mpi RAID 1 is pretty darn good. That is, if you have the right firmware
that supports it (IR firmware).
On Thu, Nov 19, 2009 at 03:02:20PM +0100, Mauro Rezzonico wrote:
> When your machine does support hardware raid (and you intend to run Open
> BSD on it, of course), what is the general consensus about the "Right
> Thing To Do"?
>
> The machine is an IBM xSeries 335 (dmesg follows) and the embedded raid
> controller gets identified as a"Symbios Logic 53c1030" (supported by
> mpi(4))
>
> Maybe I am wrong, but that controller does not look like one of those
> "low-cost IDE or SATA RAID controllers (such as those using Highpoint,
> Promise or Adaptec HostRAID chips)", like you say in FAQ#14.13...
>
> It is my understanding that and hardware solution is more transparent to
> the OS (I am going to use RAID1 on the bootstrap disk), and the burden
> of the reconstruction is on the controller and not the CPU.
>
> Feel free to correct me if I am wrong, I am very new to OpenBSD, I am
> lightly slanted toward a software solution (basically it's a matter of
> trust), but I would like to hear the opinion of the list.
>
> If it is possible, I would like to hear your 'general' opinion on
> Hardware raid controllers not just the Symbios Logic...
>
> *Most of all please understand I am not trying to start a religious war!*
>
> --=--
>
> OpenBSD 4.6-current (GENERIC.MP) #1: Thu Nov 19 14:16:08 CET 2009
> r...@dwa.ch23.lan:/usr/src/sys/arch/i386/compile/GENERIC.MP
> cpu0: Intel(R) XEON(TM) CPU 2.40GHz ("GenuineIntel" 686-class) 2.40 GHz
> cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,
> PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM
> real mem = 4160290816 (3967MB)
> avail mem = 4053897216 (3866MB)
> mainbus0 at root
> bios0 at mainbus0: AT/286+ BIOS, date 09/11/02, BIOS32 rev. 0 @ 0xfd7e1,
> SMBIOS rev. 2.3 @ 0xf7141 (43 entries)
> bios0: vendor IBM version "-[T2E110AUS-1.01]-" date 09/11/2002
> bios0: IBM eserver xSeries 335 -[867665X]-
> acpi0 at bios0: rev 0
> acpi0: tables DSDT FACP APIC ASF!
> acpi0: wakeup devices PCI0(S5)
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: apic clock running at 99MHz
> cpu1 at mainbus0: apid 6 (application processor)
> cpu1: Intel(R) XEON(TM) CPU 2.40GHz ("GenuineIntel" 686-class) 2.40 GHz
> cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,
> PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM
> cpu2 at mainbus0: apid 1 (application processor)
> cpu2: Intel(R) XEON(TM) CPU 2.40GHz ("GenuineIntel" 686-class) 2.40 GHz
> cpu2: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,
> PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM
> cpu3 at mainbus0: apid 7 (application processor)
> cpu3: Intel(R) XEON(TM) CPU 2.40GHz ("GenuineIntel" 686-class) 2.40 GHz
> cpu3: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,
> PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM
> ioapic0 at mainbus0: apid 14 pa 0xfec00000, version 11, 16 pins
> ioapic1 at mainbus0: apid 13 pa 0xfec01000, version 11, 16 pins
> ioapic2 at mainbus0: apid 12 pa 0xfec02000, version 11, 16 pins
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus 1 (PCI1)
> acpiprt2 at acpi0: bus 2 (PCI2)
> acpicpu0 at acpi0
> acpicpu1 at acpi0
> acpicpu2 at acpi0
> acpicpu3 at acpi0
> bios0: ROM list: 0xc0000/0x8000 0xc8000/0x4000 0xcc000/0x1800
> pci0 at mainbus0 bus 0: configuration mode 1 (bios)
> pchb0 at pci0 dev 0 function 0 "ServerWorks CMIC-WS Host (GC-LE)" rev 0x13
> pchb1 at pci0 dev 0 function 1 "ServerWorks CMIC-WS Host (GC-LE)" rev 0x00
> pchb2 at pci0 dev 0 function 2 "ServerWorks CMIC-LE" rev 0x00
> pci1 at pchb2 bus 1
> mpi0 at pci1 dev 1 function 0 "Symbios Logic 53c1030" rev 0x07: apic 13
> int 6 (irq 9)
> scsibus0 at mpi0: 16 targets, initiator 7
> sd0 at scsibus0 targ 0 lun 0: <COMPAQ, BD03685A24, HPB3> SCSI3 0/direct
> fixed
> sd0: 34732MB, 512 bytes/sec, 71132000 sec total
> sd1 at scsibus0 targ 1 lun 0: <COMPAQ, BD036863AC, HPB8> SCSI3 0/direct
> fixed
> sd1: 34732MB, 512 bytes/sec, 71132000 sec total
> safte0 at scsibus0 targ 8 lun 0: <IBM, 25P3495a S320 1, 1> SCSI2
> 3/processor fixed
> mpi0: target 0 Sync at 160MHz width 16bit offset 63 QAS 1 DT 1 IU 1
> mpi0: target 1 Sync at 160MHz width 16bit offset 127 QAS 1 DT 1 IU 1
> vga1 at pci0 dev 1 function 0 "ATI Rage XL" rev 0x27
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> fxp0 at pci0 dev 2 function 0 "Intel 8255x" rev 0x0d, i82550: apic 13
> int 0 (irq 10), address 00:02:b3:da:76:86
> inphy0 at fxp0 phy 1: i82555 10/100 PHY, rev. 4
> piixpm0 at pci0 dev 15 function 0 "ServerWorks CSB5" rev 0x93: polling
> iic0 at piixpm0
> spdmem0 at iic0 addr 0x50: 1GB DDR SDRAM registered ECC PC2100CL2.5
> spdmem1 at iic0 addr 0x51: 1GB DDR SDRAM registered ECC PC2300CL2.5
> spdmem2 at iic0 addr 0x52: 1GB DDR SDRAM registered ECC PC2100CL2.5
> spdmem3 at iic0 addr 0x53: 1GB DDR SDRAM registered ECC PC2300CL2.5
> pciide0 at pci0 dev 15 function 1 "ServerWorks CSB5 IDE" rev 0x93: DMA
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus1 at atapiscsi0: 2 targets
> cd0 at scsibus1 targ 0 lun 0: <TEAC, CD-224E, 2.9B> ATAPI 5/cdrom removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 2
> ohci0 at pci0 dev 15 function 2 "ServerWorks OSB4/CSB5 USB" rev 0x05:
> apic 14 int 11 (irq 11), version 1.0, legacy support
> pcib0 at pci0 dev 15 function 3 "ServerWorks CSB5 LPC" rev 0x00
> pchb3 at pci0 dev 17 function 0 "ServerWorks CIOB-X2 PCIX" rev 0x03
> pchb4 at pci0 dev 17 function 2 "ServerWorks CIOB-X2 PCIX" rev 0x03
> pci2 at pchb4 bus 2
> bge0 at pci2 dev 1 function 0 "Broadcom BCM5703X" rev 0x02, BCM5702/5703
> A2 (0x1002): apic 13 int 8 (irq 11), address 00:02:55:67:15:5e
> brgphy0 at bge0 phy 1: BCM5703 10/100/1000baseT PHY, rev. 2
> bge1 at pci2 dev 2 function 0 "Broadcom BCM5703X" rev 0x02, BCM5702/5703
> A2 (0x1002): apic 13 int 9 (irq 3), address 00:02:55:67:15:5f
> brgphy1 at bge1 phy 1: BCM5703 10/100/1000baseT PHY, rev. 2
> usb0 at ohci0: USB revision 1.0
> uhub0 at usb0 "ServerWorks OHCI root hub" rev 1.00/1.00 addr 1
> isa0 at pcib0
> isadma0 at isa0
> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> pckbc0 at isa0 port 0x60/5
> pckbd0 at pckbc0 (kbd slot)
> pckbc0: using irq 1 for kbd slot
> wskbd0 at pckbd0: console keyboard, using wsdisplay0
> pmsi0 at pckbc0 (aux slot)
> pckbc0: using irq 12 for aux slot
> wsmouse0 at pmsi0 mux 0
> pcppi0 at isa0 port 0x61
> midi0 at pcppi0: <PC speaker>
> spkr0 at pcppi0
> npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
> mtrr: Pentium Pro MTRR support
> vscsi0 at root
> scsibus2 at vscsi0: 256 targets
> softraid0 at root
> root on sd0a swap on sd0b dump on sd0b
>
> --
> Mauro Rezzonico <ma...@ch23.org>, Como, Italia
> "Maybe this world is another planet's hell" - H.Huxley
