2012 R2 - Clustering High Availability File Server

Hi All
What's the difference between creating a High Availability Virtual Machine to use as a File Server and creating a 'File Server for general use' in the High Availability Wizard?
Thanks in advance.
What's your goal? If you want to have file server with no service interruption then you need generic SMB file server built on top of a guest VM cluster. HA VM is not going to work for you (service interruption) and SoFS is not going to work for you (workload
different from SQL Server and / or Hyper-V is not supported). So... Tell what do you want to do and not what you're doing now :)
For a fault-tolerant file server scenarios see following links (make sure you replace StarWind with your shared storage specific, I'd suggest to use shared VHDX). See:
http://technet.microsoft.com/en-us/library/cc731844(v=ws.10).aspx
http://technet.microsoft.com/en-us/library/cc753969.aspx
http://social.technet.microsoft.com/Forums/en-US/bc4a1d88-116c-4f2b-9fda-9470abe873fa/fail-over-clustering-file-servers
http://www.starwindsoftware.com/configuring-ha-file-server-on-windows-server-2012-for-smb-nas
http://www.starwindsoftware.com/configuring-ha-file-server-for-smb-nas
Hope this helped :)
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.
The goal is a file server that's as resilient as possible. I need to still use DFS namespace though. Its on a Dell VRTX server with built-in shared storage.
I'm having issues getting the High Availability wizard for General Purpose File Server to see local drives :(
So I'm just trying to understand the key differences between creating one of these and a hyper-v server with file services installed.

Similar Messages

High Availability File Adapter in OSB

If you use the JCA FileAdapter in OSB, it is necessary to use the eis/HAFileAdapter version, to ensure that only one instance of the adapter picks up a file; you must then configure a coordinator, by setting the
controlDir, inboundDataSource, outboundDataSource, outboundDataSourceLocal, outboundLockTypeForWrite
parameters.
controlDir refers to the filesystem, the others to the DB
This document http://www.oracle.com/technetwork/database/features/availability/maa-soa-assesment-194432.pdf says
"Database-based mutex and locks are used to coordinate these operations in a File Adapter clustered topology. Other coordinators are available but Oracle recommends using the Oracle Database."
Using a Oracle Database as coordinator means using RAC, otherwise no HA.
I wonder if anybody has been successful setting up HAFileAdapter without using a DB?
If DB is required, I am considering using the good old "native" OSB File Poller, since it doesn't require complicated setup to be run in a cluster... but I don't want to use MFL, I would rather use the XSD-based Native Format. Here comes the second question:
Is it possible to use the nXSD translator using the OSB Native File Poller - instead of the JCA Adapter?
Thank you so much for your help - it will be rewarded with "helpful/answered" points .
pierre

I wonder if anybody has been successful setting up HAFileAdapter without using a DB?
I have not tried it but I think there are several options available invlucing writing your own custom mutex. Please find the details in Oracle File and FTP Adapters High Availability Configuration section on this link
http://download.oracle.com/docs/cd/E14571_01/core.1111/e10106/ha_soa.htm#sthref434
Is it possible to use the nXSD translator using the OSB Native File Poller - instead of the JCA Adapter?
When you create a JCA Adapter based Proxy Service to read the files, the nXSD translation happens before the proxy service is invoked. JCA Engine first reads the data, translates using nXSD and then invokes the Proxy with the translated content. (You can verify this easily by creating a JCA based file read service and open the test console for it in sbconsole, it will show you XML request instead of native).
So you can not read the text content using File Transport of OSB and then calling nXSD directly or calling an nXSD based Proxy Service.
HOWEVER, you certainly can use file and nXSD in a combination if thats what you want.
1. Create a Synchronous Read File Adapter with an nXSD created for it
2. Create a Business Service for that Synchronous Read JCA in OSB
3. Create a File Transport based service in OSB which will read the content of file and then call the Business Service to again read the content (which will include the translation using nXSD defined in step one to convert the content to XML).
So basically you will need to read the file twice! Once using File Transport Proxy service (which will take care of polling in cluster) and then using Sync Read JCA based business service(which will do nXSD translation). To reduce the impact of reading the file twice you can use trigger files. File Proxy to read trigger file and and invoke JCA business service to read the actual file for that trigger.
Another alternative can be to create a similar class as present here(http://blogs.oracle.com/adapters/entry/command_line_tool_for_testing) but instead of writing a file it will just return the translated content. Call this class with native content from the File Transport proxy using a Java Callout to do the translation.

High availability SQL Server requirements for Remote Desktop Services in Windows Server 2012

Good night,
Thanks for reading this question, I do not write much English.
I am implementing Remote Desktop Services in Windows Server 2012, I need to know the size of the database to create and feature on the .mdf and .ldf, I searched in different microsoft link but I have not received a response.
Kindly appreciate your cooperation and attention.

Hi Alejandro,
I am implementing Remote Desktop Services in Windows Server 2012, I need to know the size of the database to create and feature on the .mdf and .ldf
If you want to know the size requirements of .mdf abd .ldf files, since they are parts of SQL database, I suggest you refer to SQL forums below to get more professional support:
https://social.technet.microsoft.com/Forums/sqlserver/en-US/home?forum=sqlgetstarted
https://social.technet.microsoft.com/Forums/sqlserver/en-US/home
In addition, here are some articles regarding RDS deployment for you:
Remote Desktop Services Deployment Guide
https://technet.microsoft.com/en-us/library/ff710446(v=ws.10).aspx
Remote Desktop Services (RDS) Quick Start Deployment for RemoteApp, Windows Server 2012 Style
http://blogs.technet.com/b/yungchou/archive/2013/02/07/remote-desktop-services-rds-quick-start-deployment-for-remoteapp-windows-server-2012-style.aspx
Best Regards,
Amy
Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

High availability xMII server configuration copy

We are setting up two xMII servers in a Hight Availability configuration. What files/directories do I need to ensure are copied between the main and backup servers so that the configuration is completely duplicated between them? I know I can copy the entire Lighthammer directory but that is kind of a brute force method. What is the more elegant approach?

Please refer to the
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/uuid/30f43a39-be98-2910-9d9c-a59785f44e41">xMII Best Pratices Guide</a>
Please also note the file SystemConfig.xml found in LighthammerIlluminatorConf
contains the Security Server URL of the machine.
Regards,
Jamie

High Availability Production Server using online replication

Hi
In One box, stopped online replication from one box to second box located in remote ofsite. Converted code page conversion from EBCDIC code to ASCII code and then performed Upgrade SAP 4.6C with SAP ECC 5.0. Everything ran smoothly.
Secondly Customer wanted to to do online replication. For this purpose there are two options,
First Option is:
Install SAP ECC 5.0 in second box
Second Option is Homogeneous copy from One box to Second box.
I am not sure which option is better.
After that, we have to start online replication to transfer journal receiver from one box to second box and apply it to the database in Second box.
I am not familiar the OS400 iseries V5R3M0 command how to perform Online replication .
COuld you please send us procedure how to perform Online replication .
Thanks and Regards
A Prasad Rao
After that we have to start

Hi TCS-Support,
I would say, it is always a bit a pitty, to do consulting and to not know the specials of a platform :-((
You can use both ways - installation or homo-copy. I would use the homo copy, but that is my feeling - and in the end you need in order to refresh the stuff a new DB-Copy anyway.
Then you need either iASP, manual apply of journal receivers or to buy a product like Mimix, DataMirror etc. of the HA-Suites.
Regards
Volker Gueldenpfennig, consolut.gmbh
http://www.consolut.de - http://www.4soi.de - http://www.easymarketplace.de

Advice Requested - High Availability WITHOUT Failover Clustering

We're creating an entirely new Hyper-V virtualized environment on Server 2012 R2. My question is: Can we accomplish high availability WITHOUT using failover clustering?
So, I don't really have anything AGAINST failover clustering, and we will happily use it if it's the right solution for us, but to be honest, we really don't want ANYTHING to happen automatically when it comes to failover. Here's what I mean:
In this new environment, we have architected 2 identical, very capable Hyper-V physical hosts, each of which will run several VMs comprising the equivalent of a scaled-back version of our entire environment. In other words, there is at least a domain
controller, multiple web servers, and a (mirrored/HA/AlwaysOn) SQL Server 2012 VM running on each host, along with a few other miscellaneous one-off worker-bee VMs doing things like system monitoring. The SQL Server VM on each host has about 75% of the
physical memory resources dedicated to it (for performance reasons). We need pretty much the full horsepower of both machines up and going at all times under normal conditions.
So now, to high availability. The standard approach is to use failover clustering, but I am concerned that if these hosts are clustered, we'll have the equivalent of just 50% hardware capacity going at all times, with full failover in place of course
(we are using an iSCSI SAN for storage).
BUT, if these hosts are NOT clustered, and one of them is suddenly switched off, experiences some kind of catastrophic failure, or simply needs to be rebooted while applying WSUS patches, the SQL Server HA will fail over (so all databases will remain up
and going on the surviving VM), and the environment would continue functioning at somewhat reduced capacity until the failed host is restarted. With this approach, it seems to me that we would be running at 100% for the most part, and running at 50%
or so only in the event of a major failure, rather than running at 50% ALL the time.
Of course, in the event of a catastrophic failure, I'm also thinking that the one-off worker-bee VMs could be replicated to the alternate host so they could be started on the surviving host if needed during a long-term outage.
So basically, I am very interested in the thoughts of others with experience regarding taking this approach to Hyper-V architecture, as it seems as if failover clustering is almost a given when it comes to best practices and high availability. I guess
I'm looking for validation on my thinking.
So what do you think? What am I missing or forgetting? What will we LOSE if we go with a NON-clustered high-availability environment as I've described it?
Thanks in advance for your thoughts!

Udo -
Yes your responses are very helpful.
Can we use the built-in Server 2012 iSCSI Target Server role to convert the local RAID disks into an iSCSI LUN that the VMs could access? Or can that not run on the same physical box as the Hyper-V host? I guess if the physical box goes down
the LUN would go down anyway, huh? Or can I cluster that role (iSCSI target) as well? If not, do you have any other specific product suggestions I can research, or do I just end up wasting this 12TB of local disk storage?
- Morgan
That's a bad idea. First of all Microsoft iSCSI target is slow (it's non-cached @ server side). So if you really decided to use dedicated hardware for storage (maybe you do have a reason I don't know...) and if you're fine with your storage being a single
point of failure (OK, maybe your RTOs and RPOs are fair enough) then at least use SMB share. SMB at least does cache I/O on both client and server sides and also you can use Storage Spaces as a back end of it (non-clustered) so read "write back flash cache
for cheap". See:
What's new in iSCSI target with Windows Server 2012 R2
http://technet.microsoft.com/en-us/library/dn305893.aspx
Improved optimization to allow disk-level caching
Updated
iSCSI Target Server now sets the disk cache bypass flag on a hosting disk I/O, through Force Unit Access (FUA), only when the issuing initiator explicitly requests it. This change can potentially improve performance.
Previously, iSCSI Target Server would always set the disk cache bypass flag on all I/O’s. System cache bypass functionality remains unchanged in iSCSI Target Server; for instance, the file system cache on the target server is always bypassed.
Yes you can cluster iSCSI target from Microsoft but a) it would be SLOW as there would be only active-passive I/O model (no real use from MPIO between multiple hosts) and b) that would require a shared storage for Windows Cluster. What for? Scenario was
usable with a) there was no virtual FC so guest VM cluster could not use FC LUs and b) there was no shared VHDX so SAS could not be used for guest VM cluster as well. Now both are present so scenario is useless: just export your existing shared storage without
any Microsoft iSCSI target and you'll be happy. For references see:
MSFT iSCSI Target in HA mode
http://technet.microsoft.com/en-us/library/gg232621(v=ws.10).aspx
Cluster MSFT iSCSI Target with SAS back end
http://techontip.wordpress.com/2011/05/03/microsoft-iscsi-target-cluster-building-walkthrough/
Guest
VM Cluster Storage Options
http://technet.microsoft.com/en-us/library/dn440540.aspx
Storage options
The following tables lists the storage types that you can use to provide shared storage for a guest cluster.
Storage Type
Description
Shared virtual hard disk
New in Windows Server 2012 R2, you can configure multiple virtual machines to connect to and use a single virtual hard disk (.vhdx) file. Each virtual machine can access the virtual hard disk just like servers
would connect to the same LUN in a storage area network (SAN). For more information, see Deploy a Guest Cluster Using a Shared Virtual Hard Disk.
Virtual Fibre Channel
Introduced in Windows Server 2012, virtual Fibre Channel enables you to connect virtual machines to LUNs on a Fibre Channel SAN. For more information, see Hyper-V
Virtual Fibre Channel Overview.
iSCSI
The iSCSI initiator inside a virtual machine enables you to connect over the network to an iSCSI target. For more information, see iSCSI
Target Block Storage Overviewand the blog post Introduction of iSCSI Target in Windows
Server 2012.
Storage requirements depend on the clustered roles that run on the cluster. Most clustered roles use clustered storage, where the storage is available on any cluster node that runs a clustered
role. Examples of clustered storage include Physical Disk resources and Cluster Shared Volumes (CSV). Some roles do not require storage that is managed by the cluster. For example, you can configure Microsoft SQL Server to use availability groups that replicate
the data between nodes. Other clustered roles may use Server Message Block (SMB) shares or Network File System (NFS) shares as data stores that any cluster node can access.
Sure you can use third-party software to replicate 12TB of your storage between just a pair of nodes to create a fully fault-tolerant cluster. See (there's also a free offering):
StarWind VSAN [Virtual SAN] for Hyper-V
http://www.starwindsoftware.com/native-san-for-hyper-v-free-edition
Product is similar to what VMware had just released for ESXi except it's selling for ~2 years so is mature :)
There are other guys doing this say DataCore (more playing for Windows-based FC) and SteelEye (more about geo-cluster & replication). But you may want to give them a try.
Hope this helped a bit :)
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

Windows Server 2012 R2 robocopy not copying inherited directory permission from source file server to destination ?

Can anyone here please help me with Robocopy on Windows Server 2012 R2 to copy the file server content from \\OldFileServer\Data share into the local S:\Data drive ?
here's my script that I use to copy 11 TB of file server contents:
robocopy.exe "\\OLDFILESERVER\Data" S:\Data *.* /E /SECFIX /SEC /XO /ZB /COPYALL /MIR /DCOPY:DAT /R:0 /W:0 /NP /NFL /NDL /TEE /LOG:"G:\robocopy.log"
Any kind of help and assistance would be greatly appreciated.
Thanks
/* Server Support Specialist */

Hi,
Based on my tests, inherited permissions will not be copied using robocopy.exe.
That’s because that after we copy or move an objects to another volume, the object inherits the permissions of its new parent folder.
My suggestion for you is to disable the inheritance on corresponding subfolders, and Convert inherited permissions into explicit permissions on this object. After that, those permissions can be copied.
Here are some references below for you:
Robocopy not copying NTFS permissions
http://social.technet.microsoft.com/Forums/windowsserver/en-US/b36748cd-14d1-47a5-9fb6-878ca93ad6fc/robocopy-not-copying-ntfs-permissions
How permissions are handled when you copy and move files and folders
http://support.microsoft.com/kb/310316
Powershell ACL commands? NTFS Permissions - Turn inherited permissions into explicit permissions and remove inheritance
http://social.technet.microsoft.com/Forums/scriptcenter/en-US/884e2837-ec1d-4937-83a5-722cd00d7d16/powershell-acl-commands-ntfs-permissions-turn-inherited-permissions-into-explicit-permissions-and?forum=ITCG
Best Regards,
Amy

NCS Appliance Ver 1.1.1.24 VM High availability disk options

Hello,
I currently am running an NCS appliance running version 1.1.1.24. I am looking to set up a VM server as a redundant High Availability backup server. Per the config guides the VM server needs to be set up with identical physical specifications as the appliance. That means I will need to set a vm up with the following specs:
CPU: 2 x Intel Xeon Processor (2.4-GHz 12-MB Cache)
•Memory: 16-GB (1×2-GB, 2Rx8) PC3-10600 CL9 ECC DDR3
•Network Interface Cards: 2 x 10/100/1000 Gigabit
The config guide for the VM recommends that I start with a minimum 400Gb disk space. Does anyone have experience deploying a VM as a backup for an appliance? Does this sound correct?
Thanks,

Hello,
I currently am running an NCS appliance running version 1.1.1.24. I am looking to set up a VM server as a redundant High Availability backup server. Per the config guides the VM server needs to be set up with identical physical specifications as the appliance. That means I will need to set a vm up with the following specs:
CPU: 2 x Intel Xeon Processor (2.4-GHz 12-MB Cache)
•Memory: 16-GB (1×2-GB, 2Rx8) PC3-10600 CL9 ECC DDR3
•Network Interface Cards: 2 x 10/100/1000 Gigabit
The config guide for the VM recommends that I start with a minimum 400Gb disk space. Does anyone have experience deploying a VM as a backup for an appliance? Does this sound correct?
Thanks,

Hyper-V 2012 High Availability using Windows Server 2012 File Server Storage

Hi Guys,
Need your expertise regarding hyper-v high availability. We setup 2 hyper-v 2012 host in our infra for our domain consolidation project. Unfortunately, we don't have hardware storage that is said to be a requirement that we can use to create a failover cluster
for hyper-v host to implement HA. Here's the setup:
Host1
HP Proliant L380 G7
Windows Server 2012 Std
Hyper-V role, Failover Cluster Manager and File and Storage Services installed
Host2
Dell PowerEdge 2950
Windows Server 2012 Std
Hyper-V role, Failover Cluster Manager and File and Storage Services installed
Storage
Dell PowerEdge 6800
Windows Server 2012 Std
File and Storage Services installed
I'm able to configure the new feature about Shared Nothing Live Migration - i'm able to move VM's back and fort between my hosts without storage. But this is planned and proactive approach. My concern is to have my hyper-v host to become highly available in
the event of system failure. If my host1 dies, the VMs should go/move to host2 and vice versa. In setting this up, i believe i need to enable the failover clustering between my hyper-v hosts which i already did but upon validation, it says "No disks
were found on which to perform cluster validation tests." Is it possible to cluster it using just a regular windows file server? I've read about SMB 3.0 and i've configured it as well i'm able to save VMs on my file server, but i don't think that my hyper-v
hosts are already highly available.
Any feedback and suggestions or recommendation is highly appreciated. Thanks in advance!

Hi Guys,
Need your expertise regarding hyper-v high availability. We setup 2 hyper-v 2012 host in our infra for our domain consolidation project. Unfortunately, we don't have hardware storage that is said to be a requirement that we can use to create a failover cluster
for hyper-v host to implement HA. Here's the setup:
Host1
HP Proliant L380 G7
Windows Server 2012 Std
Hyper-V role, Failover Cluster Manager and File and Storage Services installed
Host2
Dell PowerEdge 2950
Windows Server 2012 Std
Hyper-V role, Failover Cluster Manager and File and Storage Services installed
Storage
Dell PowerEdge 6800
Windows Server 2012 Std
File and Storage Services installed
I'm able to configure the new feature about Shared Nothing Live Migration - i'm able to move VM's back and fort between my hosts without storage. But this is planned and proactive approach. My concern is to have my hyper-v host to become highly available in
the event of system failure. If my host1 dies, the VMs should go/move to host2 and vice versa. In setting this up, i believe i need to enable the failover clustering between my hyper-v hosts which i already did but upon validation, it says "No disks were
found on which to perform cluster validation tests." Is it possible to cluster it using just a regular windows file server? I've read about SMB 3.0 and i've configured it as well i'm able to save VMs on my file server, but i don't think that my hyper-v hosts
are already highly available.
Any feedback and suggestions or recommendation is highly appreciated. Thanks in advance!
Your shared storage is a single point of failure with this scenario so I would not consider the whole setup as a production configuration... Also setup is both slow (all I/O is travelling down the wire to storage server, running VMs from DAS is ages faster)
and expensive (third server + extra Windows license). I would think twice about what you do and either deploy a built-in VM replication technologies (Hyper-V Replica) and apps built-in clustering features that does not require shared storage (SQL Server and
Database Mirroring for example, BTW what workload do you run?) or use some third-party software creating fault tolerant shared storage from DAS or investing into physical shared storage hardware (HA one of course).
Hi VR38DETT,
Thanks for responding. The hosts will cater a domain controller (on each host), Web filtering software (Websense), Anti-Virus (McAfee ePO), WSUS and an Auditserver as of the moment. Is the Hyper-V Replica somewhat give "high availability" to VMs or Hyper-V
hosts? Also, is the cluster required in order to implement it? Haven't tried that but worth a try.

High availability for file server and exchange with 2 physical servers

Dear Experts,
I have 2 physical server with local disks only. I want to setup below on same with high availability, please advise best prossible options. We will be using windows 2012 R2 Server..
1. Domain controller
2. Exchange 2013
As of now I am thinking of setting up below:
1. Install Hyper-v on both and create 3 VM on each as
-On Host A- 1 VM for DC, 1 VM for File server with DFS namespace and replication for file server HA and 1 VM for Exchange 2013 with CAS/MBX with DAG and DNS RR for Exchange HA
-On Host B - 1 VM for ADC, 1 VM for File server DFS member for above and 1 VM for Exchange 2013 CAS/MBX with DAG member
I have read on internet about new features called scale out file server (SoFS) in Windows 2012 Server but not sure that will be preferred for file sharing.
Any advise will be highly appreciated..
Thanks for the help in advance..
Best regards,

Dear Experts,
I have 2 physical server with local disks only. I want to setup below on same with high availability, please advise best prossible options. We will be using windows 2012 R2 Server..
1. Domain controller
2. Exchange 2013
As of now I am thinking of setting up below:
1. Install Hyper-v on both and create 3 VM on each as
-On Host A- 1 VM for DC, 1 VM for File server with DFS namespace and replication for file server HA and 1 VM for Exchange 2013 with CAS/MBX with DAG and DNS RR for Exchange HA
-On Host B - 1 VM for ADC, 1 VM for File server DFS member for above and 1 VM for Exchange 2013 CAS/MBX with DAG member
I have read on internet about new features called scale out file server (SoFS) in Windows 2012 Server but not sure that will be preferred for file sharing.
Any advise will be highly appreciated..
Thanks for the help in advance..
Best regards,
DFS is by far the best way to implement any sort of file server. Because a) failover is not fully transparent and does not happen always (say not on copy ) b) DFS cannot replicate open files so if you edit a big file and have node rebooted you're going to
lose ALL transactions/updates you've applied c) actually slows down the config. See:
DFS for failover
http://help.globalscape.com/help/wafs3/using_microsoft_dfs_for_failover.htm
DFS FAQ
http://technet.microsoft.com/library/cc773238(WS.10).aspx
(check "open files" point here)
DFS Performance
http://blogs.technet.com/b/filecab/archive/2009/08/22/windows-server-dfs-namespaces-performance-and-scalability.aspx
SoFS a) requires shared storage to run and you don't have one b) does not support generic workloads
(only Hyper-V and SQL Server) and c) technically makes sense to expand SAS JBOD or existing FC SAN to numerous Hyper-V clients over 10 GbE w/o need to invest money into SAS switches and HBAs and FC HBAs and new licenses FC ports. Making long story short:
SoFS is NOT YOUR CASE.
SoFS Overview
http://technet.microsoft.com/en-us/library/hh831349.aspx
http://www.aidanfinn.com/?p=12786
http://www.aidanfinn.com/?p=12786
For now you need to find some shared storage to be a back end for your hypevisor config (SAS JBOD from supported list, virtual SAN from multiple vendors like for example StarWind see below, make sure you review ALL the vendors) and then you create a failover
SMB 3.0 share for your file server workload. See:
Clustered Storage Spaces over SAS JBOD
http://technet.microsoft.com/en-us/library/jj822937.aspx
Virtual SAN from inexpensive SATA and no SAS or FC
http://www.starwindsoftware.com/native-san-for-hyper-v-free-edition
Failover
SMB File Server in Windows Server 2012 R2
http://www.starwindsoftware.com/configuring-ha-file-server-on-windows-server-2012-for-smb-nas
Fault
tolerant file server on just a pair of nodes
http://www.starwindsoftware.com/ns-configuring-ha-file-server-for-smb-nas
For Exchange you use SMB share from above for a file share witness and use DAG. See:
Exchange DAG
Good luck! Hope this helped :)
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

SQL Server Analysis Services (SSAS) 2012 High Availability Solution in Azure VM

I have been testing an AlwaysOn high availability failover solution in SQL Server Enterprise on an Azure VM, and this works pretty well as a failover for SQL Server Databases, but I also need a high availability solution for SQL Server
Analysis Server, and so far I haven't found a way to do this. I can load balance it between two machines, but this isn't working as a failover and because of the restriction of not being able to use shared storage in a Failover Cluster in Azure
VM's, I can't set it up as a cluster which is required for AlwaysOn in Analysis Services.
Anyone else found a solution to use an AlwaysOn High Availability for SQL Analysis Services in Azure VM? As my databases are read-only, I would be satisfied with even just a solution that would sync the OLAP databases and switch
the data connection to the same server as the SQL databases.
Thanks!
Bill

Bill,
So, what you need is a model like SQL Server failover cluster instances. (before sql server 2012)
In SQL Server 2012, AlwaysOn replaces SQL Server failover cluster, and it has been seperated to
AlwaysOn Failover Cluster Instances (SQL Server) and
AlwaysOn Availability Groups (SQL Server).
Since your requirement is not in database level, I think the best option is to use AlwaysOn Failover Cluster Instances (SQL Server).
As part of the SQL Server AlwaysOn offering, AlwaysOn Failover Cluster Instances leverages Windows Server Failover Clustering (WSFC) functionality to provide local high availability through redundancy at the server-instance level—a
failover cluster instance (FCI). An FCI is a single instance of SQL Server that is installed across Windows Server Failover Clustering (WSFC) nodes and, possibly, across multiple subnets. On the network, an FCI appears to be an instance of SQL
Server running on a single computer, but the FCI provides failover from one WSFC node to another if the current node becomes unavailable.
It is similar to SQL Server failover cluster in SQL 2008 R2 and before.
Please refer to these references:
Failover Clustering in Analysis Services
Installing a SQL Server 2008 R2 Failover Cluster
Iric Wen
TechNet Community Support

Transaction Log Truncate not working on Sql Server 2012 High Availability Groups

Hi Everyone
Firstly I have tried to search the forum for similar issues but can't seem to find any that match our situation.
We have a SQL Server 2012 High Availability Group with 2 Nodes
Node 1 = Primary
Node 2 = Secondary
Backup Schedule as follows
Full Database Backup @ 00:00
Transaction Log Backup every 30 minutes from 00:30:00 till 23:59:59.
These backups are run by Maintenance Jobs, but we have also tried doing direct backups in SSMS using Backup Database and Backup Log commands.
Before we configured the High Availability group the transaction log backups worked fine.
After we configured the High Availability group we performed a Full Backup and the T-Log schedule did the T-Log backup. The 1st T-log backup truncated the log (Used space Decreased) as expected.
However subsequent T-Log backups do not truncate the T-Log.
This happens both in our acceptance and Live environments. This also happens when running the backups as a Backup operator and sysadmin, this does not seem to be a permissions issue at all.
We have tried running the Backup on the Primary and Secondary Replica.
What about High Availability groups could stop Transaction Log Backups from not truncating the log?
Thanks
James

Hi Sean
Thank you for your reply, please see the output of the sys.databases query below, and some others which you may find usefull.
Query: select database_id,recovery_model_desc, log_reuse_wait, log_reuse_wait_desc from sys.databases
where database_id = 5
Result: database_id   recovery_model_desc   log_reuse_wait   log_reuse_wait_desc
                 5
FULL   0
NOTHING
I also ran the following
select database_id, truncation_lsn, last_received_lsn, last_commit_lsn, last_hardened_lsn, last_redone_lsn,*
from sys.dm_hadr_database_replica_states
go
database_id
truncation_lsn
last_received_lsn
last_commit_lsn
last_hardened_lsn
last_redone_lsn
database_id
group_id
replica_id
group_database_id
is_local
synchronization_state
synchronization_state_desc
is_commit_participant
synchronization_health
synchronization_health_desc
database_state
database_state_desc
is_suspended
suspend_reason
suspend_reason_desc
recovery_lsn
truncation_lsn
last_sent_lsn
last_sent_time
last_received_lsn
last_received_time
last_hardened_lsn
last_hardened_time
last_redone_lsn
last_redone_time
log_send_queue_size
log_send_rate
redo_queue_size
redo_rate
filestream_send_rate
end_of_log_lsn
last_commit_lsn
last_commit_time
low_water_mark_for_ghosts
5
1231833000417170000000
1231833000418880000000
1231833000418880000000
1231833000418890000000
1231833000418880000000
5
1391A499-3F9A-47D5-BCE0-70BC204E2A5B
7E8BFC2E-363F-4C48-86F0-C276D3E0C8D9
0581E17A-6B7B-4B8F-9288-BF765BFBCE77
0
2
SYNCHRONIZED
1
2
HEALTHY
NULL
NULL
0
NULL
NULL
4294967295429490000000000
1231833000417170000000
1
41863
1231833000418880000000
41863
1231833000418890000000
41863
1231833000418880000000
41863
0
25541
0
84404
75304
1231833000418880000000
1231833000418880000000
41863
441019861
5
1231833000417170000000
NULL
1231833000418880000000
1231833000418890000000
NULL
5
1391A499-3F9A-47D5-BCE0-70BC204E2A5B
83B9F00E-D63F-4AC0-98FC-35E48FFA2C6F
0581E17A-6B7B-4B8F-9288-BF765BFBCE77
1
2
SYNCHRONIZED
1
2
HEALTHY
0
ONLINE
0
NULL
NULL
4294967295429490000000000
1231833000417170000000
NULL
NULL
NULL
NULL
1231833000418890000000
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
1231833000418880000000
1231833000418880000000
41863
441019861
And
dbcc loginfo
go
RecoveryUnitId
FileId
FileSize
StartOffset
FSeqNo
Status
Parity
CreateLSN
0
2
458752
8192
1231828
0
128
0
0
2
458752
466944
1231829
0
128
0
0
2
458752
925696
1231830
0
128
0
0
2
712704
1384448
1231831
0
128
0
0
2
19398656
2097152
1231832
0
128
1229654000000040000000
0
2
10199171072
21495808
1231833
2
128
1229656000000010000000
0
2
10199171072
10220666880
0
0
64
1229656000000010000000
0
2
10199171072
20419837952
1231827
0
64
1229656000000010000000
0
2
10199171072
30619009024
0
0
128
1229656000000010000000
0
2
10199171072
40818180096
0
0
128
1229656000000010000000
0
2
10199171072
51017351168
0
0
128
1229656000000010000000
0
2
10199171072
61216522240
0
0
128
1229656000000010000000
0
2
10199171072
71415693312
0
0
128
1229656000000010000000
0
2
10199171072
81614864384
0
0
128
1229656000000010000000
0
2
536870912
91814035456
0
0
64
1229989001661260000000
0
2
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0
0
64
1229989001661260000000
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92887777280
0
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64
1229989001661260000000
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1230382000038660000000
0
2
536870912
185766445056
0
0
128
1230382000038660000000
The create LSN column seems to have been truncated so here is is again, sorry for the bulky reply.
CreateLSN
0
0
0
0
1229654000000041600001
1229656000000012000001
1229656000000012000001
1229656000000012000001
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1229989001661260800316
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1230355000086934400510
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1230355000086934400510
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1230373000054757600431
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1230373000054757600431
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1230382000038664800234
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1230382000038664800234
1230382000038664800234
1230382000038664800234
1230382000038664800234
1230382000038664800234
1230382000038664800234
1230382000038664800234
1230382000038664800234
1230382000038664800234
1230382000038664800234
Thanks
James

WebLogic Server clusters not high available!!

          I'm working with WebLogic Server 6.0.
          I try to connect to cluster using explicit IP addresses.
          For this case,first ,I cluster server A,B and C ,then client try to look up home
          interface at server A.
          After server A return home reference ,client creates EJB object and calls method
          using that reference .
          If server A fail, it still working with others server ,B and C.
          But if new client try to find home reference at server A ,he can't.
          This situation means that WebLogic Server cluster is not high availability or
          I did something wrong with configuration?
          And if I missed something ,how can I fix it?
          Thanks for your attention.


Hi King,
          If you look up at a non-existent IP/port, then it will not respond. That is
          expected behavior.
          You should not be using an explicit IP like that. At least use DNS round
          robin.
          Peace,
          Cameron Purdy
          Tangosol Inc.
          Tangosol Coherence: Clustered Coherent Cache for J2EE
          Information at http://www.tangosol.com/
          "KING TEAM" <[email protected]> wrote in message
          news:3c449200$[email protected]..
          >
          > I'm working with WebLogic Server 6.0.
          > I try to connect to cluster using explicit IP addresses.
          >
          > For this case,first ,I cluster server A,B and C ,then client try to look
          up home
          > interface at server A.
          >
          > After server A return home reference ,client creates EJB object and calls
          method
          > using that reference .
          >
          > If server A fail, it still working with others server ,B and C.
          >
          > But if new client try to find home reference at server A ,he can't.
          >
          > This situation means that WebLogic Server cluster is not high availability
          or
          > I did something wrong with configuration?
          >
          > And if I missed something ,how can I fix it?
          >
          > Thanks for your attention.
          >
          >

Windows 2012 Standard File Server Clustering SMB Share Error: Access is denied.

Hi All,
My setup consist of 2 nodes clustered with File Server role. I can successfully failover role to either node with no issues. But if I try to modify the permissions of any file share on my file server cluster I get the following error: Error
Occurred while updating an SMB share: Access is denied. Access is denied.
Now I played around with the permissions on these shares and noticed that when I add the "everyone" group to these shares with change permissions I can successfully modify the shares with no errors. If I removed the "everyone" group
I get the error. So to tell its like some service or account needs permission to these shares to be able to modify them. I don't want to keep "everyone" group on these shares. Can anyone please shed some light on what group, user,
or service account needs permissions on these shared in order for me to modify these SMB shares without getting Access is denied. Thanks

Hi,
It seems your account don’t have the enough right to modify this clustered folder permission.
More information:
Create a Shared Folder in a Clustered File Server
http://technet.microsoft.com/en-us/library/cc732302.aspx
Hope this helps.
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are trying to better understand customer views on social support experience, so your participation in this
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Thanks for helping make community forums a great place.

Which role do I need DFS or File server on fail over cluster server 2012 R2?

what I want to achieve is that I want to share all my user data files in a central location and to be highly available all the time whether it's a general share or folder redirection data. BUT I'm a bit confused; I have fail over cluster set-up
on server 2012, now I would like to add DFS as a role but than we have another role called File server and virtually it does the same thing as DFS? Means it creates a namespace share that can be access even one of the nodes goes down. Now I am thinking is
that DFS does the replication between two physical location but fail over cluster works slightly differently and with file server it pretty much does the same thing except for replicating data from one drive to another. Now what do you suggest I do or
did I get the concept wrong like a noob?

DFS and Failover Clustering for file shares provides a similar end result for file access, but they are significantly different implementations.
Clustering provides high availability to files by presenting shared access to set a files served from a cluster. With 2012 R2 Microsoft added the ability to create a Scale-out File Server that even allows all nodes of the cluster to server access to
the files for a higher level of performance and other great things. Bottom line with Failover Clusters for files is that there is a single copy of the file presented from the cluster.
DFS on the other hand provides high availability to files by presenting multiple copies of the file by making a copy in two or more locations and presenting a naming space that allows access to the file through any of the network paths. DFS works very
well for files that are primarily read-only. When you get into a situation where there is a lot of updating of the shared files, DFS is not a very good solution. There are ways to implement DFS for read/write files, but it generally requires a
good knowledge of how the files are used and how you want to manage them.
The key to answering your question comes in your first sentence "I want to share all my user data files in a central location and to be highly available all the time". My initial reaction to this is that central location means Failover Cluster
- there is only a single copy of the file. However, "all the time" can be compromised by network failures to the central site. Remote sites would not have access if they can't access the central site. DFS provides the ability to
have copies remotely, but then if you allow updating at multiple sites, you have to manage the merging of the changes, among other things.
. : | : . : | : . tim

2012 R2 - Clustering High Availability File Server

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