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13 views

Not able to add a node into windows failover cluster

I had two node cluster but due to disk corruption one node was removed. After maintenance when second node came back we tried to add it into the cluster but getting exception. I checked the even log ...
2
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1answer
59 views

SQL Server takes an hour to fail over to secondary node

I am at a new job, we have a 2008 R2 (SP1) WSFC which hosts SQL Server 2008 FCI. Each node has it's own storage, nodes are 32 core with 32 GB memory (don't ask me why it is configured this way). ...
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0answers
461 views

DATABASE lacks a quorum of nodes for high availability

Just after setting up successfully alwayson - availability group, testing the failover, I get this error message: TITLE: Microsoft SQL Server Management Studio Failed to resume data movement in ...
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0answers
9 views

Windows 2016 Workgroup failover cluster

I am building a two node Window failover cluster for SQL Server AG. I am getting following errors in the cluster log. Please help me to resolve the error. Thanks
0
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0answers
117 views

Sync PostgreSQL with Cloud and multi Local Locations

I need help with a complex (for me) multi server setup with PostgreSQL. I have to setup a Cloud Server and 3 Local Servers for our company. Each Server will have: Linux Ubuntu 16.04 Docker ...
1
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0answers
28 views

Enabling FileStream in existing clustered servers in SQL Server 2012

I have heard that enabling FileStream in an already existing clustered environment is tough. I'm working on a consolidation project and currently analyzing the impact it will have if we migrated DBs ...
0
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1answer
47 views

Availability Group Upgrade 2012 to 2016 Data Move

I'm working with a team to upgrade a four node AlwaysOn Availability Group from SQL Server 2012 to 2016. Two of the nodes are local and two are in Azure. The database holds a large amount of data (2 ...
0
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0answers
85 views

TDE Enabled DB Always Going Into “Recovery Pending” on Secondary Node [duplicate]

I have a Windows Failover Cluster set up with SQL 2016 Enterprise SP2. TDE was implemented on a DB, on node1 the DB is able to start without issues. However, when a failover occurs, on node2 the DB ...
0
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1answer
33 views

Remove Windows FCI completely

When I built the cluster I forgot to uncheck the storage. It's now giving me all sorts of errors. How can completely remove the cluster so I can rebuild it? This is a 3 node cluster and I evicted two ...
0
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1answer
75 views

File Share Witness with 4 Node Cluster

I am building a cluster of 4 nodes along with a file share witness. Every month due to server updates the server that holds the file share will need to be rebooted. My question is while the file ...
0
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1answer
128 views

Automatic fail over in Always on availability group with 3 Node in synchronous mode and 1 Node in Asynchronous Mode

I am laying out a plan where there will be 3 Node on site with automatic fail over with synchronous mode and 1 remote replica with asynchronous mode. My question is if the primary goes down which node ...
1
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1answer
417 views

Edition upgrade on SQL Server failover clustered instance

We did Edition upgrade on our active node for the SQL Server instance SQL01 and that was successful. I have a question/doubt --> Do I need to proceed the same on other node as well since SQL Server ...
0
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1answer
303 views

IP address to use with FCI, Always On AG and Always On (AG) FCI

My understanding is that HA can be achieved using either of the below and my concern was which IP address should client applications use when connecting to SQL Server: Failover Clustering: For this ...
0
votes
1answer
176 views

Automatic failover (Clustering/Always On AG)

Let's says we have 2 nodes (N1, N2) clustered (say C1) on-site. And an Always On AG is configured between this cluster C1 and a new SQL server instance N3 (N3 is off-site). Now, if there is a problem ...
0
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0answers
110 views

Moving tempdb from shared to local drive in a failover cluster

We have an existing failover cluster that I would like to have the tempdb in local drive. I'm not sure how to proceed. My thought process is below: Create two drives on each node one for tempdb and ...
3
votes
1answer
1k views

Always ON - What is the difference between the virtual cluster name and Listener

In clustering you specify DNS name/IP address of cluster that is then used by all applications. In case of failover, the same DNS name/IP address will point to the appropriate database server. In ...
1
vote
1answer
5k views

Always On Failover Clustering vs Always On Availability Groups

I have some concerns over my understanding of SQL Server Always On. Kindly can you correct me (conceptually) where needed: Always On Clustering and Always On Availability Groups are 2 separate ...
2
votes
1answer
337 views

Repmgr: Error to promote Standby Cluster to Master Cluster in failover

I maked the configuration of the failover system based in Repmgr, but i don't haved success to promote the Standby Cluster to Master Cluster in case of failover. Following my configurations, this ...
3
votes
1answer
86 views

Any Reason to have Regular Failover Clustering in Azure Cloud?

Is there a reason to have Regular SQL Failover Clustering when database is in Azure Cloud? I understand the benefits having Availability Groups in Azure Cloud for Database-Level protection. People ...
1
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1answer
79 views

Shouldn't Windows Server Failover Clustering already take care of SQLServer Failover Clustering?

After reading this question, Are "Always On Failover Cluster Instances" and "SQL Server Failover Clustering" the same thing? If Windows Server Failover Clustering is installed, ...
1
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1answer
169 views

Azure Failover Clustering vs On Premise Failover Clustering

Azure AlwaysOn FCI Failover Clustering IaaS VMs seem to have a different diagram compared to On-Premise Failover Clustering. Azure has two storage for 2 Vms; Traditional On-Premise contains 1 Shared ...
1
vote
1answer
101 views

Is it a common pattern in having two AlwaysOn Availability Groups for DR and Reporting?

We have a primary OLTP server in the cloud. We intend to have Synchronous Alwayson Availability Group for Disaster Recovery, and another Availability Group AAG for Ad-hoc Query Reporting. This way ...
1
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0answers
497 views

VMWare Windows Failover Clustering - Cluster Node Removed

We have a 2012 Windows failover Cluster set up for SQL Server 2014 on VMWare ESXi, 6.0.0, 3620759. A couple weekends ago, our Server Admin made some updates to the the UCS Manager software, which in ...
1
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2answers
203 views

SQL Server 2014 Standard FCI Does Not Failover

Have a peculiar case where a previously working FCI, after installing a large backlog of Windows updates, is now failing often and not failing over. On occasion, and this appears to happen around ...
0
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1answer
321 views

Log Shipping failover when Primary is not accessible

Log Shipping Failover I have set up log Shipping with Cluster. In this scenario I want to simulate a situation when the whole cluster becomes inaccessible. My Steps for failover will be 1) Copy ...
1
vote
1answer
304 views

Why configuring automatic failover for SQL availibility group feature on sql failover cluster instance not allowed

I have set up an availability group where a primary is standalone server and replica is SQL failover cluster. This setup allows me only manual failover and when ever I try to set it automatic in FCI ...
0
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1answer
618 views

Can auto failover cause split-brain? (SQL AlwaysOn)

I have been studying Cluster voting and AlwaysOn failover. The topic of split-brain comes up and sounds terrible. This following from Microsoft seems to indicate that only a person with SA, doing ...
0
votes
2answers
523 views

SQL Failover Clustering with Availability Groups: Single or Multiple Databases

Company wants to implement AlwaysOn SQL Failover Clustering with Availability Groups, for server level and data protection. Are arrangements below, only possible if 1 database is on the server, or ...
0
votes
1answer
469 views

Migrate from SQL 2016 Failover Cluster to Availability Groups

We have a 16 node SQL 2016 failover cluster with around 20 SQL instances and total number of databases around 600. Since we are upgrading our hardware to Hyper-Converged infrastructure which has ...
1
vote
1answer
415 views

SQL Always on availability with failover and mixed authentication

I have 2 boxes running SQL Server 2016, and set up using Always On Availability. I have a listener set up to choose which server to talk to in case of a failover, which seems to work fine, except for ...
2
votes
2answers
579 views

In 2-node cluster using failover with Dynamic Quorum, is Witness needed?

I have a 2-node cluster on SQL Server 2016 Standard with failover clustering configured with Dynamic Quorum. There is one thing that made me confused: do we really need a Witness in this case? Since ...
0
votes
1answer
899 views

SQL Server Standard Edition Failover Cluster Installing Windows Updates

i have a question concerning the installation of sql server updates on a sql server 2012 standard edition failover cluster. For example a service pack installation. Is it possible to install the ...
0
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2answers
2k views

Always on Failback

Does always on supports automatic failback like sql cluster? Since the preferred owners and possible owners are controlled by the AG how can a particular node be set as preferred primary when failback ...
0
votes
1answer
813 views

SQL Clustering Preferred Owners

I noticed that in the sql failover clustering under the possible owners none of the nodes has been checked, I have a two node cluster does that mean in the event of failover it will failover to any of ...
0
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1answer
78 views

Sql clustering sql server account

Does both the sql cluster nodes needs to use the same service account ? In my environment I saw one one was using a service account and another was using a local account although the sql agent was ...
1
vote
1answer
343 views

SQL server standard 2016 fail over cluster Amazon AWS

I am in the process of migrating to Amazon AWS and need a SQL server high availability solution. The current licence that I have is SQL standard 2016. At this time Amazon does not support shared ...
1
vote
1answer
435 views

Always on Failover Cluster

This is the error message I get on my replica when there is a connection timeout for few seconds with the Primary. Can anyone tell me whats going on and why are the available storage being moved as ...
0
votes
1answer
540 views

Connectivity timeout between cluster nodes

I lose communication between my clusters almost 1 am to 1.30 am and it shows errors like 35206 on primary, 976 on clusters, sometimes the cluster is removed due to lost heartbeat leading to 1135 error ...
0
votes
0answers
550 views

Adding Azure VM as 3rd node to the 2-node On-Premise Windows Server Failover Cluster - Problem

We have 2-node WSFC, which is hosted on-premise in our datacenter This WSFC is running one clustered role which is SQL Server Availability Group Node-1: Windows Server 2016 - two subnets - 192.168.7....
0
votes
1answer
177 views

MySQL replication with DRBD - Can we use Old master as slave after failover?

I have configured MySQL replication with DRBD, and now its working fine, Incase if something happens to my master then Slave will promote as Master. My question is after the failover(lets assume ...
0
votes
2answers
2k views

Stopping SQL Services on Active Node [closed]

I have an active passive SQL Cluster. When I stop the SQL services on active node from SQL Server Configuration Manager, the SQL cluster doesn't failover instead shows as Partially online. If SQL ...
0
votes
1answer
56 views

Can't run pcs -f cluster1.xml stonith create with PostgreSQL 9.6 on CentOS 7.3

Follow this guide to do PostgreSQL Automatic Failover: https://dalibo.github.io/PAF/Quick_Start-CentOS-7.html At this step: pcs -f cluster1.xml stonith create fence_vm_srv1 fence_virsh ...
1
vote
1answer
4k views

SQL Server Cluster Service Online Pending Status

I have 2 Nodes of SQL Cluster running SQL 2012 Ent over Windows 2012 R2 and i don't know suddenly what happened the service is not coming online. Under Failover Cluster Mannager > Roles > SQL > ...
1
vote
1answer
246 views

SQL Server AlwaysOn FCI vs AG Doubts

I have a big confusion between Always On FCI/AG. I know that for FCI you need to have shared disks and in-case of Hardware failure or OS failure or System reboot the instance with db, logins etc will ...
3
votes
1answer
349 views

Reporting services existing in SQL Cluster instance but unable to see on SSMS? [closed]

This is first time I am working on SQL Failover Cluster environment and I installed Reporting services on SQL server Failover Cluster Instance both Active Nodes(Node1 & Node2) and configured ...
4
votes
0answers
285 views

Should Full Text Filter Daemon Service be a cluster resource?

Our newly installed and configures Sql Server Always On Availability Failover Cluster with Sql 2016 Enterprise Edition with four instances and six nodes. It includes the DB Engine Service and the ...
0
votes
1answer
194 views

Automatic MYSQL failover

We have a wordpress environment however this is not a wordpress question. Our scenario is that front Ends connect to a MYSQL backend (MYSQL VM1) which is replicated to a backup vm (MYSQL VM2). The ...
3
votes
3answers
2k views

MySQL H.A with automatic failover

MySQL has a lot of different highly available solutions, I would like to know what are the differences between all the current implementations, here are the implementations that look currently up to ...
0
votes
1answer
62 views

Storage does not failover in Windows cluster

I created a lab setup for a 2 node cluster using Windows 2012 R2. I first configured the quorum and performed a failover between both the nodes, the quorum would also map to the respective node. But ...
0
votes
1answer
244 views

Can I seed Percona XtraDB cluster from the existing backup?

I have a running setup of Percona MySQL 5.7. I would like to try out Percona XtraDB cluster. The current data size is ~500GB. From what I've observed (seen in a couple of YouTube videos: https://www....