Regarding ext4 for your cache-disks: You might consider adding the following options to the mount journal_async_commit,noauto_da_alloc,nobh Will release some more safety of the stored data; however, because of "nobarriers" some risk there, anyway. However, when using 3 cache_dirs instead of RAID-0 some risk limiting will be introduced, compensating for this incease of risk level. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/slow-browsing-in-centos-6-3-with-squid-3-tp4658635p4658656.html Sent from the Squid - Users mailing list archive at Nabble.com.