<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 9, 2015, at 8:05 AM, Robert A. Brock <<a href="mailto:Robert.Brock@2hoffshore.com" class="">Robert.Brock@2hoffshore.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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<div class="WordSection1"><p class="MsoNormal"><span style="font-size:10.0pt" class="">List,<o:p class=""></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt" class=""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt" class="">This is probably a silly question, but I’ve honestly never tried this and don’t have a test machine handy at the moment – can a pool be safely exported and re-imported later if it is currently resilvering?</span></p></div></div></div></blockquote><div><br class=""></div><div>yes.</div><br class=""><blockquote type="cite" class=""><div class=""><div lang="EN-GB" link="blue" vlink="#993366" class=""><div class="WordSection1"><p class="MsoNormal"><span style="font-size:10.0pt" class=""><o:p class=""></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt" class=""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt" class="">In the way of a bit of background, I have a pool made up with thirty or so 4TB Seagate disks with a firmware issue that results in their max temp being set at 40C as opposed to 60C. </span></p></div></div></div></blockquote><div><br class=""></div><div>yep, this is the broken 003 firmware from Seagate, know it well :-P</div><br class=""><blockquote type="cite" class=""><div class=""><div lang="EN-GB" link="blue" vlink="#993366" class=""><div class="WordSection1"><p class="MsoNormal"><span style="font-size:10.0pt" class="">This particular pool is
in an office building in Texas, in an air-conditioned server room. The condenser for this unit is in the building’s plenum and when the building a/c goes off over weekends in the summer my server room a/c struggles and temps run up to about 85F or so. This
is causing my pool to drop random disks lately (fmadm reports high temp and they get marked as removed from the pool), and I’ve only just narrowed it down to this firmware issue. Seagate firmware update utility is apparently Windows only, so the disks must
come out for the firmware update, but the pool is resilvering several disks with days remaining, hence my original query.
</span></p></div></div></div></blockquote><div><br class=""></div><div>fwflash might work, but it is unlikely Seagate knows anything about it. In any case,</div><div>firmware upgrades on production system is not a best practice.</div><div><br class=""></div><div>You can also disable the FMA agent, disk-transport, which is the agent responsible </div><div>for watching to ensure the temperature does not exceed the "temperature at which</div><div>the drive vendor says the drive should not be operated" The impact to you is that </div><div>the same agent detects other failures, such as predicted failures, that probably do</div><div>need to be noticed. For a short window, this option might work for you.</div><div><br class=""></div><div>Useful commands:</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>fmstat - shows the current FMA modules, and should include disk-transport</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>fmadm unload disk-transport</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>fmadm load disk-transport</div><div><br class=""></div><div>The temp checks (and PFA) are done once per hour, by default.</div><div> -- richard</div><div><br class=""></div><br class=""><blockquote type="cite" class=""><div class=""><div lang="EN-GB" link="blue" vlink="#993366" class=""><div class="WordSection1"><p class="MsoNormal"><span style="font-size:10.0pt" class=""><o:p class=""></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt" class=""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt" class="">Regards,<o:p class=""></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt" class="">Rob<o:p class=""></o:p></span></p>
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