[Gllug] Re: backup

[Julian Parker]

Martin A. Brooks wrrote: > At the end of the day you're using Linux. If 
that's Slackware, > Mandrake, Debian or whatever Redhat is called this 
week, it's still > Linux based. > > Can you be a bit more specific about 
the SCSI problems other than "craps > out"? Which kernel? What errors 
are you seeing? Which backup > software you you using?

Kernel = 2.6.9-1.6_FC2


I used the following command, output trimmed for readability;

	# tar cvf /dev/st0 /etc
	tar: Removing leading `/' from member names
	etc/
	.
	.
	etc/postfix/postfix-script
	tar: /dev/st0: Wrote only 0 of 10240 bytes
	tar: Error is not recoverable: exiting now

I get the same sort of errors for dump or cpio.

These errors are listed in the messages file;
	(scsi0:A:5:0): Unexpected busfree in Data-out phase SEQADDR == 0x84
	st0: Error 70000 (sugg. bt 0x0, driver bt 0x0, host bt 0x7).
	st0: Error 10000 (sugg. bt 0x0, driver bt 0x0, host bt 0x1).
	st0: Error on write filemark.
	st0: Error 10000 (sugg. bt 0x0, driver bt 0x0, host bt 0x1).


I've tried a new DLT tape, same problem. Cleaned drive, same problem, checked SCSI cables power etc, all look fine.

The tape drive seems to be found OK;
	# cat /proc/scsi/scsi
	Attached devices:
	Host: scsi0 Channel: 00 Id: 05 Lun: 00
	  Vendor: QUANTUM  Model: DLT7000          Rev: 1837
	  Type:   Sequential-Access                ANSI SCSI revision: 02

The SCSI card info; FYI (If it helps)
	02:04.0 SCSI storage controller: Adaptec 78902
	        Subsystem: Adaptec AAA-131U2 Array1000 1 Channel RAID Controller
	        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	        Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	        Latency: 64 (9750ns min, 6250ns max)
	        Interrupt: pin A routed to IRQ 11
	        BIST result: 00
	        Region 0: I/O ports at a400 [disabled]
	        Region 1: Memory at db000000 (64-bit, non-prefetchable) [size=4K]
	        Capabilities: [dc] Power Management version 1
	                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
	                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

Cheers

J

	


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