{"id":2652,"date":"2013-02-18T21:59:17","date_gmt":"2013-02-19T02:59:17","guid":{"rendered":"http:\/\/www.bytebot.net\/blog\/?p=2652"},"modified":"2013-02-18T21:59:21","modified_gmt":"2013-02-19T02:59:21","slug":"time-machine-making-mount_hfs-syslogd-use-cpu-resources","status":"publish","type":"post","link":"https:\/\/www.bytebot.net\/blog\/archives\/2013\/02\/18\/time-machine-making-mount_hfs-syslogd-use-cpu-resources","title":{"rendered":"Time Machine making mount_hfs &#038; syslogd use CPU resources"},"content":{"rendered":"<p>Time Machine decided to misbehave. I&#8217;m still running OS X 10.7.5.\u00a0<\/p>\n<p><tt>mount_hfs<\/tt> &amp; <tt>syslogd<\/tt> were consuming close to 100% CPU time (on this machine with 2 cores), so it was clearly grinding the system to a halt. I couldn&#8217;t kill the <tt>mount_hfs<\/tt> process (<tt>kill -9<\/tt>), but I could kill <tt>syslogd<\/tt> though it would repeatedly restart.<\/p>\n<p>Problem was only solved via power cycling. There was advice from Macworld titled: <a href=\"http:\/\/hints.macworld.com\/article.php?story=20071030233438149\">One fix for a runaway syslogd process<\/a>, but nothing from that was useful.<\/p>\n<p>Root cause seems to be another external disk going wonky. Yes, I&#8217;ve seen 2 disks die being Time Machine backups in a span of what, 3.5 years? Worrying trend.\u00a0<\/p>\n<p><code><br \/>\nroot           30064  88.0  0.0  2434804    776   ??  R    10:40am   2:45.62 \/sbin\/mount_hfs -u 99 -g 99 -m 755 -o nodev -o noowners -o nosuid -o owners \/dev\/disk1s2 \/Volumes\/Expansion Drive<br \/>\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Time Machine decided to misbehave. I&#8217;m still running OS X 10.7.5.\u00a0 mount_hfs &amp; syslogd were consuming close to 100% CPU time (on this machine with 2 cores), so it was clearly grinding the system to a halt. I couldn&#8217;t kill the mount_hfs process (kill -9), but I could kill syslogd though it would repeatedly restart. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1503],"tags":[5,396],"class_list":["post-2652","post","type-post","status-publish","format-standard","hentry","category-tech","tag-macosx","tag-time-machine"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p4vJD-GM","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/posts\/2652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/comments?post=2652"}],"version-history":[{"count":0,"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/posts\/2652\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/media?parent=2652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/categories?post=2652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bytebot.net\/blog\/wp-json\/wp\/v2\/tags?post=2652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}