Hardware RAID support? Which controller best to use?

[Sven Willenberger]

On Fri, 2005-11-25 at 12:59 -0700, Scott Long wrote:
> Roger Marquis wrote:
> 
> [...]
> 
> > Sadly, the fast LSI SCSI RAID drivers either don't exist for FreeBSD
> > or are not mature.  Adaptec SCSI RAID is also not as well supported
> > as some of the SATA RAID cards.
> 
> What?  Is this some sort of troll?
> 
> Scott
> _______________________________________________

Hmm, one of my servers may suffer an identity crisis if the LSI
statement is true:

cat /var/run/dmesg.boot
Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights
reserved.
FreeBSD 5.4-STABLE #1: Sat May 14 17:37:43 EDT 2005
    root at noracct.dmv.com:/usr/obj/usr/src/sys/NORACCT
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Opteron(tm) Processor 248 (2190.62-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0xf5a  Stepping = 10

Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
  AMD Features=0xe0500800<SYSCALL,NX,MMX+,LM,3DNow+,3DNow>
real memory  = 8589934592 (8192 MB)
avail memory = 8255700992 (7873 MB)
ACPI APIC Table: <A M I  OEMAPIC >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs

<snip>

amr0: <LSILogic MegaRAID 1.51> mem
0xfc880000-0xfc8fffff,0xff4f0000-0xff4fffff irq 28 at device 0.0 on pci2
amr0: <LSILogic MegaRAID SCSI 320-2X> Firmware 413Z, BIOS H424, 128MB
RAM
pci0: <base peripheral, interrupt controller> at device 11.1 (no driver
attached)
acpi_button0: <Power Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
fdc0: <floppy drive controller (FDE)> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2
on acpi0
orm0: <ISA Option ROM> at iomem 0xc0000-0xc7fff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
isa0
Timecounters tick every 1.000 msec
acd0: CDROM <SONY CD-ROM CDU5212/5YS1> at ata1-master PIO4
amrd0: <LSILogic MegaRAID logical drive> on amr0
amrd0: 70003MB (143366144 sectors) RAID 0 (optimal)
amrd1: <LSILogic MegaRAID logical drive> on amr0
amrd1: 70003MB (143366144 sectors) RAID 0 (optimal)
amrd2: <LSILogic MegaRAID logical drive> on amr0
amrd2: 420603MB (861394944 sectors) RAID 1 (optimal)

<snip>

Sven