`<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 26, 2017 at 2:12 PM, Olaf Marzocchi <span dir="ltr"><<a href="mailto:lists@marzocchi.net" target="_blank">lists@marzocchi.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>But dumps can also be saved as files on a normal dataset, right? provided enough space is left for them.<br></div></blockquote><div><br></div><div>No. The dump is a two-stage process.<br><br></div><div>When the system panics, it simply drops memory into the dump volume.<br></div><div>(Traditionally, it used to use the swap partition.)<br><br></div><div>Then, when the system is back up, you save that dump into regular files<br></div><div>for subsequent analysis.<br><br></div><div>If you're really tight for space, and aren't worried about debugging a panic, then<br>disabling dumps entirely (dupadm -d none) might be appropriate in this case.<br></div><div><br></div><div>(As an aside, I note that current OmniOS LTS - r151014 - doesn't understand<br></div><div>dumpadm -e, which is a shame.)<br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>
Olaf<br>
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<br><br><div class="gmail_quote">Il 26 gennaio 2017 12:38:27 CET, <a href="mailto:vab@bb-c.de" target="_blank">vab@bb-c.de</a> ha scritto:<blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<pre class="m_7489002513442133397k9mail"><blockquote class="gmail_quote" style="margin:0pt 0pt 1ex 0.8ex;border-left:1px solid #729fcf;padding-left:1ex"> NAME USED AVAIL REFER MOUNTPOINT<br> rpool/dump 41.5G 9.15G 41.5G -<br> rpool/swap 4.13G 13.0G 276M -<br></blockquote><br>The "dump" volume is much too big. Do a<br><br> dumpadm -e<br><br>This will print the "estimated" dump size. Then add a bit, and<br>set the new dump volume size with:<br><br> zfs set volsize=<new size> rpool/dump<br><br>For example, on my OmniOS file server:<br><br># dumpadm -e<br>Estimated dump size: 4.63G<br><br># zfs set volsize=6G rpool/dump<br><br># zfs list rpool/dump<br>NAME USED AVAIL REFER MOUNTPOINT<br>rpool/dump 6.00G 24.1G 6.00G -<br><br><blockquote class="gmail_quote" style="margin:0pt 0pt 1ex 0.8ex;border-left:1px solid #729fcf;padding-left:1ex"> I did not changed anything during instalation proccess, I've just<br> accepted all defaults<br></blockquote><br>Yes. The "traditional" installation usually sizes dump too big.<br>That is why I asked. :-)<br><br><br>Hope this helps -- Volker</pre></blockquote></div></div><br>______________________________<wbr>_________________<br>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">-Peter Tribble<br><a href="http://www.petertribble.co.uk/" target="_blank">http://www.petertribble.co.uk/</a> - <a href="http://ptribble.blogspot.com/" target="_blank">http://ptribble.blogspot.com/</a></div>
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