ubuntu-raid1-conversion
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ubuntu-raid1-conversion [2009/10/29 18:27] – snarg | ubuntu-raid1-conversion [2009/10/30 17:46] (current) – snarg | ||
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Command (m for help): p | Command (m for help): p | ||
- | Disk / | + | Disk / |
- | 255 heads, 63 sectors/ | + | 255 heads, 63 sectors/ |
Units = cylinders of 16065 * 512 = 8225280 bytes | Units = cylinders of 16065 * 512 = 8225280 bytes | ||
Disk identifier: 0xeea1cf79 | Disk identifier: 0xeea1cf79 | ||
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</ | </ | ||
Now go back to the original terminal window and type: | Now go back to the original terminal window and type: | ||
+ | < | ||
sudo nano / | sudo nano / | ||
</ | </ | ||
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Use CTRL+W to save the fstab and exit nano text file editor. | Use CTRL+W to save the fstab and exit nano text file editor. | ||
- | ==12. Adjust UUID in / | + | ==12. Adjust UUID in / |
This step will cause the bootloader to load up using the raid array (/dev/md0) instead of the old drive (/ | This step will cause the bootloader to load up using the raid array (/dev/md0) instead of the old drive (/ | ||
< | < | ||
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Also a one-liner: | Also a one-liner: | ||
< | < | ||
- | sudo mdadm --manage /dev/md1 --add /dev/sda2 | + | sudo mdadm --manage /dev/md1 --add /dev/sda5 |
</ | </ | ||
- | ==17. Watch some rebuild stats. | + | ==17. Watch some rebuild stats. |
- | Voila! | + | |
Type "cat / | Type "cat / | ||
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</ | </ | ||
+ | ==18. Final update to the bootloader to account for the first drive being changed.== | ||
+ | Use nano to edit your / | ||
+ | < | ||
+ | sudo nano / | ||
+ | </ | ||
+ | And make sure it looks like this: (note this should be the same as your bios hard disk boot order) | ||
+ | < | ||
+ | (hd0) / | ||
+ | (hd1) / | ||
+ | </ | ||
+ | Type this to finalise the bootloader config and Master Boot Record on both hard disks: | ||
+ | < | ||
+ | sudo update-grub | ||
+ | sudo grub-install /dev/sda | ||
+ | sudo grub-install /dev/sdb | ||
+ | </ | ||
+ | \\ | ||
+ | ALL DONE!! | ||
+ | \\ | ||
+ | update- 20091030 - Please note that at time of writing there is a bug in GRUB 1.97 which causes a boot delay of about 10-20 seconds for boot partitions on RAID-1. This is a known problem and is being worked on. Please see: [[https:// |
ubuntu-raid1-conversion.1256812060.txt.gz · Last modified: 2009/10/29 18:27 by snarg