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El jueves 19 de agosto del 2010 a las 19:41:09 -0300, Robert Heller escribió:
But if I try to make the installation in a RAID-1 with a single disk, the system does not allow it. There is any way to do it?
Drop into a shell, create (force) the md devices, partition etc then drop into the installer and go...
Eg: Ctrl-Alt-F2 will get you a shell. Manually create the RAID set (but with only one disk). That is, use fdisk to partition the disk. It is important to set the partition types to Linux RAID auto-detect -- the kernel needs this to start the RAID early in the boot process. You'll want two partitions: a small one for /boot, and the rest for a LVM volume group (to be broken up into /, /home, swap, etc.). Once the RAID sets are up and running, use Ctrl-Alt-F1 to get back to the installer. You'll want to be sure to go back far enough in the process, so that going forward will get you to where the RAID-1 / LVM volumn group will be picked up. You can then set up the file systems you need, etc.
Later, when you get the second disk, you can use sfdisk to 'dup' the partitioning onto the new disk ('sfdisk -d /dev/sda|sfdisk /dev/sdb'), then use mdadm to add the partitions to the RAID arrays.
I tested this by switching to a console from the installer in text mode. Despite I specified in the installer that the partitions were of type 'fd'. According to what I was checking after to switching to the console, the installer did not make the corresponding changes in the partitions so I had to manually make changes with fdisk. Then I created md devices making second member is 'missed'.
But to return to the partitioner of the installer in text mode, this did not take the changes. Even going a step back and choosing a custom design, I can not see the md devices created through the console.
Have I to perform some additional operations to take the changes in the installer?
Thanks for your replies.
Regards, Daniel