[Ilugc] Re: Partition information lost on reboot.

[Logu]

> come on luggies, we need to give better advice to this user. i suppose 
> this is
> better than the previous advice which was to run fsck! please try to 
> understand
> the problem before giving out solutions. adaptec hostraid is pseudo raid 
> and it
> is not possible to do hardware raid with this (meaning, adaptec's drivers 
> will
> give you equivalent of software raid functionality and that is all you can 
> do);
> when that is enabled, all drives will be pseudo drives only existing in 
> the
> firmware of the raid controller. but then, since the card only provides 
> software
> raid equivalent, the advice to switch to software raid (md device) 
> provided by
> the kernel is actually valid advice! it would appear that there is some 
> problem
> with the partition table being read by the system. it may be possible to 
> clear
> that by setting the card to straight scsi mode (disabling all hostraid
> functionality), deleting all partitions from the partition table, 
> rebooting and
> then creating fresh partition table entries.
>

Thank you for the detailed explanation.
They system is already up with a single disk on production. I will follow 
your procedure when we get them for some kind of maintenance.

Thanks
-logu