Lehekülje Vinum gvinum ja geom lähteteksti vaatamine

===vinum===

Starting up Vinum Early Enough for the Root Filesystem '''/boot/loader.conf'''

 vinum_load="YES"

/boot/loader.conf grub start

geom_vinum_load="YES"
vinum.autostart="YES"

fdisk -i teha
disklabel -w
disklabel -e devname

stripe

   drive c device /dev/da5h
    drive d device /dev/da6h
    volume stripe
    plex org striped 512k
      sd length 128m drive c
      sd length 128m drive d

mirroring

drive d1 device /dev/ad2s1a
drive d2 device /dev/ad3s1a
volume mirror setupstate
  plex org concat
    sd length 76000M drive d1
  plex org concat
    sd length 76000M drive d2

gvinum create -f /etc/vinum.conf

hiljem newfs -v

===gstripe===

kldload geom_mirror

 /boot/loader.conf
 geom_stripe_load="YES" 

     gstripe label -v -s 4096 data /dev/ad2 /dev/ad4
     newfs /dev/stripe/data
     mount /dev/stripe/data /mnt/tank2
     df -h
     /dev/stripe/data    289G    4.0K    266G     0%    /mnt/tank2

    cat /var/run/dmesg.boot | grep "ad"
    gstripe list
    umount /dev/stripe/data
    tunefs -m 2 -o space /dev/stripe/data
 tunefs: minimum percentage of free space changes from 8% to 2%
 tunefs: should optimize for space with minfree < 8%
 tunefs: optimization preference changes from time to space

    mount /dev/stripe/data /mnt/tank2
    /dev/stripe/data    289G    4.0K    283G     0%    /mnt/tank2

-m 2 ütleb, et minfree peaks 2% olema
ja -o space optimiseerib space'le, mitte access time'le
aga kiiremat kaablit vaja, udma33 sucks ASS

fsck_ffs /dev/stripe/data

===gmirror===

 katse# gmirror label -vnb round-robin gm0 /dev/da1
 Metadata value stored on /dev/da1.
 Done.
 katse# gmirror load
 katse# gmirror insert gm0 /dev/da2

 newfs /dev/mirror/gm0
 mount /dev/mirror/gm0s1d /mnt

raid 10

kettaid neil ad1 ad2 ad3 ad4

 gmirror label -vnb round-robin gm0 /dev/da1
 gmirror load
 gmirror insert gm0 /dev/da2
 gmirror label -vnb round-robin gm1 /dev/da3
 gmirror insert gm1 /dev/da4
 gstripe label -v -s 4096 data /dev/mirror/gm0 /dev/mirror/gm1
 newfs /dev/stripe/data
 mount /dev/stripe/data /mnt