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Operating Systems Solaris Software RAID on top of Hardware RAID Post 302582445 by KhawHL on Friday 16th of December 2011 01:52:23 AM
Old 12-16-2011
Hi All,
Thanks for all your reply. I decided to use back the hardware RAID without using software RAID.
At this moment, I'm just use ufs instead of SVM or ZFS; need further study on that before able to use.
Also, have no idea about ZFS route.

Anyway, thank you.
Test Your Knowledge in Computers #41
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ATARAID(4)						   BSD Kernel Interfaces Manual 						ATARAID(4)

ataraid -- software BIOS RAID SYNOPSIS
pseudo-device ataraid ld* at ataraid? vendtype ? unit ? DESCRIPTION
The ataraid driver provides support for BIOS-based software RAID controllers. These are devices which have some simple support for several basic RAID levels (often RAID 0 and RAID 1), but which require software support to actually perform the RAID function. The BIOS support is largely just to create and recognize the array so that it may be a boot device. The driver currently supports RAID formats from: o Adaptec HostRAID (found in Intel 6300ESB) o Intel MatrixRAID o JMicron RAID o nVidia MediaShield o Promise FastTrak o Via V-RAID (found in many VIA-based motherboards) Status of the logical disk as well as the disks associated with it, can be viewed through the bioctl(8) utility. SEE ALSO
ld(4), bioctl(8) HISTORY
The ataraid driver first appeared in NetBSD 2.0. AUTHORS
The ataraid driver was originally adapted from FreeBSD by Jason Thorpe <>. BUGS
Not all features of the software RAID are currently recognized or supported. For example, the Adaptec support doesn't recognize when a RAID 1 should be in a ``building'' state, and it does not do the right thing. At least part of the reason for this is that the publically-available information on these formats is quite limited. BSD
September 16, 2008 BSD

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