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1answer
276 views

Avoiding split brain DNS for a Fortigate Web Proxy

How can I avoid needing a split brain DNS setup with the setup outlined below? Background I have what "should" be a pretty basic setup using a Fortigate 200D. 'Third leg' setup using a DMZ ...
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0answers
203 views

RHEL/Centos 6 Cluster multi-site configuration with Pacemaker and split brain situation

I would configure a 4-nodes cluster using RHEL 6.5 and Pacemaker as reported in the official documentation ...
0
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0answers
37 views

Windows 2003 Cluster IP Conflict during failover. Possible Spilt Brain Syndrome?

I would like to ask if anyone had a case of IP Conflict on the Virtual Cluster IP Address resource occur ? It was observed that both Windows cluster nodes presented the Virtual IP address resource ...
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1answer
76 views

Split-DNS with a zone being generated automatically

I want to run a DNS setup where the zones are managed on an internal Active Directory DNS server. There is a slave DNS server on the edge on the network which runs BIND (I am open to switching this, I ...
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3answers
416 views

How to combine Active Directory with Split-Horizon DNS?

I'm in a quandary. I need to implement Split-Horizon DNS in my office based on subnet. For example: Users in 10.170.0.0/16 need to resolve "srv01.extra.company.com" to 10.170.0.5 10.25.0.170 Users ...
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0answers
178 views

Pacemaker with drbd split-brain on two nodes

Gentlemen, I have a question concerning active/passive split-brain when using pacemaker with drbd. I realize that split-brain is a long topic, but i am trying to solve one exact situation: if both ...
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2answers
151 views

DRBD protocol c and split brain

According to DRBD documentation of replication mode. Protocol C. Synchronous replication protocol. Local write operations on the primary node are considered completed only after both the local and ...
1
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1answer
382 views

Apache Cassandra Split Brain

First of all, apologies if this has been asked before, I cannot find an answer on Google or StackExchange. Is it possible to put Apache Cassandra into a split-brain scenario where a network ...
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1answer
27 views

After including DNS forwarder, not possibility to send email to the “forwarded domain”

I have a client non trusted domain, let say "domainA.com", I manage it with System Center 2012 installed in my company internal domain (let say domainB.lan). I have added forwarders in my dns to be ...
0
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1answer
301 views

How can I solve the “split brain” issue with only 2 physical servers?

I have 2 physical servers, each will contain 2 VMs; a VM with Postgres (9.2) running, and a VM running some Python software (which will connect to the Postgres server). I'm not tied to anything in ...
4
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1answer
847 views

Dual Primary OCFS2 DRBD encountered split-brain. Is recovery always going to be manual in this case?

I've got two webservers which each have a disk attached. This disk is synced between them using drbd (2:8.3.13-1.1ubuntu1) in 'dual-primary' mode, and over the top of this I run ocfs2 (1.6.4-1ubuntu1) ...
1
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1answer
133 views

Predict the number of primaries after a split-brain situation

I am trying to avoid a split brain situation using automatic split brain recovery policies explained at http://www.drbd.org/users-guide/s-configure-split-brain-behavior.html How to predict which ...
1
vote
1answer
547 views

Clustering filesystem for small files

I'm looking for a distributed filesystem which I could use for storing lots of small files (<1MB usually). What I want to get is: 2 servers which have the fs mounted themselves and mirror the ...