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    <div class="moz-cite-prefix">On 06/07/2014 06:03 PM,
      <a class="moz-txt-link-abbreviated" href="mailto:david.zhang700@gmail.com">david.zhang700@gmail.com</a> wrote:<br>
    </div>
    <blockquote cite="mid:CB9A5DA9939F44B0948524455F32DEF9@JeffPC"
      type="cite">
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          12pt">
          <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 &#8216;diff&#8217;,just <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
                  class="Apple-converted-space">&nbsp;</span>copies to sinks
                only those blocks whose checksums don't match with those
                of source</span></span><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">.</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 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">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&#8217; checksums was
                stored&nbsp; when writing files or not stored and just need
                to be computed when self-healing?</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"></span></span> <br>
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    </blockquote>
    Hi David,<br>
    The block size is fixed at 128KB. The checksums are not stored
    anywhere, they are just computed when healing.<br>
    -Ravi<br>
    <blockquote cite="mid:CB9A5DA9939F44B0948524455F32DEF9@JeffPC"
      type="cite">
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          12pt">
          <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 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"></span></span>&nbsp;</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 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">David</span></span></div>
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      <pre wrap="">_______________________________________________
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    </blockquote>
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