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Raid 1 Root Filesystem On X86/x64

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raid 1 ni guna solaris volume manager atau di kenali dgn nama disksuite. buat masa tgh2 bosan di ofis , guna virtualbox. ada 2 disk dalam system ni ada 2 disk, c0d0 dgn c0d1.

1 - create slice c0d1s0
# format /dev/rdsk/c0d1

2 - create metadb in slice 7
# metadb -a -f -c 3 /dev/dsk/c0d0s7 /dev/dsk/c0d1s7

3 - Create metadevices for mirroring

# metainit -f d30 1 1 c0d0s0
# metainit d20 1 1 c0d1s0

4 - Create (one-way) mirrored device

# metainit d50 -m d30

5 - Change /etc/vfstab and /etc/system by executing metaroot command

# metaroot d50

6 - reboot the system

# init 6

7 - Attach d20 to mirror

# metattach d50 d20

8 - configure grub commented findroot (rootfs0,0,a)

#---------- ADDED BY BOOTADM - DO NOT EDIT ----------
title Solaris 10 5/09 s10x_u7wos_08 X86
#findroot (rootfs0,0,a)
kernel /platform/i86pc/multiboot
module /platform/i86pc/boot_archive
#---------------------END BOOTADM--------------------
#---------- ADDED BY BOOTADM - DO NOT EDIT ----------
title Solaris failsafe
findroot (rootfs0,0,a)
kernel /boot/multiboot kernel/unix -s
module /boot/x86.miniroot-safe
#---------------------END BOOTADM--------------------

9 - configure MBR on second disk

# installgrub \
> /boot/grub/stage1 \
> /boot/grub/stage2 \
> /dev/rdsk/c0d1s0

10 - reboot

## uname -a;uptime;metastat -a
SunOS unknown 5.10 Generic_139556-08 i86pc i386 i86pc
4:11pm up 13 min(s), 1 user, load average: 0.04, 1.54, 2.79
d50: Mirror
Submirror 0: d30
State: Okay
Submirror 1: d20
State: Resyncing
Resync in progress: 0 % done
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 14626816 blocks (7.0 GB)

d30: Submirror of d50
State: Okay
Size: 14626816 blocks (7.0 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c0d0s0 0 No Okay Yes

d20: Submirror of d50
State: Resyncing
Size: 18763920 blocks (8.9 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
c0d1s0 0 No Okay Yes

Device Relocation Information:
Device Reloc Device ID
c0d1 Yes id1,[email protected]_HARDDISK=VBd799ae29-da999860
c0d0 Yes id1,[email protected]_HARDDISK=VBe478ec6a-851e59c1

# df -h
Filesystem size used avail capacity Mounted on
/dev/md/dsk/d50 6.9G 3.3G 3.5G 49% /
/devices 0K 0K 0K 0% /devices
ctfs 0K 0K 0K 0% /system/contract
proc 0K 0K 0K 0% /proc
mnttab 0K 0K 0K 0% /etc/mnttab
swap 1.3G 912K 1.3G 1% /etc/svc/volatile
objfs 0K 0K 0K 0% /system/object
sharefs 0K 0K 0K 0% /etc/dfs/sharetab
fd 0K 0K 0K 0% /dev/fd
swap 1.3G 36K 1.3G 1% /tmp
swap 1.3G 20K 1.3G 1% /var/run

p/s: selamat pengantin baru abang fryshadow.

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