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
On Friday 20 November 2009 7:57:56 am Mikael Bak wrote:> 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?Yes. -- John Baldwin