SQL Server Admin 2014 :: How To Allocate The File Sizes (Disk Partition Alignment For Tempdb)
Jun 29, 2015
I have question about tempdb needs to be configured 100GB 64kb block size.its fresh installation.
how to allocate the file sizes.still im not sure how many log files needs to be created with 100GB equals to 64KB block size.
what is 64KB block size and how to divide the logfiles 64KB into the 100gb or 50GB?
what is 64 KB cluster has 128 sectors?
tempdb drives should be formatted with a 64K allocation? how many files needs to created for good performance with 50GB or 100GB? ot 1TB
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Nov 28, 2014
I work for a 24/7 shop. We currently have a table that is partition on monthly. I have to created a script that will add a new file group, add the new file to the group, and alter the the partition scheme and function. However, I need for this process to not cause a lock on the table. Typically I get the locking and issues when I am run the split command. Is there a way to prevent this from happening?
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Apr 15, 2015
I have a heavy database , More than 100 GB only for six month .every Query on it takes me along time and I dont have enough space to add more indexes.by a way I decided to do partitioning. I create a partition function , on date filed and all Data records per month was appointed to a separate file.And is partitioning only for Future data entry?
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Oct 6, 2015
Message: Executed as user: NT AUTHORITYSYSTEM. The transaction log for database 'tempdb' is full. To find out why space in the log cannot be reused, see the log_reuse_wait_desc column in sys.databases [SQLSTATE 42000] (Error 9002). The step failed in my sql server agent job i have the above error, this type of errors i got some of multiple jobs.
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Mar 18, 2015
I have an instance with 4 datafiles for tempdb each set at initial size of 4G and growth rate of 100MB. After some time the initial file sizes seem to have changed automatically. They now read 3962,100,3688 and 2847 respectively. Is this something done by SQL Server itself? I cannot imagine that it was done manually.
I don't think there was a restart after the initial sizes of 4G were set, could this be related to the problem?
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Mar 13, 2014
Is there a formula for calculating how expensive a transaction will be in terms of disk space used before its run. I dont want it accurate to the MB, but rough enough so I can determine how much additional space to assign to a transaction log or SAN volume.
Currently we're reindexing ~25billion rows, nothing too wide, say 12 columns consisting of 1 varchar(50) and the rest ints, bits and money.Roughly speaking if I reindex the clustered index on an int indetity, (with sort_in_tempdb) how would I calculate the the disk space used?
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Sep 15, 2015
I'm trying to determine how much space I would need for my data drive and log file drive to do index rebuild. I have a database which is 100gb, it is in simple recovery mode. let me know what to have a look at to determine how much space.
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Aug 27, 2015
I have a server with 2 processors, 12 cores each making it a 24 core logical system.
My tempdb has 4 datafiles and 4 logfiles created.
I know creating more number of log files in tempdb may not make sense, but how many tempdb data files are supposed to be created?
Should it be 24?
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Jan 9, 2015
I proposed on a new server that we separate Data Files, Log Files, tempDB, Backups, etc. onto separate LUNS on a SAN with High Speed Solid State Drives.I was told that with the new technology with solid state SAN's that it would decrease performance and that it did not work the same way as it did when you had RAID 5's etc.I thought that if things were cared out correctly by a SAN Administrator they would know how to configure for optimal performance.
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Jul 6, 2015
For a database, we have 4 data files in a particular file group and the file sizes are almost 70 GB each.
Do I come across any performance issues if I create/pre-allocate an additional data file in the same file group so that the existing files don't grow too much?
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Apr 27, 2015
In a server we had File Growth,And then We had to Add New Hard Drive And New File On It.And Now We have New server with a Huge Hard Drive.But all files remaind.Can I Reduce This files to One data file or not ?
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Mar 21, 2014
My sql databases in SQL Server 2014 has the status "suspend" as I saw in SQL Management Studio. I can't restore to serviceable condition sql databases through standard procedures. I need to restore .mdf file.
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Feb 26, 2015
my 4 GB .OST file is corrupted and i am not able to access my mails and contacts.
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Nov 7, 2015
A log file size of a production database has been increase from 4gb to 150 gb initial size.Now i want to find when it will grow & how much it grow & which transaction is responsible for this.
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Jun 25, 2014
I have a database it is 50 gb with hundreds of columns. I would like to choose a certain column and convert the data in it to .csv or excel file. How can I do that I am very new to MSSQL...
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Jul 23, 2014
I had to reinstall my local copy of SQL a few weeks ago, which naturally overwrote the
msdb.dbo.sysmanagement_shared_server_groups_internal and
msdb.dbo.sysmanagement_shared_registered_servers_internal tables.
However I still have the local XML file that SSMS reads so I can still access the groups, I just get weird errors when trying to re-register my install as the new CMS. How to rebuilt those tables from the XML file or know of a way to repopulate?
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Nov 10, 2014
We have one table where we store all documents in one of the column called "Doc" with varbinary(max) data type.
We want to download those documents from sql table to windows explorer and i wrote BCP in sql 2005. And things were fine.
The format file I used there looks like this,
9.0
1
1 SQLBINARY 0 0 "" 1 Doc ""
Now we are in 2014 and when I try the same code with same format file, it hangs in the middle. So I changed the file to 12.0 instead of 9.0 but still not working.
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Oct 19, 2015
is there a way to restore all file groups except one? example: Database A has 10 filegroups, but 1 of them is defunct, so i cant delete it and there's no backup for restore it.Can I create a new DB restoring the 9 good FGs from a database A's backup?
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Apr 8, 2014
What is the use of creating manifest file in SSIS... because I was schedule a job and its not needed and manifest file then why we are creating this.
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Jan 10, 2015
I have a windows 8 pc that I just got and installed sqlexpress 2014. My buddy haw windows 7 and installed sqlexpress on his pc. We create a db on his pc, did a backup, copied the backup to my pc. In ssms I right click on "database" > restore database. click device and the button to find my file. I navigate to the folder where the file shows in file explorer but the .bak file does not show in ssms to restore from. This is probably a windows thing but I have don't know what to look at.
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Jan 21, 2015
I was running an operation to shrink file/emptyfile a data file, and then remove it.
It blocked and caused a huge mess, I suspect on the removal part. But I want to confirm that the emptyfile completed (and that the engine isn't going to try to put more data in there for when I schedule the removal part again a week or more from now).
How does the engine know not to put any more data in there, and how long does that situation last?
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Jul 7, 2015
While i execute dbcc sqlperf(logspace); I get following values.
Database NameLog Size (MB)Log Space Used (%)
master 16.17969 13.30275
tempdb 7.429688 61.7245
model 0.7421875 45.78947
msdb 5.554688 25.87904
distribution 2808.93 0.8172179
BANKDB 23438.87 48.20037
WSMIRSDB 109.7422 4.839111
For database BANKDB , Log Space used(%) is 48.83% and Log size is about 23438.87 where as my database size of BANKDB is 60 GB. FULL database and Log back is done every day night one time. My database is performing slow now.
Do we need to take log backup frequently like once a 1 hour so that Log space used will be less. Same query is taking more time to execute than before in same database is it because of log file has increased.
I do index organize and rebuild once a week and stats apply nightly.
Is it correct once log space size is increasing more than 10%. Do we need to take log backup?
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Feb 2, 2015
Database File Placement Layout? We are planning to implement a new SQL Server 2014 OLTP Database with a 1 TB Data file and 1 TB Log File. I am looking at the possible layout of the database files and trying to determine the best possible configuration. My knowledge/research tells me that items which need separate storage due to constant simultaneous access are:
Data files – should go on the fastest reading storage.
Log files – should go on the fastest writing storage.
TempDb – involves a lot of writing at the same time the data files are being read.
Indexes - (including full text indexes) - involves a lot of writing at the same time the data files are being read.
Also, are there any benefit to having multiple OLTP Database Log files? Because SQL Server writes to the log file sequentially, I do not see any advantages to having multiple database log files. In a SQL Server 2012 Class I took last summer, under “Determining File Placement and Number of Files”, it states “Use a single log file in most situations as log files are written sequentially.”
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Apr 30, 2015
I recently installed standalone version of SQL 2014 Standard on my work computer. I used Access before but I want to use a SQL server instead.
We have a shared drive that a file gets deposited every day at midnight. I want to be able to get this file and import it to the server (its basically a list of names).
Here what I have done so far:
I created the database
Created the file and successfully imported data into it using the Import Data feature.
I saved the SSIS package
Scheduled an Agent Job for this package to run at certain time,daily
At first the jobs would fail with a Access is Denied. I added a user under Credentials with my network account ( have admin rights on the work computer).Also added a Proxy for the Credential user I made.
Jobs fail with a “Cannot open data file” error. I tried changing things here and there, but I can’t get it to work.
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May 14, 2015
I have installed SQL 2014 (Evaluation Version) on testing machine. We want to import some excel files on database. I manually created one Test Database and now trying to import excel file. Import completed successfully but I am not able to see any table created as result of Import. I tried it 3-4 times and even restarted sql services but no luck.
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Oct 29, 2015
usual way to check if file exists
DECLARE @File_Exists INT
EXEC Master.dbo.xp_fileexist 'serverBSQL_Backupfile.bak', @File_Exists OUT
print @File_Exists
1
And if check folder, can use "nul", but it doesn't work for UNC path
DECLARE @File_Exists INT
EXEC Master.dbo.xp_fileexist 'serverBSQL_Backupul', @File_Exists OUT
print @File_Exists
0
If use xp_subdirs like:
EXEC master.dbo.xp_subdirs 'serverBSQL_Backups'
If the folder doesn't exists, Msg 22006, Level 16, State 1, Line 3 xp_subdirs could not access 'ServerBSQL_Backups*.*': FindFirstFile() returned error 67, 'The network name cannot be found.'
how to check if UNC folder exists in Backup? in my code I want to check if the unc folder exists before doing backup, the unc path is retrieved from other table or backup history.
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Apr 7, 2011
I understand that in 2008 server it'll align the disks for you automatically. I've run the following commands on another one of my DB servers and the offset was 1024 on all of them. I get the following from my other DB server and it doesn't list the alignment on every partition save the first one.
DISKPART> select disk 0
Disk 0 is now the selected disk.
DISKPART> list partition
Partition ### Type Size Offset
[code]....
Need to verify that all is fine with my file system or do I need to repartion everything? My DB servers are in a virtualized environment using EqualLogic and VMWare.There is always a way...
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Dec 18, 2014
I want to setuo AlwaysON that requires Node and FileShare Majority Quorum settings..
I want to know how to configure File share for windows clustering ????
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May 7, 2014
A little background on what I am trying to achieve first. We are moving to Azure virtual machines and we will have 8 disks on the SQL Server box. I am adding more files to the primary file group and each file will go on its own drive. I am then rebalancing data across these files by rebuilding all of the indexes on the tables which is working fine. No problems so far all is good.
I now have an additional problem. If there is a lob or blob column on the table, rebuilding the clustered index and all the non clustered indexes doesn't rebalance the blob or lob data across the disks such as it does with in row data.
I cannot find any articles on rebalancing lob or blob data because all the articles say to move to a new file group. I do not want a new file group, I just want to use the primary file group where the data already resides, and just redistribute it evenly in the same way that I can in row data which is working fine.
One solution I thought about was to BCP data out of the table, truncate the table and then BCP back into the table which I imagine would have the desired effect of distributing the data evenly over the files.
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Aug 11, 2005
Trying to install SQL Server 2005 beta version on partition disk drive sayF: (Other than local disk drive c:),Does anyone know how can I do this? During the installation, it never asksme on which drive it install to nor browse button is there to browse thedisk drive for installation...Any help???ThanksJ.
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May 9, 2004
"Could not allocate new page for database 'TEMPDB'. There are no more pages available in filegroup DEFAULT. Space can be created by dropping objects, adding additional files, or allowing file growth."
I get this error when running a query on another database. But why?
Both data and transaction files on TEMPDB are set to "automatically grow file" and "unrestricted file growth" and there is 70GB of free space on the disk drive. Shouldn't the files just grow? Why would this happen?
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May 22, 2004
I get the following error when doing a variety of basic queries on other databases:
"Could not allocate new page for database 'TEMPDB'. There are no more pages available in filegroup DEFAULT. Space can be created by dropping objects, adding additional files, or allowing file growth."
This doesn't make any sense since they are set to auto grow and there is plenty of disk space to do so.
Both data and transaction files of tempdb are set to:
"Automatically grow file" is checked
"Maximum file size" is set to "Unrestricted file growth"
Growth rate of 10%
Both tempdb data file and transaction file are on D: but all drives have ample space:
c:25 GB free
D:69 GB free
E:175 GB free
sp_spaceused returns the following for tempdb:
namesizeunallocated space
tempdb4.00 MB1.45 MB
reserveddataindex_sizeunused
568 KB176 KB304 KB88 KB
sp_helpdb returned for tempdb:
tempdb
4.00 MBsa2Apr 23 2004Status=ONLINE, Updateability=READ_WRITE, UserAccess=MULTI_USER, Recovery=SIMPLE, Version=539, Collation=SQL_Latin1_General_CP1_CI_AS, SQLSortOrder=52, IsAutoCreateStatistics, IsAutoUpdateStatistics80
This is with SQL Server 2000 (Personal Edition)
Product Version: 8.00.760 (SP3)
Is this some strange limitation of Personal Edition? Is it worth upgrading to Standard Edition?
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Oct 18, 2007
Hello, I have an issue with a process that blows up because of the following error.
Executed as user: batchloader. Updated 0 existing Company records [SQLSTATE 01000] (Message 0) Inserted 0 new Company records [SQLSTATE 01000] (Message 0) Inserted 0 new EntityIdXref records [SQLSTATE 01000] (Message 0) Updated 977 existing CompanyCustomerAttr records [SQLSTATE 01000] (Message 0) Inserted 0 new CompanyCustomerAttr records [SQLSTATE 01000] (Message 0) Could not allocate new page for database 'TEMPDB'. There are no more pages available in filegroup DEFAULT. Space can be created by dropping objects, adding additional files, or allowing file growth. [SQLSTATE 42000] (Error 1101). The step failed.
Ok I am going to be typeing some really bad practices(I just started here 3 weeks ago.)
There is 23.6 gig free on my log drive. The disk is not running out of space and there are no disk errors in event viewer. The process in question calles 2 procs. These 2 proces load files from the filesystem and bulk load them into #temp tables. Then select's from these tables are issued using criteria from a static table. There are around 700000 rows being inserted into the #temp tables and no indexes are being created so very large table scans going on. Also there are some cursors being called to row by row minipulate the records and in the cursor it calles fucntions using cursors. There are thousands of files being processes everyday by several different jobs. All of the processes are written the same way. We have the tempdb set to auto grow by 10 % and the initial size is 3.5 gig. There are 3 to 4000 tables in the database and 90 % of them are being created on the fly to be used by this process and yes once again there are no indexes created on the on the fly tables. We have only one Filegroup on the server default.
I believe that takeing some of the objects and moving them to there own filegroup will help this issue. Every month we take on up to 800000 new records to process on top of what we allready do. So we use cursors cursors cursors temp objects with no indexes and massive recordsets and doing sorts on massive records sets. I am working with development to show them how and where to index but this will take time. I need a quick solution. Any thoughts any questions? The box has 4 gig of ram.
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