[Gluster-users] about split-brain

[Roman]

Hello,

Did you wait for synchronization to complete before plugging second server
off? Usually it need 10-15 minutes. Sometimes faster.


2014-08-08 5:19 GMT+03:00 hwh at sangfor.com <hwh at sangfor.com>:

> hi:
>
> I have a problem about split-brain, details as below:
>
> PC1 and PC2 is AFR, stored a file 1.txt
>
> 1. write "123" to 1.txt, then 1.txt in pc1 is same with 1.txt in PC2,
> content is "123"
>
> 2. PC1  network disconnect, write "45" to 1.txt, then  content of 1.txt
> in pc1 is "123",
>
>    content of 1.txt in pc2 is "12345"
>
> 3. PC2  network disconnect, but PC1 network is good, write "67" to 1.txt,
>  then  content of 1.txt in pc1 is "12367",
>
>    content of 1.txt in pc1 is "12345"
>
> 4. so split brain occur
>
>
> how glusterfs avoid this? Have some ways to solve? this is my questions.
> thank you
>
> ------------------------------
> hwh at sangfor.com
>
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>



-- 
Best regards,
Roman.
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