Date: Fri, 20 Nov 2009 13:57:56 +0100 From: Mikael Bak <mikael@t-online.hu> To: freebsd-stable@freebsd.org Subject: Recommendations on when to use soft updates Message-ID: <4B069254.7080709@t-online.hu>
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Hi list, I'm quite new to FreeBSD. I would like to know if there are any official recommendations on when to use soft updates and when not to use them. I currently maintain only one FreeBSD machine. $ uname -v FreeBSD 7.2-RELEASE-p4 #0: Fri Oct 2 08:22:32 UTC 2009 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC I have two identical SATA disks in a raid1 using gmirror like this: $ df -h Filesystem Size Used Avail Capacity Mounted on /dev/mirror/gm0s1a 3.9G 303M 3.3G 8% / devfs 1.0K 1.0K 0B 100% /dev /dev/mirror/gm0s1d 989M 1.0M 909M 0% /tmp /dev/mirror/gm0s1e 48G 1.7G 43G 4% /usr /dev/mirror/gm0s1f 53G 1.2G 48G 2% /var devfs 1.0K 1.0K 0B 100% /var/named/dev Currently /usr and /var uses soft updates, but / does not. The machine acts as a front MX with lots of reads and writes in /var. Is this a reasonable setup? TIA, Mikael
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