Questions tagged [fault-tolerance]
The fault-tolerance tag has no usage guidance.
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Multi-site high availability
We have a SaaS application that we need to be highly available. We already have an expensive, well-maintained Hyper-V failover cluster, but today the datacenter where we host that cluster had a five-...
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Is round-robin DNS a possible solution for high availability?
Let's say I have 2 IPs for a given domain (round-robin DNS).
If one the IPs becomes unresponsive, will clients try to connect to the other IP? or they will just fail to establish comunication with the ...
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Fault-tolerant NFS?
Probably a FAQ but I haven't found anything useful after a while of searching:
Can I set up NFS in such a way that every single error (e.g. server CPU, hard disk, hd controller, network adapter, ...
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Minimum number of disks to implement RAID6
RAID6 is intended to provide fault tolerance in the event 2 disks fail.
What is the minimum number of disks required to implement RAID6?
thanks
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SQL Server 2008 R2 100% availability
Is there any way to provide 100% uptime on SQL Server 2008 R2?
From my experience, the downtimes for the different replication methods are:
Log Shipping: Lots (for DR only)
Mirroring w. NLB: ~ 45 ...
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Combine 2 logical raid 0 drives to 1 logical raid 1 drive
I have an HP Proliant server with an P410i embedded array controller.
The server was originally setup with 6 physical drives with the OS on 1 logical drive with a raid 0 and 5 physical drives setup ...
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What is the importance of "RpcClientAccessServer" on a database in an Active/Active stretched DAG?
I have two sites with a stretched DAG between them. By "sites" I mean two AD sites that correspond with different physical and network circuits.
When I take an individual mailbox database and move ...
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Advantage of Microsoft Cluster over Microsoft Network Load Balancer
Till recently, I assumed that Microsoft NLB worked at an OS/Machine level rather than an Application Level. i.e. the NLB just monitors heartbeats on the machine to check if machine is alive and then ...
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Round robin DNS and fault tolerance (web service, windows 2008)?
What "Round robin DNS" services do you know/use? I am interesting in free and commercial variants. I have domain and a few ip addresses from each server. But i think that some servers (Windows Sever ...
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VMware ESXi/vSphere Fault Tolerance vCPU Limit
So I am aware that VMs in FT mode are limited to a single vCPU. Is it possible to assign multiple cores to the single vCPU, and still have the VM support FT mode? Or are you forced to use both a vCPU ...
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