<div dir="ltr">Hello,<div><br></div><div>Did you wait for synchronization to complete before plugging second server off? Usually it need 10-15 minutes. Sometimes faster.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
2014-08-08 5:19 GMT+03:00 <a href="mailto:hwh@sangfor.com">hwh@sangfor.com</a> <span dir="ltr"><<a href="mailto:hwh@sangfor.com" target="_blank">hwh@sangfor.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div><span></span>hi:</div><div><br></div><div>I have a problem about split-brain, <span style="background-color:rgba(255,255,255,0.8);color:rgb(51,51,51);font-family:Tahoma,Arial;font-size:12px;line-height:24px;text-align:justify">details as below:</span></div>
<div><span style="background-color:rgba(255,255,255,0.8);color:rgb(51,51,51);font-family:Tahoma,Arial;font-size:12px;line-height:24px;text-align:justify"><br></span></div><div><img src="cid:_Foxmail.1@3cb9493d-c71f-a259-3d75-166fc22eb7b2" border="0"></div>
<div>PC1 and PC2 is AFR, stored a file 1.txt</div><div><br></div><div>1. write "123" to 1.txt, then 1.txt in pc1 is same with 1.txt in PC2, content is "123"</div><div><br></div><div>2. PC1 network disconnect, write "45" to 1.txt, then <span style="font-size:10.5pt;line-height:1.5;background-color:window"> content of </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">1.txt in pc1 is "123", </span></div>
<div><span style="font-size:10.5pt;line-height:1.5;background-color:window"> </span></div><div><span style="font-size:10.5pt;line-height:1.5;background-color:window"> </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">content of </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">1.txt in pc2 is "12345"</span></div>
<div><span style="font-size:10.5pt;line-height:1.5;background-color:window"><br></span></div><div><span style="font-size:10.5pt;line-height:1.5;background-color:window">3. </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">PC2 network disconnect, but PC1 network is good, </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">write "67" to 1.txt,</span><span style="font-size:10.5pt;line-height:1.5;background-color:window"> then </span><span style="font-size:10.5pt;line-height:1.5;background-color:window"> content of </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">1.txt in pc1 is "12367", </span></div>
<div><span style="font-size:10.5pt;line-height:1.5;background-color:window"> </span></div><div><span style="font-size:10.5pt;line-height:1.5;background-color:window"> </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">content of </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">1.txt in pc1 is "12345"</span></div>
<div><br></div><div>4. so split brain occur</div><div><br></div><div><br></div><div>how glusterfs avoid this? Have some ways to solve? this is my questions. thank you</div>
<div><br></div><hr style="width:210px;min-height:1px" color="#b5c4df" size="1" align="left"><span class="HOEnZb"><font color="#888888">
<div><span><div style="MARGIN:10px;FONT-FAMILY:verdana;FONT-SIZE:10pt"><div><a href="mailto:hwh@sangfor.com" target="_blank">hwh@sangfor.com</a></div></div></span></div>
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Roman.
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