Public bug reported:
I have fresh-installed Ubuntu 8.10 on a Dell PowerEdge 2950 III with
software raid.
The booting process stops complaining about a non existant root device,
and dropping to a busybox shell. After some seconds the md device
appears, and the booting could continue after issuing Ctrl+D.
Adding rootdelay=30 to grub options some times is not sufficient.
rootdelay=40 seems to works always, but obviusly makes boot really slow
and it's very strange that it takes so long to start the raid devices.
The RAID is configured as:
/boot -> /dev/md0 (4 discs RAID 1)
/ -> /dev/md2 (3 discs + 1 spare RAID 5)
The discs are 143Gb SAS 15K (they should be really fast)
I attach dmesg and lspci outputs. If you need any other information,
please request it.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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md device is created very slowly on boot, and big rootdelay is needed
https://bugs.launchpad.net/bugs/296724
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