debian-installer can't stat named hardware RAID1 array

Bug #367505 reported by Bryan Burke on 2009-04-26
This bug affects 1 person
Affects Status Importance Assigned to Milestone
debian-installer (Ubuntu)

Bug Description

Ubuntu 9.04 Stable

Original forum post (listed under "First Issue"):

This bug occurs when using the alternate and server installers.

I have two SATA drives connected to a Super Micro X6DVA-EG motherboard. They are configured in the BIOS RAID utility as a RAID1 mirror. When I assign a name to that mirror (e.g., "main"), the installer cannot activate the array, giving me the following error:

    Could not stat device /dev/mapper/asr_main - No such file or directory.


However, if I leave the array name blank, the installer successfully stats the device "/dev/mapper/asr_".

I have attached the end of the syslog, which shows the errors mentioned above.

Bryan Burke (burke-bryan) wrote :
description: updated
description: updated
PHSC (paulohschmcast) wrote :

I have faced this issue myself with some raid controllers. It seems that those affected are the ones that, when you name them, have a fixed amount of characters. So if you name it main, it will be mapped as /dev/mapper/asr_main\ \ \ \ ... You can see it trough the console with the tab key (just open an alternative tty).
Hence I do believe that the installer is forgetting those spaces when trying to stat.
The workaround from my experience is to name the array using all characters available.

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