<div>Check dmesg for any errors.</div><div><br></div><div>In particular look for disk I/O errors and use smartctl (smartmontools) to check for bad disk sectors. I've seen servers freeze entirely for a minute or more when trying to access a bad sector. That could lead to a big jump in the clock time for anything that was blocking on the disk I/O.</div>
<div><br></div><div>Also check for any swapping to disk happening.</div><div><br></div><div>-Steve</div><div><br></div><div><br></div><div><br></div><br><div class="gmail_quote">On 16 July 2013 10:46, Yehavi Bourvine <span dir="ltr"><<a href="mailto:yehavi.bourvine@gmail.com" target="_blank">yehavi.bourvine@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="rtl"><div dir="ltr">Hello,</div><div dir="ltr"> </div><div dir="ltr"> I am running FS on a physical server (16 core Xeon) and got the above error. The server runs entOS 5.9, and one of the latest FS gits.</div>
<div dir="ltr">
When I had this message FS was freezing for a while, and active calls lost the voice (I think, can't correlate exactly).</div><div dir="ltr"> </div><div dir="ltr">1.What does this message means on a non-virtualized server?</div>
<div dir="ltr">2. Can it explain the freeze?</div><div dir="ltr">3. What can I do to overcome it?</div><div dir="ltr"> </div><div dir="ltr"> Thanks! __Yehavi:</div></div>
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