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I am trying to analyze a filehist report of a Spectrum Scale filesystem I recently collected. Given below is the data and I have put my interpretation in parentheses. Could someone from Sale development review and let me know if my interpretation is correct?
Filesystem block size is 16 MB and system pool block size is 256 KB.</div>
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<p align="center" style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;text-align:center">
<u><span style="font-size:18.0pt">GPFS Filehist report for Test Filesystem</span></u></p>
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<u><span style="font-size:18.0pt"><br>
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<span style="background:yellow;mso-highlight:yellow">All: Files<span style="mso-spacerun:yes">
</span>=<span style="mso-spacerun:yes"> </span>38,808,641 <b>(38 Million Total Files</b></span>)</p>
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All: Files in inodes<span style="mso-spacerun:yes"> </span>=<span style="mso-spacerun:yes">
</span>8153748</p>
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Available space<span style="mso-spacerun:yes"> </span>= 1550139596472320<span style="mso-spacerun:yes">
</span>1550140 GB<span style="mso-spacerun:yes"> </span>1550 TB</p>
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Total Size of files<span style="mso-spacerun:yes"> </span>= 1110707126790022</p>
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Total Size of files in inodes =<span style="mso-spacerun:yes"> </span>26008177568</p>
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Total Space<span style="mso-spacerun:yes"> </span>= 1123175375306752<span style="mso-spacerun:yes">
</span>1123175 GB<span style="mso-spacerun:yes"> </span>1123 TB</p>
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<span style="background:yellow;mso-highlight:yellow">Largest File<span style="mso-spacerun:yes">
</span>=<span style="mso-spacerun:yes"> </span>3070145200128 -<span style="mso-spacerun:yes">
</span>( <b>2.8 TB)</b></span></p>
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<span style="background:yellow;mso-highlight:yellow">Average Size<span style="mso-spacerun:yes">
</span>=<span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span>28620098 – (
<b>27 MB</b></span><b> )</b></p>
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Non-zero: Files<span style="mso-spacerun:yes"> </span>=<span style="mso-spacerun:yes">
</span>38642491</p>
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Average NZ size<span style="mso-spacerun:yes"> </span>=<span style="mso-spacerun:yes">
</span>28743155</p>
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<span style="background:yellow;mso-highlight:yellow">Directories<span style="mso-spacerun:yes">
</span>=<span style="mso-spacerun:yes"> </span>687233 <b>(Total Number of Directories)</b></span></p>
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Directories in inode<span style="mso-spacerun:yes"> </span>=<span style="mso-spacerun:yes">
</span>650552</p>
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Total Dir Space<span style="mso-spacerun:yes"> </span>=<span style="mso-spacerun:yes">
</span>5988433920</p>
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<span style="background:yellow;mso-highlight:yellow">Avg Entries per dir<span style="mso-spacerun:yes">
</span>=<span style="mso-spacerun:yes"> </span>57.5 <b>(Avg # files per Directory)</b></span><b></b></p>
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Files with indirect blocks<span style="mso-spacerun:yes"> </span>=<span style="mso-spacerun:yes">
</span>181003</p>
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File%ile represents the cummulative percentage of files.</p>
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Space%ile represents the cummulative percentage of total space used.</p>
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AvlSpc%ile represents the cummulative percentage used of total available space.</p>
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Histogram of files <= one 16M block in size</p>
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Subblocks<span style="mso-spacerun:yes"> </span>Count<span style="mso-spacerun:yes">
</span>File%ile<span style="mso-spacerun:yes"> </span>Space%ile<span style="mso-spacerun:yes">
</span>AvlSpc%ile</p>
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--------- -------- ---------- ----------<span style="mso-spacerun:yes"> </span>----------</p>
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<span style="mso-spacerun:yes"> </span><span style="background:yellow;mso-highlight:yellow">0<span style="mso-spacerun:yes">
</span>7,669,346<span style="mso-spacerun:yes"> </span>19.76%<span style="mso-spacerun:yes">
</span>0.00%<span style="mso-spacerun:yes"> </span>0.00% <b>( ~7 Million files <= 512 KB )</b></span></p>
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<span style="mso-spacerun:yes"> </span><span style="background:yellow;mso-highlight:yellow">1 25,548,588<span style="mso-spacerun:yes">
</span>85.59%<span style="mso-spacerun:yes"> </span>1.19%<span style="mso-spacerun:yes">
</span>0.86% - <b>(</b> ~<b>25 Million files > 512 KB <= 1 MB )</b></span></p>
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<span style="mso-spacerun:yes"> </span><span style="background:yellow;mso-highlight:yellow">2<span style="mso-spacerun:yes">
</span>1,270,115<span style="mso-spacerun:yes"> </span>88.87%<span style="mso-spacerun:yes">
</span>1.31%<span style="mso-spacerun:yes"> </span>0.95% - <b>(~</b>1<b> Million files > 1 MB <= 1.5 MB )</b></span></p>
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<span style="mso-spacerun:yes"> </span>32<span style="mso-spacerun:yes">
</span>10387<span style="mso-spacerun:yes"> </span>97.37%<span style="mso-spacerun:yes">
</span>2.43%<span style="mso-spacerun:yes"> </span>1.76%</p>
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Histogram of files with N 16M blocks (plus end fragment)</p>
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<span style="mso-spacerun:yes"> </span>Blocks<span style="mso-spacerun:yes">
</span>Count<span style="mso-spacerun:yes"> </span>File%ile<span style="mso-spacerun:yes">
</span>Space%ile<span style="mso-spacerun:yes"> </span>AvlSpc%ile</p>
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--------- -------- ---------- ----------<span style="mso-spacerun:yes"> </span>----------</p>
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<span style="mso-spacerun:yes"> </span><span style="background:yellow;mso-highlight:yellow">1<span style="mso-spacerun:yes">
</span>177550<span style="mso-spacerun:yes"> </span>97.82%<span style="mso-spacerun:yes">
</span>2.70%<span style="mso-spacerun:yes"> </span>1.95% ( ~177 K files <= 16 MB)</span></p>
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<span style="mso-spacerun:yes"> </span>100<span style="mso-spacerun:yes">
</span>640<span style="mso-spacerun:yes"> </span>99.77%<span style="mso-spacerun:yes">
</span>17.31%<span style="mso-spacerun:yes"> </span>12.54%</p>
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Number of files with more than 100 16M blocks</p>
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<span style="mso-spacerun:yes"> </span><span style="background:yellow;mso-highlight:yellow">101+<span style="mso-spacerun:yes">
</span>88121<span style="mso-spacerun:yes"> </span>100.00%<span style="mso-spacerun:yes">
</span>100.00%<span style="mso-spacerun:yes"> </span>72.46<b>% ( ~88 K files > 1600 MB)</b></span></p>
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