<div>
                    Hello,
                </div><div><br></div><div>We're having seemingly random errors in our nginx error log for unlink errors, here's a small exerpt:</div><div><br></div><div><ul class="events" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 16px; font-family: inherit; vertical-align: baseline; list-style-type: none; list-style-position: initial; list-style-image: initial; word-wrap: break-word; line-height: 16px; background-color: rgb(17, 17, 17); "><li data-event-id="61953643766747137" data-system="nginx-02" data-program="error.log" data-max-id="61953668836102146" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 15px; padding-bottom: 0px; padding-left: 30px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: monaco, monospace, courier, 'courier new', 'Bitstream Vera Sans Mono'; vertical-align: baseline; color: rgb(221, 221, 221); text-indent: -15px; line-height: 16px; "><time datetime="2011-10-15T19:48:42Z"><node class="node_314159265">Oct 15 12:48:42</node></time> <span class="system" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(38, 38, 38); color: rgb(181, 137, 0); background-position: initial initial; background-repeat: initial initial; "><a href="https://papertrailapp.com/systems/nginx-02/events?centered_on_id=61953643766747137" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; color: inherit; text-decoration: none; "><node class="node_314159265">nginx-02</node></a></span> <span class="program" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(38, 38, 38); color: rgb(37, 140, 205); background-position: initial initial; background-repeat: initial initial; "><a href="https://papertrailapp.com/systems/nginx-02/events?centered_on_id=61953643766747137&q=error.log" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; color: inherit; text-decoration: none; "><node class="node_314159265">error.log</node></a>:</span> <span class="message" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; white-space: pre-wrap; word-wrap: break-word; "><node class="node_314159265">2011/10/15 19:48:42 [crit] 16166#0: unlink() "/tmp/nginx/proxy_cache/d/66/c935ad9f8d9651ea5ad3cbc1fed9a66d" failed (2: No such file or directory)</node></span></li><li data-event-id="61953676335521792" data-system="nginx-01" data-program="error.log" data-max-id="61953897262096385" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 15px; padding-bottom: 0px; padding-left: 30px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: monaco, monospace, courier, 'courier new', 'Bitstream Vera Sans Mono'; vertical-align: baseline; color: rgb(221, 221, 221); text-indent: -15px; line-height: 16px; "><time datetime="2011-10-15T19:48:50Z"><node class="node_314159265">Oct 15 12:48:50</node></time> <span class="system" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(38, 38, 38); color: rgb(181, 137, 0); background-position: initial initial; background-repeat: initial initial; "><a href="https://papertrailapp.com/systems/nginx-01/events?centered_on_id=61953676335521792" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; color: inherit; text-decoration: none; "><node class="node_314159265">nginx-01</node></a></span> <span class="program" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(38, 38, 38); color: rgb(37, 140, 205); background-position: initial initial; background-repeat: initial initial; "><a href="https://papertrailapp.com/systems/nginx-01/events?centered_on_id=61953676335521792&q=error.log" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; color: inherit; text-decoration: none; "><node class="node_314159265">error.log</node></a>:</span> <span class="message" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; white-space: pre-wrap; word-wrap: break-word; "><node class="node_314159265">2011/10/15 19:48:49 [crit] 27483#0: unlink() "/tmp/nginx/proxy_cache/c/50/9e00745b7ef68a151032293af8b2050c" failed (2: No such file or directory)</node></span></li><li data-event-id="61953902844715009" data-system="nginx-01" data-program="error.log" data-max-id="61954612609032192" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 15px; padding-bottom: 0px; padding-left: 30px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: monaco, monospace, courier, 'courier new', 'Bitstream Vera Sans Mono'; vertical-align: baseline; color: rgb(221, 221, 221); text-indent: -15px; line-height: 16px; "><time datetime="2011-10-15T19:49:44Z"><node class="node_314159265">Oct 15 12:49:44</node></time> <span class="system" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(38, 38, 38); color: rgb(181, 137, 0); background-position: initial initial; background-repeat: initial initial; "><a href="https://papertrailapp.com/systems/nginx-01/events?centered_on_id=61953902844715009" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; color: inherit; text-decoration: none; "><node class="node_314159265">nginx-01</node></a></span> <span class="program" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(38, 38, 38); color: rgb(37, 140, 205); background-position: initial initial; background-repeat: initial initial; "><a href="https://papertrailapp.com/systems/nginx-01/events?centered_on_id=61953902844715009&q=error.log" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; color: inherit; text-decoration: none; "><node class="node_314159265">error.log</node></a>:</span> <span class="message" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-weight: inherit; font-style: inherit; font-size: 12px; font-family: inherit; vertical-align: baseline; white-space: pre-wrap; word-wrap: break-word; "><node class="node_314159265">2011/10/15 19:49:43 [crit] 27483#0: unlink() "/tmp/nginx/proxy_cache/b/50/0d58d2fff99fdbe14755273fbe7f750b" failed (2: No such file or directory)</node></span></li><li></li></ul></div><div><br></div><div>I have no idea what's going on here or how to track it down. Any assistance would be great here.</div><div><br></div><div>Thanks!</div><div><br></div><div>--Ken</div><div><div>clipboard, inc. </div><div>we're hiring!: www.clipboard.com/jobs</div><br></div>