Jim Klimov wrote:
Hello linux-raid,
I have tried several cheap RAID controllers recently (namely,
VIA VT6421, Intel 6300ESB and Adaptec/Marvell 885X6081).
VIA one is a PCI card, the second two are built in a Supermicro
motherboard (E7520/X6DHT-G).
The intent was to let the BIOS of the controllers make a RAID1
mirror of two disks independently of an OS to make redundant
multi-OS booting transparent. While DOS and Windows saw their
mirrors as a singular block device, Linux (FC5) accessed the
two drives separately on all adapters.
You did not buy a RAID controller.
http://linux-ata.org/faq-sata-raid.html
If you really want to use proprietary RAID on Linux, you may use dmraid,
but using MD for software RAID is much more robust.
Jeff
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