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Old 06-18-2003, 11:22 AM   #1
ghight
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DDS4 Tape Drive Functions (Modes)


This is not exactly a linux question but it is a Compaq DDS4 Tape Drive made by Sony attached to a linux server.

Here's the deal, yesterday I replaced this tape drive with the exact same model, but the new drive was having trouble ejecting the tape. Because I was out of ideas on how to get the tape out of the drive, I held in the eject button on the drive for about 5 seconds, then the tape ejected. After the tape ejected one of the lights kept blinking. I thought it was asking for a cleaning tape so I tried to insert one. It wouldn't go in. I held the eject button in for 5 seconds again and it stopped blinking waiting for a tape.

This appears to be some type of feature that I'm not familiar with. Does anyone with a Sony or Compaq DDS4 tape drive have an idea as to what this mode is for. I've read on other brand drives that this is possibly a cleaning mode where you have use a swab to clean the heads and rollers, but I didn't see any movement on the inside of the drive. Any help would be appreciated.

TIA
 
Old 06-18-2003, 11:50 AM   #2
wintpe
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Post dds drives

please dont put any swabs into the mechanism.
dds drives are like many drives today based on videotape technology, and this means they have a helical scan head.
even video recorder heads which are bigger, are very fragile and easily damed. computer tape drives are very much more precise and suseptaple to damage.
only use a cleaning tape.
my dds drive also exhibits similar behaviour, but i canot give you reasons
just keep those swabs out of the drive
regards peter
 
Old 06-18-2003, 11:54 AM   #3
ghight
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Well as an added ???, I can't get the drive to repeat this behavior. It appears to work only when a tape is actually stuck in the drive.
 
Old 07-06-2005, 10:11 PM   #4
jahearne
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Better late than never. Found an "unload" spindle underneath the tape drive that you can spin with a small phillips screwdriver. Worked for me trying to remove a snapped tape.
 
  


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