server transaction log backups: test whether tail log follows last known log backup

We are using SQL Server with full recovery mode. Given a full backup and a series of log backups, we would like to be able to check whether the log chain is complete from the last full backup to the ...
3
votes
1answer
552 views

How to troubleshoot db/app latency during transaction log backup

I have an application that uses a SQL server (2008 R2) database and we are periodically having performance problems with the application and it coincides with our 15-minute transaction log backups. ...
5
votes
1answer
186 views

My log file is large, what should I do? [duplicate]

My transaction log is larger than I'd like it to be, and I want to know how I can fix that.
9
votes
1answer
604 views

How important are transaction log VLFs for performance?

How important are VLFs when considering database performance? What would describe an optimal situation for VLFs?
1
vote
1answer
311 views

Sneaky rollback in SQL Server 2008 R2

Is it possible for an entire set of committed transactions to be rolled back in SQL Server 2008 R2 without any notification or logging anywhere? We had a set of data apparently get rolled back this ...
3
votes
2answers
3k views

Difference between Full backup and Copy-only full backup

I saw in this link that full backup does not truncate the log. So what is the difference between full backup and copy-only full backup? For the log backup there is copy-only backup which prevent the ...
3
votes
3answers
2k views

Transaction Log maintenance when switching to Simple Recovery

Background: I recently inherited 50+ SQL Servers with 450+ databases. The nightly backups are roughly 8TB and, needless to say, we're using more disk space than we'd like. All of the databases are ...