Questions tagged [filegroups]

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1answer
63 views

Multiple mdf, empty one is missing

Hi guys i have a big problem. I know i did such stupid and unforgivable mistake. And know please help me if you can. I wanted to make copy of database. I should make it by backup and then restore as ...
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1answer
132 views

How to remove the duplicate records from primary filegroup after partitioning?

Basically, our database is created based on primary filegroup alone. Now, I have done partitioning for a large table which was approx 25 GB. The partitioning was done on secondary filegroups which ...
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1answer
105 views

Reducing .mdf file size

I have a drive, :d, in my server where I have my .mdf file stored and now all of a sudden I notice that the drive :d has no space left. When I checked the .mdf file of the database demo1, it is 1.6TB ...
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0answers
15 views

Transactional Replication and distribution database size

I have a transactional replication set up with initialize from backup. In the secondary database server,i have a drive(d:) for data files alone. I have noticed that this drive is getting filled and i ...
2
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2answers
85 views

Moving all Heap Tables to another Filegroup in SQL Server

In SQL Server 2017, I want to move ALL Heaps in a DB to a secondary filegroup. What's the easiest way to do this? This question is only for Nonclustered Indexes. https://stackoverflow.com/questions/...
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1answer
3k views

Benefit of filegroups and setting filegroups to read-only

Can someone cite me a real world scenario on when changing multiple filegroups to read-only is a good option and when to use them? What benefits are there if you set it to read-only? On a database ...
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2answers
199 views

Automatically have Nonclustered indexes in a Different Filegroup

Is there a way to automatically move clustered indexes A on one filegroup, and all nonclustered indexes to a different filegroup B upon DDL creation? We have developers constantly creating tables/...
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2answers
49 views

What is the impact on the Cost-Based Optimizer (CBO) when implementing ISCSI SAN solid-state drives

A Microsoft Technet article recommends creating a secondary file group as the default file group (see reference below). The secondary file group should have a number of files, say four, that are each ...
2
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1answer
40 views

Secondary filegroup for Full Text Index only - rebuild when lost

Here's our config: We have all our data in PRIMARY file group We have our Full Text Index in another SECONDARY file group which resides on a very fast (but very unreliable) SSD drive. By "unreliable" ...
15
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2answers
283 views

Columnstore Index in read_only filegroup prevents CheckDB

It appears setting a filegroup to read_only prevents dbcc checkdb for the entire database if the filegroup contains a columnstore index. When attempting to run checkdb or checkfilegroup (for any ...
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0answers
58 views

how to backup, remove and then restore a filegroup of a partitioned table

Continuation of the question "Archiving SQL Server data on disk to be pottentially restored". I'm still looking for a way to archive data per month which can easily be restored... I'm in the ...
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0answers
195 views

Default filegroup, specified in the SQL Server CREATE INDEX statement, is ignored (ON [DEFAULT] storage clause)

Am I missing something? Documentation clearly states, that: ON "default" Applies to: SQL Server 2008 through SQL Server 2017 and Azure SQL Database. Creates the specified index on the ...
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2answers
39 views

What happens when one of the filegroup is full within SQL server

Just a basic question due to my lack of understanding on how below works: For one of the databases around 1 TB in size we have 8 file groups with multiple files added to them. Now for one of the FG ...
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0answers
20 views

Filegroup per Table partition - remove filegroup and re-add filegroup

I've seaching all over the web for a solution, if it is even possible... I'm not a savvy in Partitioned tables in different filegroups... Our software is supported by SQL 2008 R2 SP2 to SQL 2017 for ...
1
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1answer
22 views

File Group Association while Snapshop Replication

I want to know how can I save filegroup structure during snapshop replication in SQL Server? Does this property solve my problem? I want the same filegroups in publishers be created in the subscriber. ...
8
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1answer
700 views

SQL Server Updated Record on Read-Only Filegroup?

I have a very large database in our data warehouse where we have implemented partitioning to manage maintenance and backups. Records of a certain age are eventually migrated to a read-only file group ...
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1answer
53 views

SQL server - Re. Filegroup / partitioning

Assuming VLDB is split into multiple file groups, each having its own file and on a separate disk. Now let's say there is a disk crash bringing down one of the file groups - then will the other parts ...
5
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1answer
356 views

How to specify the exact .ndf file on a filegroup to save a table in?

I have a filegroup(not the primary one) which contains two different .ndf files, for example a1.ndf and a2.ndf. Now I want to create a table and I want my table to be saved in a2.ndf file not a1. Is ...
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1answer
311 views

MS SQL Server does not create tables in a specified filegroup [closed]

I have three filegroups in my database: Default is TERTIARY. Now I want to create table on PRIMARY and it shows the following error Incorrect syntax near the keyword 'primary'. create table tb1 ( ...
8
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2answers
2k views

Cannot remove filegroup with no files associated

I am experiencing some odd error messages on SQL Server 2017 CU3. I am migrating databases and reorganising filegroups. By "reorganising" I mean that I use a stored procedure which creates a partition ...
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1answer
337 views

How to remove secondary file group

We have a SQL Server database with two filegroups; PRIMARY and SECONDARY, with a single file in each file group. All the clustered indexes are stored in the secondary filegroup. How can we remove ...
2
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2answers
778 views

How to restore a file group from file group backup?

I want to restore a specific file group from file group backup. I found examples how to restore it from full backup, but I want to do it from file group backup. Every time when I try, all of the files ...
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2answers
102 views

Backup of FileGroups Including Primary

I want to back up my DB. I have some huge tables in some specific FileGroups which I want to exclude them to be getting backup. I have tried this script: BACKUP DATABASE TestDB FILEGROUP = '...
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0answers
40 views

How does the data move within a filegroup for its respective secondary data files

I am confused or do not have better understanding on how SQL works in below scenario and need some views: For a database X, we have a FILEGROUP named FG which has 4 data files tagged to it as below ...
4
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1answer
399 views

Where does SQL Server store symmetric keys?

I am wondering if symmetric keys created in particular database are being stored in the primary file group? Or they are stored in some special file group which the user is not able to interact with? ...
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1answer
64 views

Why didn't primary file size change after moving large table to new file group?

After looking and finding the close answer, I'd like to post a follow-up, but separate, question to this one (split db to fit on ssds) I have a 60 gig database that is growing quickly, due to one ...
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1answer
616 views

should I shrink the filegroup? how? SQL Server

I just have a question. We recently purged 1,5 millions of record from a table. The Current allocated space for the related Filegroup is 700GB, but the space Used is 300GB. Should I perform a shrink ...
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2answers
170 views

Tempdb Splitting File/Filegroups among different Databases

A common problem placing databases on one server Instance is they all share same tempdb. Is it possible to allocate tempdb file/and filegroups for separate databases. Does Resource Governor allow this?...
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1answer
61 views

SQL OLTP Filegroups - Lookup Tables

According to resources, in Dimensional Warehousing, it is a good idea to place Dimension tables in a different filegroups from Fact Tables. In OLTP, is it a good idea to place Lookup tables in ...
1
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1answer
142 views

Filegroup with multiple files: odd behaviour when moving stuff in

I am currently migrating databases from SQL Server 2008 (SP4) to SQL Server 2017 (CU3). A significant change is that all filegroups have two data files after migration. To accomplish this task I ...
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0answers
44 views

SQL Server - Partial Backup

I want to check if my Data Warehouse historical filegroup backups are valid with my most recent Primary Filegroup backup. I backup the Primary Filegroup every night but historical filegroup backups ...
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1answer
1k views

FILEPROPERTY - SPACEUSED

I used SELECT FILEPROPERTY('file_name', 'SpaceUsed'), and it returns NULL, what does it mean? I am correctly using it in the correct database. I cannot assume that NULL means empty since: I tried ...
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1answer
77 views

Database Files and Filegroups

In my case wherein I have a file file_01.mdf and file_02.ndf under 1 filegroup, if ever file_01.mdf was already full (no autogrowth enabled), will it give me error on file_01.mdf if data is attempted ...
3
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1answer
470 views

How to force users to specify a filegroup when creating tables/indexes

I will soon be migrating to SQL Server 2017 and hence am working on beautifying some neglected aspects of our databases. One aspect is filegroups: my DBA predecessor has created multiple filegroups ...
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0answers
57 views

Any performance gains from having identical clustered and nonclustered indexes on table on different filegroups?

I am attempting to rearchitect our MSSQL database such that we have two filegroups, one for data, on a 15K HDD, primary, and one for indexes on a separate SSD, indexes, in order to realize some ...
1
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1answer
123 views

Is SQL Server's fill strategy the same for multi-file tempdb as multi-file (non-tempdb) filegroups?

Will tempdb I/O from a single query be split across multiple tempdb files? (assuming that tempdb is configured to use multiple files, of course!) For non-tempdb databases, MDSN seems to say that yes, ...
2
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2answers
855 views

Backup and Restore SQL server files and filegroups

I have a database called Admin. It has only one default filegroup called primary. File group: primary files in the file group: Admin_data.mdf Now I have taken a full filegroup backup. Backup file ...
3
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3answers
19k views

Dynamic Table partitioning on a daily basis

I have a SQL Server database which contains two tables -- Acks and Logs. These two tables are related in logic but not in a relational database way. Basically, every message that comes in gets saved ...
0
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1answer
653 views

TSQL - merge partitions online

the short version of my question is: "During the merge of two partitions is the whole partitioned table being blocked. How can I access, for read&write, the part that is not affected by the merge?"...
0
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1answer
122 views

Unable to write to ndf after shrink emptyfile

I am doing some file balancing practice/experiments on AdventureWorks and pages stopped writing to the ndf file (AdventureWorks2014_Data2.ndf). Early tests were working as expected. Proportional ...
0
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1answer
2k views

move AG database files between disks

Environment: SQL 2016 SP1, AG with 2 replicas, sync commit, no readable secondary. 1 file in the PRIMARY FG, 1 for the index FG. Problem: How to move the files for a database in this AG, from the ...
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2answers
12k views

CREATE TABLE TEXTIMAGE_ON [PRIMARY] is redundant it there's only one filegroup?

I've recently generated scripts for a legacy database, and discovered that most of the tables were created with TEXTIMAGE_ON [PRIMARY], but there's only one filegroup. TEXTIMAGE_ON [PRIMARY] is ...
4
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2answers
4k views

Multiple filegroups vs. multiple files in a single filegroup

From what I've read online, it seems that multiple filegroups offer only two advantages over having multiple files in a single filegroup: The ability to isolate a specific table to a specific drive - ...
0
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1answer
72 views

Size of an “empty” PRIMARY filegroup

I have a question for you concerning the PRIMARY filegroup. Out goal is to have a small PRIMARY, so that we can do partial restores to other systems (test, dev) So, we moved all tables and indexed ...
3
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1answer
2k views

Can I set a filegroup of database offline,change the location of files and bring it online again?

I found that we can only take filegroup offline through t-sql,but to bring that filegroup online we need to restore the whole database.
2
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1answer
125 views

SQL Server seperate data files

When splitting out a data file into separate files is there any benefit in having tables usually queried together in the same file? I'm against it but a vendor has suggested it as part of setup. May ...
5
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3answers
12k views

what is causing arithmetic overflow in the query below?

when I run the following query on MY_Database select * from sys.sysfiles I get the following results: But when I run a dynamic query that gets the percent of free space I get: Msg 8115, Level ...
1
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1answer
153 views

SQL Server specific file group

I have a database with three file groups, Primary, FG_ExtendedTables, and FG_ReportingTables. I need to create another database (production db let's say), and restore only specific file groups and ...
5
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2answers
1k views

How to find the specific file in a filegroup in which an object resides

Today, I encountered below error on one my SQL Server which I manage. Could not allocate space for object '%.*ls'%.*ls in database '%.*ls' because the '%.*ls' filegroup is full. Create disk ...
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2answers
64 views

List objects in SQL file

We are trying to migrate a database from SQL 2014 to Azure SQL. In SSMS, you can right click on the database and then on a task to "Deploy Database to Windows Azure SQL Database..". This task ...