<div dir="ltr">I upgraded to r151020 in late Jan, and saw some strangeness with arcstat (l2size and l2asize were huge) before I did a reboot due to some instability a few weeks ago. I thought it was just a case of not using the latest arcstat, and things were running fine after a reboot so didn't pursue it.<div><br></div><div>I saw this post last week, and confirmed it was within my environment, so did the remove/re-add of the cache devices, then a complete reboot as well. The cache devices reported back their actual proper size (400GB) via "zpool iostat -v". Today I checked it again and this is what I see:</div><div><br></div><div># arcstat</div><div><div>read hits miss hit% l2read l2hits l2miss l2hit% arcsz l2size l2asize</div><div> 465 412 53 88 53 50 3 94 230G 4.4T 3.2T<br></div></div><div><br></div><div># zpool iostat -v</div><div><br></div><div>(other info snipped for brevity)</div><div><br></div><div><div>cache - - - - - -</div><div> c2t500117310015D579d0 816G 16.0E 54 23 2.32M 1.46M</div><div> c2t50011731001631FDd0 816G 16.0E 54 23 2.32M 1.46M</div><div> c12t500117310015D59Ed0 815G 16.0E 55 23 2.35M 1.46M</div><div> c12t500117310015D54Ed0 816G 16.0E 55 23 2.36M 1.46M</div></div><div><br></div><div><br></div><div>I'm just waiting for the next lockup/crash..</div><div><br></div><div>John, were you able to compile the fix, and if so, be able send me a copy? </div><div><br></div><div>Thanks.</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Apr 10, 2017 at 10:00 AM, Dan McDonald <span dir="ltr"><<a href="mailto:danmcd@omniti.com" target="_blank">danmcd@omniti.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><br>
> On Apr 9, 2017, at 10:27 PM, John Barfield <<a href="mailto:john.barfield@bissinc.com">john.barfield@bissinc.com</a>> wrote:<br>
><br>
> Thank you Dan.<br>
><br>
> Do you happen to have the process or know the location of a process document for only building ZFS?<br>
><br>
> Ive re-built only nfs from illumos-gate in the past to resolve a bug but im wondering how I would build and install only zfs. (if its even possible).<br>
><br>
> There are 2 bugs that we're suffering with at two different customer sites that didnt get into r151020 and Im not sure that we can make it till r151022 is released.<br>
><br>
> Thanks for any advice<br>
<br>
</span>You can build zfs the way you likely built NFS. Build it, replace it on an alternate BE (in zfs's case: /kernel/fs/amd64/zfs), and reboot.<br>
<br>
The only gotcha might be if a bugfix covers more than just ZFS itself... but for 7504, that's NOT the case. :)<br>
<div class="HOEnZb"><div class="h5"><br>
Dan<br>
<br>
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