10-03-2008
How to setup hardware RAID on a T2000
Hello all
We've just bought a T2000. It has two disks and I'm trying to figure out how to create a mirror of the boot disk. I understand that I have to boot into single user mode from DVD and then use the raidctl command to set up the mirror and label the volume afterwards.
Format returns the following:
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c0t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
/pci@780/pci@0/pci@9/scsi@0/sd@0,0
1. c0t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
/pci@780/pci@0/pci@9/scsi@0/sd@1,0
Specify disk (enter its number): ^D
If I run the raidctl command while in run level 3, I get the following output:
Controller: 0
Disk: 0.0.0
Disk: 0.1.0
Does this mean hardware RAID has already been set up?
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#
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MFI(4) BSD Kernel Interfaces Manual MFI(4)
NAME
mfi -- LSI MegaRAID SAS driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:
device pci
device mfi
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
mfi_load="YES"
DESCRIPTION
This driver is for LSI's next generation PCI Express SAS RAID controllers. Access to RAID arrays (logical disks) from this driver is pro-
vided via /dev/mfid? device nodes. A simple management interface is also provided on a per-controller basis via the /dev/mfi? device node.
The mfi name is derived from the phrase "MegaRAID Firmware Interface", which is substantially different than the old "MegaRAID" interface and
thus requires a new driver. Older SCSI and SATA MegaRAID cards are supported by amr(4) and will not work with this driver.
Two sysctls are provided to tune the mfi driver's behavior when a request is made to remove a mounted volume. By default the driver will
disallow any requests to remove a mounted volume. If the sysctl dev.mfi.%d.delete_busy_volumes is set to 1, then the driver will allow
mounted volumes to be removed.
HARDWARE
The mfi driver supports the following hardware:
o LSI MegaRAID SAS 1078
o LSI MegaRAID SAS 8408E
o LSI MegaRAID SAS 8480E
o LSI MegaRAID SAS 9260
o Dell PERC5
o Dell PERC6
o IBM ServeRAID M5015 SAS/SATA
o IBM ServeRAID-MR10i
o Intel RAID Controller SROMBSAS18E
FILES
/dev/mfid? array/logical disk interface
/dev/mfi? management interface
DIAGNOSTICS
mfid%d: Unable to delete busy device An attempt was made to remove a mounted volume.
SEE ALSO
amr(4), pci(4), mfiutil(8)
HISTORY
The mfi driver first appeared in FreeBSD 6.1.
AUTHORS
The mfi driver and this manual page were written by Scott Long <scottl@FreeBSD.org>.
BUGS
The driver does not support big-endian architectures at this time.
BSD
May 12, 2010 BSD