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<DIV>if <SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">cluster.data-self-heal-algorithm
set to ¡®diff¡¯,just <SPAN
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class=Apple-converted-space> </SPAN>copies to sinks only those blocks whose
checksums don't match with those of source</SPAN></SPAN><SPAN
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style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">.</SPAN></SPAN></DIV>
<DIV><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">my
questions:</SPAN></SPAN></DIV>
<DIV><SPAN
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style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">1.how
to know the block size?</SPAN></SPAN></DIV>
<DIV><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">2.blocks¡¯
checksums was stored when writing files or not stored and just need to be
computed when self-healing?</SPAN></SPAN></DIV>
<DIV><SPAN
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style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"></SPAN></SPAN> </DIV>
<DIV><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">Thank
you!</SPAN></SPAN></DIV>
<DIV><SPAN
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style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"></SPAN></SPAN> </DIV>
<DIV><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"><SPAN
style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">Best
Regards,</SPAN></SPAN></DIV>
<DIV><SPAN
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style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: small/16px arial, sans-serif; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">David</SPAN></SPAN></DIV></DIV></DIV></BODY></HTML>