Date: Tue, 1 Jul 2014 11:46:19 +0100 (BST) From: Anton Shterenlikht <mexas@bris.ac.uk> To: mexas@bris.ac.uk, rene@freebsd.org Cc: freebsd-arm@freebsd.org Subject: Re: /tmp, /var/log, /var/tmp as /dev/md - why? Message-ID: <201407011046.s61AkJpj006890@mech-cluster241.men.bris.ac.uk> In-Reply-To: <CADL2u4g65eo=7xxAt9j8JumyWneouhM2MGpcA9kfxJaCFWg95Q@mail.gmail.com>
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>From r.c.ladan@gmail.com Tue Jul 1 11:37:35 2014 > >2014-07-01 11:25 GMT+02:00 Anton Shterenlikht <mexas@bris.ac.uk>: > >> Why is it a good idea to mount /tmp and some var dirs on memory disks: >> >> root@raspberry-pi:/usr/ports # df -m >> Filesystem 1M-blocks Used Avail Capacity Mounted on >> /dev/mmcsd0s2a 14694 777 12742 6% / >> devfs 0 0 0 100% /dev >> /dev/mmcsd0s1 16 3 13 20% /boot/msdos >> /dev/md0 28 4 22 16% /tmp >> /dev/md1 14 0 12 0% /var/log >> /dev/md2 4 0 4 0% /var/tmp >> root@raspberry-pi:/usr/ports # >> >> Is this about speed or power, or maybe space? >> >> Mostly write tear because you're using an SD card, and it improves speed >too. "write tear"? Is this a joke, or some technical term? I cannot find what it means. I get these messages on the console (well, on hdmi port...): pid ... (svnlite), uid 0 inumber 13 on /tmp: filesystem full If I unmount /tmp from md and leave it on sd card, then I don't see these anymore. What does this mean? Thanks Anton
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