SCSI tape data loss

Dan Langille dan at langille.org
Sun Jun 1 11:32:38 PDT 2003 

On 1 Jun 2003 at 19:54, Kern Sibbald wrote:

> If you have any questions concerning the hardware, Dan 
> (dan at langille.com) will be able to provide the answers.

 The box is running 4.8-RC FreeBSD 4.8-RC #9: Fri Apr  4 09:15:39 EST 
2003 although it may be from a cvsup done much earlier thatn Apr 4.

The tape drive is a Archive Python p4586np: 
http://www.seagate.com/support/tape/specs/dds/p4586np.html

The SCSI card is an Adaptec 2940.

$ dmesg
Copyright (c) 1992-2003 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 4.8-RC #9: Fri Apr  4 09:15:39 EST 2003
    root at Copyright (c) 1992-2003 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 4.8-RC #9: Fri Apr  4 09:15:39 EST 2003
    root at undef.example.org:/usr/obj/usr/src/sys/UNDEF
Timecounter "i8254"  frequency 1193182 Hz
CPU: AMD Duron(tm) Processor (901.60-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x631  Stepping = 1
  
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA
,CMOV,PAT,PSE36,MMX,FXSR>
  AMD Features=0xc0440000<RSVD,AMIE,DSP,3DNow!>
real memory  = 402587648 (393152K bytes)
config> di sn0
config> di lnc0
config> di ie0
config> di fe0
config> di ed0
config> di cs0
config> di bt0
config> di aic0
config> di aha0
config> di adv0
config> q
avail memory = 386621440 (377560K bytes)
Preloaded elf kernel "kernel" at 0xc04b3000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc04b309c.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 5 entries at 0xc00fdf20
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib2: <VIA 8363 (Apollo KT133) PCI-PCI (AGP) bridge> at device 1.0 
on pci0
pci1: <PCI bus> on pcib2
pci1: <ATI model 5046 graphics accelerator> at 0.0 irq 11
isab0: <VIA 82C686 PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <VIA 82C686 ATA66 controller> port 0xd000-0xd00f at device 
7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 5 at device 
7.2 on pci0
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <VIA 83C572 USB controller> port 0xd800-0xd81f irq 5 at device 
7.3 on pci0
usb1: <VIA 83C572 USB controller> on uhci1
usb1: USB revision 1.0
uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
pci0: <unknown card> (vendor=0x1106, dev=0x3057) at 7.4
ahc0: <Adaptec 2940 SCSI adapter> port 0xe000-0xe0ff mem 0xdb000000-
0xdb000fff irq 11 at device 9.0 on pci0
aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs
rl0: <RealTek 8139 10/100BaseTX> port 0xe400-0xe4ff mem 0xdb001000-
0xdb0010ff irq 10 at device 10.0 on pci0
rl0: Ethernet address: 00:50:fc:50:56:88
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
pcib1: <Host to PCI bridge> on motherboard
pci2: <PCI bus> on pcib1
orm0: <Option ROMs> at iomem 0xc0000-0xc7fff,0xcc000-0xce7ff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on 
isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on 
isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ad0: 38172MB <MAXTOR 6L040J2> [77557/16/63] at ata0-master UDMA66
acd0: CDROM <MATSHITA CR-589> at ata1-master PIO4
Waiting 15 seconds for SCSI devices to settle
sa0 at ahc0 bus 0 target 4 lun 0
sa0: <ARCHIVE 4586XX 28887-XXX 4BGD> Removable Sequential Access SCSI-
2 device
sa0: 5.000MB/s transfers (5.000MHz, offset 15)
pass1 at ahc0 bus 0 target 4 lun 1
pass1: <ARCHIVE 4586XX 28887-XXX 4BGD> Removable Changer SCSI-2 
device
pass1: 5.000MB/s transfers (5.000MHz, offset 15)
Mounting root from ufs:/dev/ad0s1a
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present.org:/usr/obj/usr/src/sys/UNDEF
Timecounter "i8254"  frequency 1193182 Hz
CPU: AMD Duron(tm) Processor (901.60-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x631  Stepping = 1
  
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA
,CMOV,PAT,PSE36,MMX,FXSR>
  AMD Features=0xc0440000<RSVD,AMIE,DSP,3DNow!>
real memory  = 402587648 (393152K bytes)
config> di sn0
config> di lnc0
config> di ie0
config> di fe0
config> di ed0
config> di cs0
config> di bt0
config> di aic0
config> di aha0
config> di adv0
config> q
avail memory = 386621440 (377560K bytes)
Preloaded elf kernel "kernel" at 0xc04b3000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc04b309c.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 5 entries at 0xc00fdf20
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib2: <VIA 8363 (Apollo KT133) PCI-PCI (AGP) bridge> at device 1.0 
on pci0
pci1: <PCI bus> on pcib2
pci1: <ATI model 5046 graphics accelerator> at 0.0 irq 11
isab0: <VIA 82C686 PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <VIA 82C686 ATA66 controller> port 0xd000-0xd00f at device 
7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 5 at device 
7.2 on pci0
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <VIA 83C572 USB controller> port 0xd800-0xd81f irq 5 at device 
7.3 on pci0
usb1: <VIA 83C572 USB controller> on uhci1
usb1: USB revision 1.0
uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
pci0: <unknown card> (vendor=0x1106, dev=0x3057) at 7.4
ahc0: <Adaptec 2940 SCSI adapter> port 0xe000-0xe0ff mem 0xdb000000-
0xdb000fff irq 11 at device 9.0 on pci0
aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs
rl0: <RealTek 8139 10/100BaseTX> port 0xe400-0xe4ff mem 0xdb001000-
0xdb0010ff irq 10 at device 10.0 on pci0
rl0: Ethernet address: 00:50:fc:50:56:88
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
pcib1: <Host to PCI bridge> on motherboard
pci2: <PCI bus> on pcib1
orm0: <Option ROMs> at iomem 0xc0000-0xc7fff,0xcc000-0xce7ff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on 
isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on 
isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ad0: 38172MB <MAXTOR 6L040J2> [77557/16/63] at ata0-master UDMA66
acd0: CDROM <MATSHITA CR-589> at ata1-master PIO4
Waiting 15 seconds for SCSI devices to settle
sa0 at ahc0 bus 0 target 4 lun 0
sa0: <ARCHIVE 4586XX 28887-XXX 4BGD> Removable Sequential Access SCSI-
2 device
sa0: 5.000MB/s transfers (5.000MHz, offset 15)
pass1 at ahc0 bus 0 target 4 lun 1
pass1: <ARCHIVE 4586XX 28887-XXX 4BGD> Removable Changer SCSI-2 
device
pass1: 5.000MB/s transfers (5.000MHz, offset 15)
Mounting root from ufs:/dev/ad0s1a
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present
(sa0:ahc0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
(sa0:ahc0:0:4:0): NOT READY asc:3a,0
(sa0:ahc0:0:4:0): Medium not present
-- 
Dan Langille : http://www.langille.org/

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