<div dir="ltr">I was just curious, and I concur that there is no logic in not just using the defaults. </div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 4, 2018 at 1:46 PM, Yaniv Kaul <span dir="ltr"><<a href="mailto:ykaul@redhat.com" target="_blank">ykaul@redhat.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="auto"><span class=""><div><br><div class="gmail_extra"><br><div class="gmail_quote">On Jan 4, 2018 7:01 PM, "Donny Davis" <<a href="mailto:donny@fortnebula.com" target="_blank">donny@fortnebula.com</a>> wrote:<br type="attribution"><blockquote class="m_8808458127758312457quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Yaniv, <div><br></div><div>If there was a central logging server, would the hypervisors send them there and stop writing to disk (given its setup properly), or does it write them anyway?</div></div></blockquote></div></div></div><div dir="auto"><br></div></span><div dir="auto">We ship logs to the central logging, not instead of logging them locally. </div><div dir="auto">I reckon you could mount /var/log somewhere remotely, but I do not think it makes sense. </div><div dir="auto">Our logging is not intensive and has log rotation configured, so I'm not sure what the issue is. A r/o partition or a cheap SD card with limited write wear? </div><span class="HOEnZb"><font color="#888888"><div dir="auto">Y. </div></font></span><div><div class="h5"><div dir="auto"><br></div><div dir="auto"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="m_8808458127758312457quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><div><br></div><div><a href="https://www.ovirt.org/documentation/admin-guide/chap-Log_Files/" target="_blank">https://www.ovirt.org/document<wbr>ation/admin-guide/chap-Log_<wbr>Files/</a><br></div></div><div class="m_8808458127758312457elided-text"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 4, 2018 at 11:43 AM, Yaniv Kaul <span dir="ltr"><<a href="mailto:ykaul@redhat.com" target="_blank">ykaul@redhat.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="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Thu, Jan 4, 2018 at 5:04 PM, Donny Davis <span dir="ltr"><<a href="mailto:donny@fortnebula.com" target="_blank">donny@fortnebula.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="ltr">That makes more sense. Have you measured the write load on the disks from just the hypervisor processes. I have included a screen shot from mine, and the load is very low.... in the Kilobytes/sec</div></blockquote><div><br></div></span><div>And those are probably the logs, which will be written anyway...</div><span class="m_8808458127758312457m_-57317863471581346HOEnZb"><font color="#888888"><div>Y.</div></font></span><div><div class="m_8808458127758312457m_-57317863471581346h5"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><div>I am not sure of the implications of changing these parameters, and I do not see an perceivable benefits from doing so.</div><div><br></div><div><img src="cid:ii_160c1b37d7e86378" alt="Inline image 1" width="562" height="88"><br></div></div><div class="m_8808458127758312457m_-57317863471581346m_5670746344618478521HOEnZb"><div class="m_8808458127758312457m_-57317863471581346m_5670746344618478521h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 4, 2018 at 9:51 AM, andreil1 <span dir="ltr"><<a href="mailto:andreil1@starlett.lv" target="_blank">andreil1@starlett.lv</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space"><div style="word-wrap:break-word;line-break:after-white-space"><br><div><br><blockquote type="cite"><span><div>On 4 Jan 2018, at 14:52, Donny Davis <<a href="mailto:donny@fortnebula.com" target="_blank">donny@fortnebula.com</a>> wrote:</div><br class="m_8808458127758312457m_-57317863471581346m_5670746344618478521m_536199944709897671m_8193168839402672332Apple-interchange-newline"></span><span><div><div dir="ltr">What is the purpose in putting these directives in for the hypervisor?</div></div></span></blockquote><div><br></div><span><div>I have small node where system and data domains located on the same RAID.</div><div>Data domains are on separate partitions.</div><div>These options allow minimise disk access activity.</div><br></span><blockquote type="cite"><div><div class="gmail_extra"><br><span><div class="gmail_quote">On Thu, Jan 4, 2018 at 6:46 AM, andreil1 <span dir="ltr"><<a href="mailto:andreil1@starlett.lv" target="_blank">andreil1@starlett.lv</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi !<br>
<br>
Is it safe to turn on these options (noatime, nodiratime) in oVirt node fstab for these mount points?<br>
/home<br>
/<br>
/tmp<br>
/var<br>
/var/log<br>
/var/log/audit<br>
<br>
Node 4.2 installed on CentOS, not with node DVD.<br>
<br>
Thanks.<br>
<br>
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