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Installation and Upgrades / Re: 2TB RAID-1 Zentyal installation fail at GRUB
« on: October 01, 2014, 01:14:45 am »
Is not the first time I meet a situation where on a cheap hardware RAID and hardware is included when you install Ubuntu Server gets the following error
Unable to install GRUB in /dev/mapper
Performing 'grub-install' /dev/mapper 'crash.
This is a critical mistake.
In fact - it's not a bug, just the system failed to identify itself partitions on RAID-device. To continue, you need to go to the second console by pressing Ctrl + Alt + F2 and run the following command:
ls -l /dev/mapper
Which will show the marks on the device with all sections. Now we need to go back to the first console Ctrl + Alt + F1 and will prescribe for GRUB-install path:
/dev/mapper/<name-your-disk-array>
Just yesterday, put the system on a RAID array of firms nvidia and it looked like this:
/dev/mapper/nvidia_ccbeedeb
Unable to install GRUB in /dev/mapper
Performing 'grub-install' /dev/mapper 'crash.
This is a critical mistake.
In fact - it's not a bug, just the system failed to identify itself partitions on RAID-device. To continue, you need to go to the second console by pressing Ctrl + Alt + F2 and run the following command:
ls -l /dev/mapper
Which will show the marks on the device with all sections. Now we need to go back to the first console Ctrl + Alt + F1 and will prescribe for GRUB-install path:
/dev/mapper/<name-your-disk-array>
Just yesterday, put the system on a RAID array of firms nvidia and it looked like this:
/dev/mapper/nvidia_ccbeedeb
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