Hyper-V Failover Cluster FAILURE(S)
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
Error,10/11/2017 1:26:32 PM,Microsoft-Windows-FailoverClustering,1557,Quorum Manager,Cluster service failed to update the cluster configuration data on the witness resource. Please ensure that the witness resource is online and accessible.
The Witness uses it's own NIC right? If the Witness isn't working correctly, I'm guessing the switch is the root of the issue, but only a guess.
No logs on the SAN showing anything wrong?
No issues on the SAN at all. As far as it's concerned everything os working properly.
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
Error,10/11/2017 1:26:32 PM,Microsoft-Windows-FailoverClustering,1557,Quorum Manager,Cluster service failed to update the cluster configuration data on the witness resource. Please ensure that the witness resource is online and accessible.
The Witness uses it's own NIC right? If the Witness isn't working correctly, I'm guessing the switch is the root of the issue, but only a guess.
No logs on the SAN showing anything wrong?
I'll have to look and see. I'm not sure as I haven't looked at the Quorum to see how it's configured. With have two hard downs it's wreaked havoc on the DFS and Exchange server.
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@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
Error,10/11/2017 1:26:32 PM,Microsoft-Windows-FailoverClustering,1557,Quorum Manager,Cluster service failed to update the cluster configuration data on the witness resource. Please ensure that the witness resource is online and accessible.
The Witness uses it's own NIC right? If the Witness isn't working correctly, I'm guessing the switch is the root of the issue, but only a guess.
No logs on the SAN showing anything wrong?
No issues on the SAN at all. As far as it's concerned everything os working properly.
Do the logs show traffic coming from both 172.20.200.x and 172.20.201.x to the SAN?
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@dashrender Actually the Quorum drive is volume 3.
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My Mistake. iSCSI 2014.3 is actually listed for both the Quorum and the primary LUN that contains all 42 VM's.
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@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
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@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
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What size pipe is between the switch and the router? Can you see if the pipe was tapped out around the time of the failure?
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
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@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
What size pipe is between the switch and the router? Can you see if the pipe was tapped out around the time of the failure?
It's never tapped out. We keep the Tegile Metrics up on our monitor that shows our SQL server performance and TotalMail server which communicates with the fleet trucks.
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks (RAID 1). All VMs are stored in 1 LUN on the SAN.
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6 hosts, failover cluster with local storage might be challenging, I don't really know anything about it.
I'm sure @scottalanmiller can give some info.
Depending on the age of the hosts, you might find yourself much better off with a two host setup with internal storage and something like StarWinds VSAN. 7 TB internal storage shouldn't be that hard to come by - though the performance needed might require some caching, etc.
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@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
I would think with hosting all VM's critical and not so critical in separate LUNS and hell across 2 separate SANs with replication.
We are a 24/7 operation and downtime is a huge no no.
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@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
I would think with hosting all VM's critical and not so critical in separate LUNS and hell across 2 separate SANs with replication.
We are a 24/7 operation and downtime is a huge no no.
If downtime is a no no, why separate the VMs?
Do you have one or two SANs?
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
I would think with hosting all VM's critical and not so critical in separate LUNS and hell across 2 separate SANs with replication.
We are a 24/7 operation and downtime is a huge no no.
If downtime is a no no, why separate the VMs?
Do you have one or two SANs?
We have 2 but the 2nd is for SQL data.
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@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
I would think with hosting all VM's critical and not so critical in separate LUNS and hell across 2 separate SANs with replication.
We are a 24/7 operation and downtime is a huge no no.
If downtime is a no no, why separate the VMs?
Do you have one or two SANs?
We have 2 but the 2nd is for SQL data.
So you don't have real HA anyhow? i.e. if either SAN fails, the VMs on the failed SAN are down.
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@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
I would think with hosting all VM's critical and not so critical in separate LUNS and hell across 2 separate SANs with replication.
We are a 24/7 operation and downtime is a huge no no.
If downtime is a no no, why separate the VMs?
Do you have one or two SANs?
We have 2 but the 2nd is for SQL data.
So you don't have real HA anyhow? i.e. if either SAN fails, the VMs on the failed SAN are down.
Exactly!
There's also a SQL server that's still running in bare metal.
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
I would think with hosting all VM's critical and not so critical in separate LUNS and hell across 2 separate SANs with replication.
We are a 24/7 operation and downtime is a huge no no.
If downtime is a no no, why separate the VMs?
Do you have one or two SANs?
We have 2 but the 2nd is for SQL data.
So you don't have real HA anyhow? i.e. if either SAN fails, the VMs on the failed SAN are down.
Exactly! There's also a SQL server running in bare metal.
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@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@dashrender said in Hyper-V Failover Cluster FAILURE(S):
@kyle said in Hyper-V Failover Cluster FAILURE(S):
@scottalanmiller , Is it possible to run local and SAN storage at the same time? Each node has 4 empty slots in each of the 6 nodes.
Yes.
Usually I'd load out the servers with tons on storage but they just have 2 drive in each server and they're only 146gb 15K SAS drives ran in RAID1.
I'm assuming that's where Hyper-V is installed. FYI, this is a waste of 15K drives - the hypervisor is rarely in use from the drives once it's up and running.
Hyper-V is installed on the server nodes using Server 2012 Datacenter on 2 disks. All VMs are stored in 1 LUN on the SAN.
Sure, this is a typical setup.
I would think with hosting all VM's critical and not so critical in separate LUNS and hell across 2 separate SANs with replication.
We are a 24/7 operation and downtime is a huge no no.
If downtime is a no no, why separate the VMs?
Do you have one or two SANs?
We have 2 but the 2nd is for SQL data.
So you don't have real HA anyhow? i.e. if either SAN fails, the VMs on the failed SAN are down.
Exactly!
There's also a SQL server that's still running in bare metal.
So you have at least 2 SQL servers? One bare metal and one VM?
