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<p>> First, check your dmesg log for the device being used for the tape</p>
<p>> drive? I'm thinking maybe they don't have a SCSI tape driver being</p>
<p>> loaded to create the device.</p>
<p>> Do a lsmod and look for the st module.</p>
<p>Ok, the st module is loaded. I have tried unloading and reloading it- nthis works fine. However, /dev/st0 is not created.</p>
<p></p>
<p>After reboot, I have to create /dev/st0 manually again since it was not created during the boot process. Now created it, the backup using tar is running fine.</p>
<p>But why did /dev/st0 not get created.</p>
<p></p>
<p>dmesg shows (extract):</p>
<p></p>
<p>...</p>
<p>SCSI subsystem initialized</p>
<p>ACPI: PCI Interrupt 0000:02:07.0[A] -> GSI 19 (level, low) -> IRQ 169</p>
<p>scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36</p>
<p> <Adaptec 29160 Ultra160 SCSI adapter></p>
<p> aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs</p>
<p>...</p>
<p> Vendor: HP Model: C7438A Rev: V312</p>
<p> Type: Sequential-Access ANSI SCSI revision: 03</p>
<p> target0:0:3: Beginning Domain Validation</p>
<p>WIDTH IS 1</p>
<p>(scsi0:A:3): 6.600MB/s transfers (16bit)</p>
<p> target0:0:3: Domain Validation skipping write tests</p>
<p>(scsi0:A:3): 40.000MB/s transfers (20.000MHz, offset 32, 16bit)</p>
<p> target0:0:3: Ending Domain Validation</p>
<p>st: Version 20050312, fixed bufsize 32768, s/g segs 256</p>
<p>Attached scsi tape st0 at scsi0, channel 0, id 3, lun 0</p>
<p>st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA 1048575</p>
<p>...</p>
<p>st0: Block limits 1 - 16777215 bytes.</p>
<p></p>
<p>And lsmod shows:</p>
<p></p>
<p>...</p>
<p>st 42593 2</p>
<p>...</p>
<p>aic7xxx 161141 1</p>
<p>scsi_transport_spi 23105 1 aic7xxx</p>
<p>sd_mod 22721 0</p>
<p>scsi_mod 135561 4 st,aic7xxx,scsi_transport_spi,sd_mod</p>
<p></p>
<p></p>
<p>Any ideas why the node is not being created?</p>
<p></p>
<p>Many thanks.</p>
<p></p>
<p>Stuart</p>
<p>-- </p>
<p>---------------------------------------</p>
<p>Stuart Bailey BSc (hons) CEng CITP MBCS</p>
<p> LinuSoft (Proprietor)</p>
<p> Linux Specialist</p>
<p> (01953) 601294</p>
<p> (07778) 383739</p>
<p> http://www.linusoft.co.uk</p>
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