[PATCH] v2 of Adaptec HostRAID support for dmraid
Darrick J. Wong
djwong at us.ibm.com
Wed Jan 11 00:36:10 UTC 2006
All,
This is a revised patch to add HostRAID support to dmraid. It contains
a reworked asr_group function that knows how to set up multilevel RAID
10, as well as the usual RAID0 / RAID1 cases. It has seen somewhat
rigorous testing in RAID0/1/10 setups on a SCSI HostRAID x226 and very
light testing on SATA HostRAID on the same machine. Last Friday I was
able to convert a a320raid based SLES9 SP2 system to a dmraid setup, and
verified that I could (with some difficulty) bring up the system.
Note that spare drives, metadata writes and I/O error handling are still
not implemented.
Mr. Mauelshagen: Was it ok to add subordinate raid_sets to the master
raid_set manually with list_add?
As usual, I'm looking for any comments or suggestions about how to
improve this code. This patch should not be used in a production system
at all.
--D
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