Perhaps...<br><br>1.&nbsp; Copy off a chunk of it with a split-like tool (dd may do the trick with &quot;seek&quot;) or some code.&nbsp; Make the chunk small enough such that the chunk copy and the compressed version of the chunk will fit in 30GB.
<br><br>2.&nbsp; Compress the chunk.<br><br>3.&nbsp; Truncate the chunk off of the disk image.<br><br>4.&nbsp; Repeat.<br><br>It&#39;s risky, though, since the original file gets altered.<br><br>-Adam<br><br><div><span class="gmail_quote">
On 2/18/07, <b class="gmail_sendername">Eric Stein</b> &lt;<a href="mailto:eastein@wpi.edu">eastein@wpi.edu</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi all,<br><br>I&#39;ve got an interesting issue with disk usage.&nbsp;&nbsp;I have a hard disk image<br>(from dd) stored on a server, and it needs to be compressed it to make<br>room for other data.&nbsp;&nbsp;The image is 160 GB, but I only have 30 GB of free
<br>space to work with; the data isn&#39;t compressible enough to fit in 30 GB<br>in the meantime.&nbsp;&nbsp;I don&#39;t need the image right now and having only a<br>compressed copy is perfectly fine.&nbsp;&nbsp;How can I compress the image while
<br>simultaneously deleting the old data?&nbsp;&nbsp;I can think of a way to do it<br>using perl, dd, and some other tools, but I&#39;d much prefer to do it the<br>&quot;right&quot; way if there is one.<br><br>Eric<br>_______________________________________________
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<br>-- <br>-Adam