ZFSストレージプールの作成（RAID10）
6本のDiskを使用して、ストライプトミラー構成のZFSストレージプールを作成した。
備忘録として手順を残す。
# gpart create -s gpt ada2
# gpart create -s gpt ada3
# gpart create -s gpt ada4
# gpart create -s gpt ada5
# gpart create -s gpt ada6
# gpart create -s gpt ada7
# gpart add -a 4k -s 2780g -t freebsd-zfs -l pool0 ada2
# gpart add -a 4k -s 2780g -t freebsd-zfs -l pool1 ada3
# gpart add -a 4k -s 2780g -t freebsd-zfs -l pool2 ada4
# gpart add -a 4k -s 2780g -t freebsd-zfs -l pool3 ada5
# gpart add -a 4k -s 2780g -t freebsd-zfs -l pool4 ada6
# gpart add -a 4k -s 2780g -t freebsd-zfs -l pool5 ada7
# gpart show ada2 ada3 ada4 ada5 ada6 ada7
=> 34 5860533101 ada2 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
=> 34 5860533101 ada3 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
=> 34 5860533101 ada4 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
=> 34 5860533101 ada5 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
=> 34 5860533101 ada6 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
=> 34 5860533101 ada7 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
# gnop create -S 4096 ada2p1
# gnop create -S 4096 ada3p1
# gnop create -S 4096 ada4p1
# gnop create -S 4096 ada5p1
# gnop create -S 4096 ada6p1
# gnop create -S 4096 ada7p1
# gnop status
Name Status Components
ada2p1.nop N/A ada2p1
ada3p1.nop N/A ada3p1
ada4p1.nop N/A ada4p1
ada5p1.nop N/A ada5p1
ada6p1.nop N/A ada6p1
ada7p1.nop N/A ada7p1
# zpool create tank mirror ada2p1.nop ada3p1.nop mirror ada4p1.nop ada5p1.nop mirror ada6p1.nop ada7p1.nop
# sudo zdb -C tank | grep ashift
ashift: 12
ashift: 12
ashift: 12
# zpool export tank
# gnop destroy ada2p1.nop ada3p1.nop ada4p1.nop ada5p1.nop ada6p1.nop ada7p1.nop
# zpool import tank
# zdb -C tank | grep ashift
ashift: 12
ashift: 12
ashift: 12
# zpool status
pool: tank
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
tank ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gptid/80ec5c44-7a5c-11e3-80f8-001517080211 ONLINE 0 0 0
gptid/850c536f-7a5c-11e3-80f8-001517080211 ONLINE 0 0 0
mirror-1 ONLINE 0 0 0
gptid/88b70bea-7a5c-11e3-80f8-001517080211 ONLINE 0 0 0
gptid/8c21155f-7a5c-11e3-80f8-001517080211 ONLINE 0 0 0
mirror-2 ONLINE 0 0 0
gptid/9023b7b9-7a5c-11e3-80f8-001517080211 ONLINE 0 0 0
gptid/938c95ce-7a5c-11e3-80f8-001517080211 ONLINE 0 0 0以上。
AFT HDDでZFS
アライメントを意識してAFT HDDでZFSストレージプールを作成した。
備忘録として手順を残す。
# gpart create -s gpt ada8
ada8 created
# gpart create -s gpt ada9
ada9 created
# gpart add -a 4k -s 2980g -t freebsd-zfs ada8
# gpart add -a 4k -s 2980g -t freebsd-zfs ada9
# gpart show ada8 ada9
=> 34 5860533101 ada8 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
=> 34 5860533101 ada9 GPT (2.7T)
34 6 - free - (3.0k)
40 5830082560 1 freebsd-zfs (2.7T)
5830082600 30450535 - free - (14G)
# gnop create -S 4096 ada8p1
# gnop create -S 4096 ada9p1
# zpool create work ada7p1.nop ada8p1.nop
# zdb -C | grep ashift
ashift: 12
ashift: 12
# zpool export work
# gnop destroy ada7p1.nop ada8p1.nop
# zpool import work
# zdb -C work | grep ashift
ashift: 12
ashift: 12以上。
GPT mirror でFreeBSD 9.2をインストール
いろいろあって、サーバ機のFreeBSDを再インストールすることになった。
備忘録として手順を残す。
ディスクのパーティショニング
# gpart create -s gpt ada0
# gpart add -a 4k -s 512k -t freebsd-boot -l boot0 ada0
# gpart add -a 4k -s 2g -t freebsd-ufs -l rootfs0 ada0
# gpart add -a 4k -s 8g -t freebsd-swap -l swap0 ada0
# gpart add -a 4k -s 4g -t freebsd-ufs -l varfs0 ada0
# gpart add -a 4k -s 2g -t freebsd-ufs -l tmpfs0 ada0
# gpart add -a 4k -s 440g -t freebsd-ufs -l usrfs0 ada0
# gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 ada0
# gpart create -s gpt ada1
# gpart add -a 4k -s 512k -t freebsd-boot -l boot1 ada1
# gpart add -a 4k -s 2g -t freebsd-ufs -l rootfs1 ada1
# gpart add -a 4k -s 8g -t freebsd-swap -l swap1 ada1
# gpart add -a 4k -s 4g -t freebsd-ufs -l varfs1 ada1
# gpart add -a 4k -s 2g -t freebsd-ufs -l tmpfs1 ada1
# gpart add -a 4k -s 440g -t freebsd-ufs -l usrfs1 ada1
# gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 ada1
# gpart show ada0 ada1
=> 34 976773101 ada0 GPT (465G)
34 6 - free - (3.0k)
40 1024 1 freebsd-boot (512k)
1064 4194304 2 freebsd-ufs (2.0G)
4195368 16777216 3 freebsd-swap (8.0G)
20972584 8388608 4 freebsd-ufs (4.0G)
29361192 4194304 5 freebsd-ufs (2.0G)
33555496 922746880 6 freebsd-ufs (440G)
956302376 20470759 - free - (9.8G)
=> 34 976773101 ada1 GPT (465G)
34 6 - free - (3.0k)
40 1024 1 freebsd-boot (512k)
1064 4194304 2 freebsd-ufs (2.0G)
4195368 16777216 3 freebsd-swap (8.0G)
20972584 8388608 4 freebsd-ufs (4.0G)
29361192 4194304 5 freebsd-ufs (2.0G)
33555496 922746880 6 freebsd-ufs (440G)
956302376 20470759 - free - (9.8G)
# gpart show -l ada0 ada1
=> 34 976773101 ada0 GPT (465G)
34 6 - free - (3.0k)
40 1024 1 boot0 (512k)
1064 4194304 2 rootfs0 (2.0G)
4195368 16777216 3 swap0 (8.0G)
20972584 8388608 4 varfs0 (4.0G)
29361192 4194304 5 tmpfs0 (2.0G)
33555496 922746880 6 usrfs0 (440G)
956302376 20470759 - free - (9.8G)
=> 34 976773101 ada1 GPT (465G)
34 6 - free - (3.0k)
40 1024 1 boot1 (512k)
1064 4194304 2 rootfs1 (2.0G)
4195368 16777216 3 swap1 (8.0G)
20972584 8388608 4 varfs1 (4.0G)
29361192 4194304 5 tmpfs1 (2.0G)
33555496 922746880 6 usrfs1 (440G)
956302376 20470759 - free - (9.8G)
# gmirror label boot /dev/gpt/boot0 /dev/gpt/boot1
# gmirror label swap /dev/gpt/rootfs0 /dev/gpt/rootfs1
# gmirror label rootfs /dev/gpt/rootfs0 /dev/gpt/rootfs1
# gmirror label swap /dev/gpt/swap0 /dev/gpt/swap1
# gmirror label varfs /dev/gpt/varfs0 /dev/gpt/varfs1
# gmirror label tmpfs /dev/gpt/tmpfs0 /dev/gpt/tmpfs1
# gmirror label tmpfs /dev/gpt/tmpfs0 /dev/gpt/tmpfs1
# kldload geom_mirror
# gmirror status
Name Status Components
mirror/boot COMPLETE ada0p1 (ACTIVE)
ada1p1 (ACTIVE)
mirror/rootfs COMPLETE ada0p2 (ACTIVE)
ada1p2 (ACTIVE)
mirror/swap COMPLETE ada0p3 (ACTIVE)
ada1p3 (ACTIVE)
mirror/varfs COMPLETE ada0p4 (ACTIVE)
ada1p4 (ACTIVE)
mirror/tmpfs COMPLETE ada0p5 (ACTIVE)
ada1p5 (ACTIVE)
mirror/usrfs COMPLETE ada0p6 (ACTIVE)
ada1p6 (ACTIVE)
# newfs -U -L rootfs /dev/mirror/rootfs
# newfs -U -L varfs /dev/mirror/varfs
# newfs -U -L tmpfs /dev/mirror/tmpfs
# newfs -U -L usrfs /dev/mirror/usrfs
# mount /dev/mirror/rootfs /mnt
# mkdir /mnt/var /mnt/tmp /mnt/usr
# mount /dev/mirror/varfs /mnt/var
# mount /dev/mirror/tmpfs /mnt/tmp
# mount /dev/mirror/usrfs /mnt/usr
# vi /boot/bsdinstall_etc/fstab
# cat /boot/bsdinstall_etc/fstab
#Device Mountpoint FSType Option Dump Pass#
/dev/mirror/swap none swap sw 0 0
/dev/mirror/rootfs / ufs rw 1 1
/dev/mirror/varfs /var ufs rw 2 2
/dev/mirror/tmpfs /tmp ufs rw 2 2
/dev/mirror/usrfs /usr ufs rw 2 2
# exitインストール後の仕上げ
# vi /boot/loader.conf # cat /boot/loader.conf geom_mirror_load="YES" # exit
以上。
