Debian lenny installation raid
In the following menu, scroll to your first disk and hit enter: the partitionier asks you, if you want to create an empty partition table. Say "yes".
Hint: this will erase your existing data, if any. Create a partition with the size you need, but remember the size and the logical type. In the "Partition settings" menu, go to "Use as" and hit enter. Change the type to "physical volume for RAID". Finish this partition with "Done setting up the partition".
Create other partitions on the same disk, if you like. Now repeat all the steps from the first disk for the second disk. After this, you should have at least two disks with the same partition schema and all partitions beside swap should be marked for RAID use. Now look at the first menu entry in the partitioner menu, there is a new line: "Configure software RAID". Go into this menu. Answer the question, if you like to write the changes, with "Yes".
Now pick "Create MD device". Use RAID1 and give the number of active and spare devices 2 and 0 in our case. In the following menu, select the same device number on the first and second disk and Continue. Though you don't have to, it is a simple way for you to help. Wait if thin client server is among the selected profiles, then the installer will spent quite some time at the end, "Finishing the installation - Running debian-edu-profile-udeb If you don't create that directory you will only be able to login as root.
The reason is that the user creation system require this directory to exist to be able to create users home directories, and without a users home directory the user can not log in. A note on notebooks In principal it makes sense either to install notebooks with the workstation or with the standalone profile. Keep in mind that the workstation profile uses LDAP for the user accounts and NFS for the home directories, so those workstations will only work while in the network where they can access the server.
If you plan to use your laptop at home or on the road, then choose the standalone profile. It is possible to reconfigure workstations to cache authentication information and sync the home directories to local disk and resync to the server when in the network with unison , but there is currently no howto available for this.
The amount of packages fetched from the net varies from profile to profile: Main server: 8 of MiB downloaded. Main server and Thin client server: of MiB downloaded. Main server and Workstation: of MiB downloaded. Thin client server: of MiB downloaded. Workstation: of MiB downloaded. Standalone: of MiB downloaded. Minimal: 12 of 83 MiB downloaded. So a reboot after installation results in a GRUB-error. A workaround for this problem is to remove the USB drive after the firmware is loaded, and preferably before partitioning starts.
More information is available in Debian-Edu bug and Debian bug A note on thin-client-server installations First of all, this profile name is confusing due to historic reasons: the profile actually installs a LTSP server environment for thin-clients and for workstations.
The grub loader comes up with the normal menu showing the RAID boot disks HD and HD but then I get 2 errors, one for each saying it can't find the files boot image. It appears to be trying to boot off the 3rd drive instead of the RAID. If I disconnect the 3rd drive and cycle power it will boot ok. So how can I get the 3rd drive to not conflict?
To be clearer, the 3rd disk is not intended to be part of the RAID. It should show as a separate disk. DVD via bittorrent alpha amd64 arm armel hppa i ia64 mips mipsel powerpc sparc s source multi-arch. CD via jigdo alpha amd64 arm armel hppa i ia64 mips mipsel powerpc sparc s source multi-arch. DVD via jigdo alpha amd64 arm armel hppa i ia64 mips mipsel powerpc sparc s source multi-arch.
Blu-ray via jigdo i amd64 source.
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