Best size for VM SQL Server for a start or maybe Azure SQL Database?

Hello Everyone,
My question is quite general but some of You may have already considered similar issues. Let's say or assume I have the website and mobile application - social kind - used by:
1. 10 K users
2. 100 K users
3. 1 K K users
4. 20 K K users MAX
I am strongly considering use of VM SQL Server mostly because of its PARTITIONING functionality, some advantages in the context of INDEXING compared to Azure SQL Database and JOBs availibility.
Question: what would be the best size and count of VMs related to SQL Server for the start and later?
Question 2 - I am able to move JOBs functionality to my Worker role if I wanted to consider use of Azure SQL Database. SQL Server still has at least those 2 advantages (Partitioning, better Indexing) - is it worth considering Azure SQL Database service for
100 K users and more?
Regards,

Hello Jambor,
Considering the number of users i wouldnt recommend an Azure SQL database, because of certain limitations like Max worker threads, Max sessions, etc. Also the maximum size of the database can be 500GB.
Please refer http://msdn.microsoft.com/en-us/library/azure/dn741336.aspx and http://msdn.microsoft.com/en-us/library/azure/dn369873.aspx for the Azure SQL database options and limitations.
If your application needs to scale-out, Azure SQL Databases are recommended. If it needs scaling-up - then the choice is SQL Server on Azure VM. Please refer http://azure.microsoft.com/blog/2012/06/26/data-series-sql-server-in-windows-azure-virtual-machine-vs-sql-database/
and http://azure.microsoft.com/en-us/documentation/articles/data-management-azure-sql-database-and-sql-server-iaas/ for comparison.
If you already have your application running successfully on your on-premise server, you could use a similar machine on Azure for hosting your SQL server instance. The options are at http://azure.microsoft.com/en-us/pricing/details/virtual-machines/. You could
start with a SQL Server enterprise edition on an A3 VM and then scale-up as needed.
Regards,
Kumar Bijayanta

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Good afternoon everyone,
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Error Log follows, server and domain names have been blacked out with ****.
2015-04-15 11:57:55.16 Server Microsoft SQL Server 2012 (SP1) - 11.0.3128.0 (X64)
Dec 28 2012 20:23:12
Copyright (c) Microsoft Corporation
Express Edition (64-bit) on Windows NT 6.2 <X64> (Build 9200: ) (Hypervisor)
2015-04-15 11:57:55.16 Server (c) Microsoft Corporation.
2015-04-15 11:57:55.16 Server All rights reserved.
2015-04-15 11:57:55.16 Server Server process ID is 4104.
2015-04-15 11:57:55.16 Server System Manufacturer: 'HP', System Model: 'ProLiant ML350p Gen8'.
2015-04-15 11:57:55.16 Server Authentication mode is WINDOWS-ONLY.
2015-04-15 11:57:55.16 Server Logging SQL Server messages in file 'C:\Program Files\Microsoft SQL Server\MSSQL11.SQLEXPRESS\MSSQL\Log\ERRORLOG'.
2015-04-15 11:57:55.17 Server The service account is 'NT AUTHORITY\LOCAL SERVICE'. This is an informational message; no user action is required.
2015-04-15 11:57:55.17 Server Registry startup parameters:
-d C:\Program Files\Microsoft SQL Server\MSSQL11.SQLEXPRESS\MSSQL\DATA\master.mdf
-e C:\Program Files\Microsoft SQL Server\MSSQL11.SQLEXPRESS\MSSQL\Log\ERRORLOG
-l C:\Program Files\Microsoft SQL Server\MSSQL11.SQLEXPRESS\MSSQL\DATA\mastlog.ldf
2015-04-15 11:57:55.17 Server Command Line Startup Parameters:
-s "SQLEXPRESS"
2015-04-15 11:57:55.48 Server SQL Server detected 1 sockets with 6 cores per socket and 12 logical processors per socket, 12 total logical processors; using 8 logical processors based on SQL Server licensing. This is an informational message;
no user action is required.
2015-04-15 11:57:55.48 Server SQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required.
2015-04-15 11:57:55.48 Server Detected 8157 MB of RAM. This is an informational message; no user action is required.
2015-04-15 11:57:55.48 Server Using conventional memory in the memory manager.
2015-04-15 11:57:55.68 Server This instance of SQL Server last reported using a process ID of 7840 at 4/15/2015 11:57:47 AM (local) 4/15/2015 3:57:47 PM (UTC). This is an informational message only; no user action is required.
2015-04-15 11:57:55.68 Server Node configuration: node 0: CPU mask: 0x00000000000000ff:0 Active CPU mask: 0x00000000000000ff:0. This message provides a description of the NUMA configuration for this computer. This is an informational message
only. No user action is required.
2015-04-15 11:57:55.69 Server Using dynamic lock allocation. Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node. This is an informational message only. No user action is required.
2015-04-15 11:57:55.72 Server Software Usage Metrics is disabled.
2015-04-15 11:57:55.73 spid5s Starting up database 'master'.
2015-04-15 11:57:55.79 spid5s 20 transactions rolled forward in database 'master' (1:0). This is an informational message only. No user action is required.
2015-04-15 11:57:55.79 spid5s 0 transactions rolled back in database 'master' (1:0). This is an informational message only. No user action is required.
2015-04-15 11:57:55.80 Server CLR version v4.0.30319 loaded.
2015-04-15 11:57:55.86 spid5s Service Master Key could not be decrypted using one of its encryptions. See sys.key_encryptions for details.
2015-04-15 11:57:55.89 Server Common language runtime (CLR) functionality initialized using CLR version v4.0.30319 from C:\Windows\Microsoft.NET\Framework64\v4.0.30319\.
2015-04-15 11:57:55.91 spid5s SQL Server Audit is starting the audits. This is an informational message. No user action is required.
2015-04-15 11:57:55.91 spid5s SQL Server Audit has started the audits. This is an informational message. No user action is required.
2015-04-15 11:57:55.94 spid5s SQL Trace ID 1 was started by login "sa".
2015-04-15 11:57:55.94 spid5s Server name is '********\SQLEXPRESS'. This is an informational message only. No user action is required.
2015-04-15 11:57:55.96 spid5s Failed to verify Authenticode signature on DLL 'C:\Program Files\Microsoft SQL Server\MSSQL11.SQLEXPRESS\MSSQL\Binn\ftimport.dll'.
2015-04-15 11:57:55.96 spid5s Starting up database 'msdb'.
2015-04-15 11:57:55.96 spid9s Starting up database 'mssqlsystemresource'.
2015-04-15 11:57:55.96 spid5s Error: 17204, Severity: 16, State: 1.
2015-04-15 11:57:55.96 spid5s FCB::Open failed: Could not open file e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\MSDBData.mdf for file number 1. OS error: 3(The system cannot find the path specified.).
2015-04-15 11:57:55.96 spid5s Error: 5120, Severity: 16, State: 101.
2015-04-15 11:57:55.96 spid5s Unable to open the physical file "e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\MSDBData.mdf". Operating system error 3: "3(The system cannot find the path specified.)".
2015-04-15 11:57:55.96 spid5s Error: 17207, Severity: 16, State: 1.
2015-04-15 11:57:55.96 spid5s FileMgr::StartLogFiles: Operating system error 2(The system cannot find the file specified.) occurred while creating or opening file 'e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\MSDBLog.ldf'.
Diagnose and correct the operating system error, and retry the operation.
2015-04-15 11:57:55.96 spid5s File activation failure. The physical file name "e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\MSDBLog.ldf" may be incorrect.
2015-04-15 11:57:55.99 spid9s The resource database build version is 11.00.3000. This is an informational message only. No user action is required.
2015-04-15 11:57:56.02 spid12s A self-generated certificate was successfully loaded for encryption.
2015-04-15 11:57:56.03 spid12s Server is listening on [ 'any' <ipv6> 53345].
2015-04-15 11:57:56.03 spid12s Server is listening on [ 'any' <ipv4> 53345].
2015-04-15 11:57:56.03 spid12s Server local connection provider is ready to accept connection on [ \\.\pipe\SQLLocal\SQLEXPRESS ].
2015-04-15 11:57:56.03 spid12s Server named pipe provider is ready to accept connection on [ \\.\pipe\MSSQL$SQLEXPRESS\sql\query ].
2015-04-15 11:57:56.04 spid12s Dedicated administrator connection support was not started because it is disabled on this edition of SQL Server. If you want to use a dedicated administrator connection, restart SQL Server using the trace flag 7806.
This is an informational message only. No user action is required.
2015-04-15 11:57:56.04 Server SQL Server is attempting to register a Service Principal Name (SPN) for the SQL Server service. Kerberos authentication will not be possible until a SPN is registered for the SQL Server service. This is an informational
message. No user action is required.
2015-04-15 11:57:56.04 Server The SQL Server Network Interface library could not register the Service Principal Name (SPN) [ MSSQLSvc/********.****.local:SQLEXPRESS ] for the SQL Server service. Windows return code: 0xffffffff, state: 53.
Failure to register a SPN might cause integrated authentication to use NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies and if the SPN has not been
manually registered.
2015-04-15 11:57:56.04 Server The SQL Server Network Interface library could not register the Service Principal Name (SPN) [ MSSQLSvc/********.****.local:53345 ] for the SQL Server service. Windows return code: 0xffffffff, state: 53. Failure
to register a SPN might cause integrated authentication to use NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies and if the SPN has not been manually
registered.
2015-04-15 11:57:56.09 spid9s Starting up database 'model'.
2015-04-15 11:57:56.10 spid9s Error: 17204, Severity: 16, State: 1.
2015-04-15 11:57:56.10 spid9s FCB::Open failed: Could not open file e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\model.mdf for file number 1. OS error: 3(The system cannot find the path specified.).
2015-04-15 11:57:56.10 spid9s Error: 5120, Severity: 16, State: 101.
2015-04-15 11:57:56.10 spid9s Unable to open the physical file "e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\model.mdf". Operating system error 3: "3(The system cannot find the path specified.)".
2015-04-15 11:57:56.10 spid9s Error: 17207, Severity: 16, State: 1.
2015-04-15 11:57:56.10 spid9s FileMgr::StartLogFiles: Operating system error 2(The system cannot find the file specified.) occurred while creating or opening file 'e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\modellog.ldf'.
Diagnose and correct the operating system error, and retry the operation.
2015-04-15 11:57:56.10 spid9s File activation failure. The physical file name "e:\sql11_main_t.obj.x86release\sql\mkmastr\databases\objfre\i386\modellog.ldf" may be incorrect.
2015-04-15 11:57:56.10 spid9s Error: 945, Severity: 14, State: 2.
2015-04-15 11:57:56.10 spid9s Database 'model' cannot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details.
2015-04-15 11:57:56.10 spid9s SQL Trace was stopped due to server shutdown. Trace ID = '1'. This is an informational message only; no user action is required.

Hi HMLunger,
Did you install the SQL Server instance successfully? If not, please help to post the summary and detail logs for analysis. By default, the logs can be found in: C:\Program Files\Microsoft SQL Server\110\Setup Bootstrap\Log.
However, if you fail to start SQL Server Express service after successfully installing SQL Server,
you might have to change the paths of the files by running the following scripts from the command prompt. For more details, please review this similar
thread.
NET START MSSQL$SQLEXPRESS /f /T3608
SQLCMD -S .\SQLEXPRESS
ALTER DATABASE model MODIFY FILE (NAME = logical_name , FILENAME = 'new_path\os_file_name');
ALTER DATABASE model MODIFY FILE (NAME = logical_name , FILENAME = 'new_path\os_file_name');
go
exit;
ALTER DATABASE msdb MODIFY FILE (NAME = logical_name , FILENAME = 'new_path\os_file_name');
ALTER DATABASE msdb MODIFY FILE (NAME = logical_name , FILENAME = 'new_path\os_file_name');
NET STOP MSSQL$SQLEXPRESS
In addition, you can follow the steps in this KB article to uninstall SQL Server.
Thanks,
Lydia Zhang
Lydia Zhang
TechNet Community Support

Sql server service wont start after disabling TLS 1.0 and SSL 3.0 on windows

We have been hardening our servers for some time now and recently we disabled SSL 3.0 because of the poodle attack. When I did this on one of our test servers SQL Server failed to start up after the restart.
I have been able to reproduce this on Windows Server 2012 and Windows 7 by disabling TLS 1.0 and SSL 3.0 through the registry. I am using SQL Server 2012 on the server machine. On my windows 7 machine sql server 2012 and sql server 2005 will not start with
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Application Logs:
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(28/10/2014 8:38:54 AM) TDSSNIClient initialization failed with error 0x80090331, status code 0x80.
System Logs:
(28/10/2014 8:38:54 AM) The SQL Server (MSSQLSERVER) service terminated with service-specific error %%-2146893007.
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Hi Don,
I already have TLS 1.0 Disabled to prevent the BEAST exploit. So the values I have for:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS
1.0\Server
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS
1.0\Client
Both have enabled set to ("Enabled"=dword:00000000).
If change both of these back to ("Enabled"=dword:00000001)
to enable TLS 1.0, and restart then SQLServer is able to start again. But we are now vulnerable to the BEAST attack once again.
If I keep server enabled and disable the client or vice versa and restart. Then SQLServer starts but I
am unable to connect to it. When I check the Event logs I get the same errors as my original past.
With your last post, do you mean to backup SCHANNEL and delete it so it gets recreated? If that is the case it will probably work because if I re enable SSL 3.0 or TLS 1.0 from here it fix's the issue, but I then I won't have the exploits patched and
we need this for some of our customers.
This is my SCHANNEL Export:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client]
"DisabledByDefault"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client]
"DisabledByDefault"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server]
"Enabled"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client]
"Enabled"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server]
"Enabled"=dword:00000000

Publishing to Azure DB from Sql Server DB project with no initial Azure DB

It seems to me that the natural order of development for creating and publishing a Azure DB would be to first create a Sql Server DB project in VS 2013, then publish it to Azure. If no DB exists in Azure then Azure should create it! But I can't seem to get
that to work, I can however create a DB in Azure first, then create a Sql server DB project from it in VS SQL Server Object Explorer where VS imports everything from Azure into my solution. The question is - can I create a SQL Server Database Project in VS
2013 and then publish it to Azure without having any DB in Azure first? If so, is there a tutorial out there somewhere?
dawit

Hi witdaj,
The natural order of development is indeed correct, considering you're a developer. For an DBA, the same could apply for SQL Server Management Studio, where you can deploy any database directly to Azure.
In regard to your question, you absolutely need a SQL Database server first. If you've got yourself a SQL Database server, simply right-click the database project and select 'Publish...'. For the connection, click the edit button and insert your SQL Connection
connection string, in the form of <database_server>.database.windows.net,1433. Make sure you've configured your IP address in the server firewall as an allowed client IP. Also, make sure that in the Edit Connection dialog box you select the master database.
In the Publish window, choose your database name (it shouldn't already exist) and you're all set.
The script that generated your database will create a Web database, which you can scale later either in the portal or directly from the master database.
ALTER DATABASE 'db_name' MODIFY (EDITION = 'Business')
Hope this helps.
Alex

Sql Server Agent not starting automatically in failover in a clustered environment.

Hi,
We are running Sql Server 2008 R2 as a 2 node cluster in Windows 2008 R2
server. In the Sql Server Configuration manager we find that service of
the Sql Server(database engine) as got a start mode as manual being
an instance in the 2 node cluster. When the node in which the service is
running fails the the Sql Server service gets started in the other node. However
we find that the Sql Server Agent service(whose start mode is also in manual)
does not get started automatically in the other node along with the Sql Server
service.Why does the cluster service do not start Sql Server agent service as well.
Should we make the Sql Server agent service start mode to be automatic
instead of being manual as it is now? Thanking you in advance
Binny Mathew

Folks - the startup type of all clustered services should be set to manual - when you virtualize SQL Services, they are put in manual startup mode and this should not be changed. It is the cluster manager which starts the SQL and SQLAgent when a
failover happens (SQL does not start SQLAgent). If your SQLAgent doesn't start after a cluster failover, check the SQLAgent logs to see what the root cause of the problem is and rectify it. You should not change the startup type to "Automatic" -
leave it as manual
Satish Kartan www.sqlfood.com
I suspect that your clustered SQLAgent resource is currently NOT dependent on SQL resource. If not, make SQLAgent dependent on SQL resource, which will coerce SQLAgent to wait for the SQL resource to come online before it brings itselft (SQLAgent) resource
online, when a failover happens.
Satish Kartan www.sqlfood.com

SQL Server for SCCM 2012 R2

Hello,
I'm very new to SQL concepts, I have recently installed a backend database for SCCM application with below configuration.
Installed the SQL on VM with 10GB RAM, 50GB(OS Partition), 400GB (SCCM DATA & SQL DATA) and 50GB (SQL Logs)
OS: WIn Server 2012 R2
SQL : SQL Server 2012 SP1 Std
Question: I want to know,how to configure the following things,
01. Limit memory utilization of SQL (Min & Max)
02. limit the maximum size of the log files
03. Limit Disk utilization for SQL etc...

Hi Julie,
My friend Jorge Segarra has a blog about min and max memory that I'd recommend you look at. http://www.sqlchicken.com/2012/02/setting-memory-limits/
the best answer is "it depends", you want to define an amount other than the default. by default SQL Server installs with 2 TB of memory enabled regardless of what is on the source system.
With SCCM and 500 GB data files, you will probably find you have memory pressure with only 10 GB. I would leave a minimum of 1 GB per for every 4 dedicated to the OS, up to 4 GB for the OS. So in your case,
8 GB for SQL 2 GB for the OS. If you can add more for the VM that would be a good idea. Typically you would want 3 x your largest returned dataset in a query. When you do a checkdb or index rebuilds your memory with get thrashed.
Log files, make sure your database is in simple recovery model. Understand the type of backups you need to maintain transnational consistency. Grow them at a minimum of 4 GB increments. Transaction logs
are made up of VLF's and VLF fragmenation will cause slower writes on write heavy systems like SCCM. Here's a great blog for more on VLF's http://blogs.msdn.com/b/blogdoezequiel/
Disk limitation should be based on size. I like 100 GB of free space or 20%, whichever comes first. This will be determined by the amount of history you want to maintain though.
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Access vs. SQL Server for online database

I have a client who insisted on using Access for his online
database because he wanted to be able to download it quickly and
easily to be able to manipulate data on his end. However, after
importing about 20 thousand records into his existing database,
he's not happy with the speed at which it's now processing searches
- the search criteria and underlying queries are very complicated
to begin with. We had the SQL Server discussion previously, but he
wanted to keep it in Access. So, my question is...how much faster
can SQL Server process data over Microsoft Access? Will the results
be significant enough to justify converting the database to SQL
Server? Would his data process faster if he was on a dedicated
server instead of a shared server? Thanks!

If you can get away with using 3 digit zip code areas for
some of your partners, that might cut down on the total number of
records in your database. Also, in addition to indexing, indexing,
indexing, be aware that the "distinct" keyword is a pretty big
resource hog as well. Might be best to stay away from that one.
Not sure if I remember if Access supports stored procedures
or not, but any queries that you can precompile on the database
side will speed things up a bit.
Of course, you could just explain to him that downloading a
20,000 record access file, waiting for it to finish, editing it,
uploading it back to the server, and waiting for it to finish is
not exactly a very effective work flow. You could switch everything
over to MS SQL and then just give him a bound data grid into the
data in CF if he really wants to manipulate the records like that.
But then again, I know how these things go. My
condolences.

Best size for VM SQL Server for a start or maybe Azure SQL Database?

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