Re: "Enhanced" MD code avaible for review
From: Jeff Garzik
Date: Thu Mar 25 2004 - 13:54:08 EST
Jeff Garzik wrote:
My take on things... the configuration of RAID arrays got a lot more
complex with DDF and "host RAID" in general. Association of RAID arrays
based on specific hardware controllers. Silently building RAID0+1
stacked arrays out of non-RAID block devices the kernel presents.
Failing over when one of the drives the kernel presents does not respond.
All that just screams "do it in userland".
Just so there is no confusion... the "failing over...in userland" thing
I mention is _only_ during discovery of the root disk.
Similar code would need to go into the bootloader, for controllers that
do not present the entire RAID array as a faked BIOS INT drive.
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