Hello misc,

I am having a problem with a mirroring softraid configuration.
Every time I try to access a particular partition in softraid
volume I start to get I/O errors so that softraid totally "breaks",
that is, becomes non-operative.

Note that it does very much look like that both of these
disks are actually defective.

$ disklabel sd0
# /dev/rsd0c:
type: SCSI
disk: SCSI disk
label: WDC WD3200AAKS-0
duid: 800258c4df44247f
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 38913
total sectors: 625142448
boundstart: 63
boundend: 625137345
drivedata: 0 

16 partitions:
#                size           offset  fstype [fsize bsize  cpg]
  a:           530082               63  4.2BSD   2048 16384    1 # /
  b:          8401995           530145    swap                   
  c:        625142448                0  unused                   
  d:        616205205          8932140    RAID                   

$ disklabel sd1
# /dev/rsd1c:
type: SCSI
disk: SCSI disk
label: WDC WD3200AAKS-0
duid: ec6572ba6b33d733
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 38913
total sectors: 625142448
boundstart: 63
boundend: 625137345
drivedata: 0 

16 partitions:
#                size           offset  fstype [fsize bsize  cpg]
  a:           530082               63  4.2BSD   2048 16384    1 
  b:          8401995           530145    swap                   
  c:        625142448                0  unused                   
  d:        616205205          8932140    RAID                   

The situation now:

$ bioctl -i sd3
Volume      Status               Size Device  
softraid0 0 Degraded     315496794624 sd3     RAID1
          0 Online       315496794624 0:0.0   noencl <sd0d>
          1 Offline                 0 0:1.0   noencl <sd1d>

$ disklabel sd3
# /dev/rsd3c:
type: SCSI
disk: SCSI disk
label: SR RAID 1
duid: 80ebde8831825f63
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 38356
total sectors: 616204677
boundstart: 0
boundend: 616204677
drivedata: 0 

16 partitions:
#                size           offset  fstype [fsize bsize  cpg]
  c:        616204677                0  unused                   
  d:         12594944                0  4.2BSD   2048 16384    1 # /tmp
  e:        125821088         12594944  4.2BSD   2048 16384    1 # /usr
  f:          8385920        138416032  4.2BSD   2048 16384    1 # /var
  g:        125821088        146801952  4.2BSD   2048 16384    1 # /home
  h:        343581632        272623040  4.2BSD   4096 32768    1 


I can use the partitions /dev/sd3{d,e,f,g} just fine.  However, whenever
I try to do any of the following:

  * fsck /dev/sd3h
  * dd if=/dev/sd3h of=/dev/null
  * dump /dev/sd3h
  * bioctl -R /dev/someotherraidvolume sd3

after a few seconds I will get I/O errors from the softraid volume.
These errors are such that after it *any* operation to sd3,
for example "bioctl -i sd3", or "disklabel sd3" will simply
return an I/O error, and the system must be rebooted.

Note that I said that I think both disks are defective.  When
the system is booted with softraid disabled and then the disks
(sd0 and sd1) are read with
"dd if=/dev/rsd0c of=/dev/null conv=noerror,sync",
dd reports several I/O errors (a few such errors every now and then).
Possibly some softraid-related metadata is corrupted?

Any ideas on how to recover data from /dev/sd3h?  Do the above
dd-command to some file and then use scan_ffs?  Might that work?

This is 5.3, built from source.

Juha

dmesg (btw, "Logitech Logitech Cordless RumblePad 2" works great with 
mupen64plus,
a bit of configuration was needed though ;-)

OpenBSD 5.3 (GENERIC) #0: Sun Mar 17 21:03:56 EET 2013
    bu...@iso.turnipsi.no-ip.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: AMD Sempron(tm) 140 Processor ("AuthenticAMD" 686-class, 1024KB L2 cache) 
2.71 GHz
cpu0: 
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW,SSE3,MWAIT,CX16,POPCNT,LAHF,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,WDT,ITSC
real mem  = 1878126592 (1791MB)
avail mem = 1836462080 (1751MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 09/14/09, BIOS32 rev. 0 @ 0xf0010, SMBIOS 
rev. 2.5 @ 0xf06d0 (63 entries)
bios0: vendor American Megatrends Inc. version "1501" date 09/14/2009
bios0: ASUSTeK Computer INC. M4A78 PRO
acpi0 at bios0: rev 0
acpi0: sleep states S0 S1 S3 S4 S5
acpi0: tables DSDT FACP APIC MCFG OEMB HPET SSDT
acpi0: wakeup devices PCE2(S4) PCE3(S4) PCE4(S4) PCE5(S4) PCE6(S4) PCE7(S4) 
PCE9(S4) PCEA(S4) PCEB(S4) PCEC(S4) SBAZ(S4) UAR1(S4) PS2K(S4) PS2M(S4) 
P0PC(S4) UHC1(S4) UHC2(S4) UHC3(S4) USB4(S4) UHC5(S4) UHC6(S4) UHC7(S4)
acpitimer0 at acpi0: 3579545 Hz, 32 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD erratum 721 detected and fixed
cpu0: apic clock running at 200MHz
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 21, 24 pins
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpihpet0 at acpi0: 14318180 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (P0P1)
acpiprt2 at acpi0: bus -1 (PCE2)
acpiprt3 at acpi0: bus -1 (PCE3)
acpiprt4 at acpi0: bus -1 (PCE4)
acpiprt5 at acpi0: bus -1 (PCE5)
acpiprt6 at acpi0: bus 2 (PCE6)
acpiprt7 at acpi0: bus 3 (P0PC)
acpicpu0 at acpi0: PSS
aibs0 at acpi0: RTMP RVLT RFAN GGRP GITM SITM
acpibtn0 at acpi0: PWRB
bios0: ROM list: 0xc0000/0xea00 0xcf000/0x8000!
cpu0: 2710 MHz: speeds: 2700 1900 1500 800 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "AMD RS780 Host" rev 0x00
ppb0 at pci0 dev 1 function 0 vendor "Asustek", unknown product 0x9602 rev 0x00
pci1 at ppb0 bus 1
vga1 at pci1 dev 5 function 0 "ATI Radeon HD 3200" rev 0x00
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
radeondrm0 at vga1: apic 1 int 18
drm0 at radeondrm0
azalia0 at pci1 dev 5 function 1 "ATI RS780 HD Audio" rev 0x00: msi
azalia0: no supported codecs
ppb1 at pci0 dev 6 function 0 "AMD RS780 PCIE" rev 0x00: apic 1 int 18
pci2 at ppb1 bus 2
ale0 at pci2 dev 0 function 0 "Attansic Technology L1E" rev 0xb0: AR8121, msi, 
address 90:e6:ba:ee:e7:90
atphy0 at ale0 phy 0: F1 10/100/1000 PHY, rev. 9
ahci0 at pci0 dev 17 function 0 "ATI SBx00 SATA" rev 0x00: apic 1 int 22, AHCI 
1.1
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, WDC WD3200AAKS-0, 05.0> SCSI3 0/direct 
fixed naa.50014ee001d1708c
sd0: 305245MB, 512 bytes/sector, 625142448 sectors
sd1 at scsibus0 targ 2 lun 0: <ATA, WDC WD3200AAKS-0, 05.0> SCSI3 0/direct 
fixed naa.50014ee0ac7c35c9
sd1: 305245MB, 512 bytes/sector, 625142448 sectors
ohci0 at pci0 dev 18 function 0 "ATI SB700 USB" rev 0x00: apic 1 int 16, 
version 1.0, legacy support
ohci1 at pci0 dev 18 function 1 "ATI SB700 USB" rev 0x00: apic 1 int 16, 
version 1.0, legacy support
ehci0 at pci0 dev 18 function 2 "ATI SB700 USB2" rev 0x00: apic 1 int 17
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "ATI EHCI root hub" rev 2.00/1.00 addr 1
ohci2 at pci0 dev 19 function 0 "ATI SB700 USB" rev 0x00: apic 1 int 18, 
version 1.0, legacy support
ohci3 at pci0 dev 19 function 1 "ATI SB700 USB" rev 0x00: apic 1 int 18, 
version 1.0, legacy support
ehci1 at pci0 dev 19 function 2 "ATI SB700 USB2" rev 0x00: apic 1 int 19
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "ATI EHCI root hub" rev 2.00/1.00 addr 1
piixpm0 at pci0 dev 20 function 0 "ATI SBx00 SMBus" rev 0x3a: SMI
iic0 at piixpm0
spdmem0 at iic0 addr 0x50: 2GB DDR2 SDRAM ECC PC2-6400CL5
pciide0 at pci0 dev 20 function 1 "ATI SB700 IDE" rev 0x00: DMA, channel 0 
configured to compatibility, channel 1 configured to compatibility
atapiscsi0 at pciide0 channel 0 drive 0
scsibus1 at atapiscsi0: 2 targets
cd0 at scsibus1 targ 0 lun 0: <HL-DT-ST, DVD-RAM GSA-H55N, 1.03> ATAPI 5/cdrom 
removable
cd0(pciide0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 4
azalia1 at pci0 dev 20 function 2 "ATI SBx00 HD Audio" rev 0x00: apic 1 int 16
azalia1: codecs: VIA/0x0397
audio0 at azalia1
pcib0 at pci0 dev 20 function 3 "ATI SB700 ISA" rev 0x00
ppb2 at pci0 dev 20 function 4 "ATI SB600 PCI" rev 0x00
pci3 at ppb2 bus 3
eap0 at pci3 dev 5 function 0 "Ensoniq AudioPCI97" rev 0x06: apic 1 int 20
ac97: codec id 0x43525913 (Cirrus Logic CS4297A rev 3)
ac97: codec features headphone, 20 bit DAC, 18 bit ADC, Crystal Semi 3D
audio1 at eap0
midi0 at eap0: <AudioPCI MIDI UART>
ppb3 at pci3 dev 6 function 0 "TI PCI2250 PCI-PCI" rev 0x02
pci4 at ppb3 bus 4
sis0 at pci4 dev 0 function 0 "NS DP83815 10/100" rev 0x00, DP83816A: apic 1 
int 21, address 00:00:24:cc:48:14
nsphyter0 at sis0 phy 0: DP83815 10/100 PHY, rev. 1
sis1 at pci4 dev 1 function 0 "NS DP83815 10/100" rev 0x00, DP83816A: apic 1 
int 22, address 00:00:24:cc:48:15
nsphyter1 at sis1 phy 0: DP83815 10/100 PHY, rev. 1
sis2 at pci4 dev 2 function 0 "NS DP83815 10/100" rev 0x00, DP83816A: apic 1 
int 23, address 00:00:24:cc:48:16
nsphyter2 at sis2 phy 0: DP83815 10/100 PHY, rev. 1
sis3 at pci4 dev 3 function 0 "NS DP83815 10/100" rev 0x00, DP83816A: apic 1 
int 20, address 00:00:24:cc:48:17
nsphyter3 at sis3 phy 0: DP83815 10/100 PHY, rev. 1
ahc0 at pci3 dev 7 function 0 "Adaptec AHA-2940U" rev 0x01: apic 1 int 22
scsibus2 at ahc0: 8 targets, initiator 7
ohci4 at pci0 dev 20 function 5 "ATI SB700 USB" rev 0x00: apic 1 int 18, 
version 1.0, legacy support
pchb1 at pci0 dev 24 function 0 "AMD AMD64 10h HyperTransport" rev 0x00
pchb2 at pci0 dev 24 function 1 "AMD AMD64 10h Address Map" rev 0x00
pchb3 at pci0 dev 24 function 2 "AMD AMD64 10h DRAM Cfg" rev 0x00
km0 at pci0 dev 24 function 3 "AMD AMD64 10h Misc Cfg" rev 0x00
pchb4 at pci0 dev 24 function 4 "AMD AMD64 10h Link Cfg" rev 0x00
usb2 at ohci0: USB revision 1.0
uhub2 at usb2 "ATI OHCI root hub" rev 1.00/1.00 addr 1
usb3 at ohci1: USB revision 1.0
uhub3 at usb3 "ATI OHCI root hub" rev 1.00/1.00 addr 1
usb4 at ohci2: USB revision 1.0
uhub4 at usb4 "ATI OHCI root hub" rev 1.00/1.00 addr 1
usb5 at ohci3: USB revision 1.0
uhub5 at usb5 "ATI 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
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
it0 at isa0 port 0x2e/2: IT8720F rev 2, EC port 0x290
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
usb6 at ohci4: USB revision 1.0
uhub6 at usb6 "ATI OHCI root hub" rev 1.00/1.00 addr 1
mtrr: Pentium Pro MTRR support
umass0 at uhub0 port 4 configuration 1 interface 0 "LaCie P'9221 Mobile Drive" 
rev 2.00/0.06 addr 2
umass0: using SCSI over Bulk-Only
scsibus3 at umass0: 2 targets, initiator 0
sd2 at scsibus3 targ 1 lun 0: <TOSHIBA, MK1059GSM, GU00> SCSI3 0/direct fixed 
serial.059f1058e40812c830b5
sd2: 953869MB, 512 bytes/sector, 1953525168 sectors
uhub7 at uhub2 port 2 "Logitech Logitech BT Mini-Receiver" rev 2.00/49.00 addr 2
uhidev0 at uhub7 port 2 configuration 1 interface 0 "Logitech Logitech BT 
Mini-Receiver" rev 2.00/49.00 addr 3
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub7 port 3 configuration 1 interface 0 "Logitech Logitech BT 
Mini-Receiver" rev 2.00/49.00 addr 4
uhidev1: iclass 3/1, 18 report ids
ums0 at uhidev1 reportid 2: 12 buttons, Z dir
wsmouse0 at ums0 mux 0
uhid0 at uhidev1 reportid 3: input=4, output=0, feature=0
uhid1 at uhidev1 reportid 4: input=1, output=0, feature=0
ums1 at uhidev1 reportid 5: 8 buttons, Z dir
wsmouse1 at ums1 mux 0
uhid2 at uhidev1 reportid 16: input=6, output=6, feature=0
uhid3 at uhidev1 reportid 17: input=19, output=19, feature=0
uhid4 at uhidev1 reportid 18: input=45, output=45, feature=0
uhidev2 at uhub2 port 3 configuration 1 interface 0 "Logitech Logitech Cordless 
RumblePad 2" rev 2.00/3.05 addr 5
uhidev2: iclass 3/0, 3 report ids
uhid5 at uhidev2 reportid 1: input=7, output=0, feature=0
uhid6 at uhidev2 reportid 2: input=7, output=0, feature=0
uhid7 at uhidev2 reportid 3: input=0, output=7, feature=0
vscsi0 at root
scsibus4 at vscsi0: 256 targets
softraid0 at root
scsibus5 at softraid0: 256 targets
softraid0: trying to bring up sd3 degraded
softraid0: sd3 was not shutdown properly
sd3 at scsibus5 targ 1 lun 0: <OPENBSD, SR RAID 1, 005> SCSI2 0/direct fixed
sd3: 300881MB, 512 bytes/sector, 616204677 sectors
softraid0: roaming device  -> sd1d
root on sd0a (800258c4df44247f.a) swap on sd0b dump on sd0b

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