as400: what "tape density" should i use 3570

We have a 3570 tape drive for our as400. The cartridges are 05H2462.  I've been getting a message that I either have the wrong tape or it was initialized incorrectly.  This has happened with several tapes, so I'm thinking I may be initializing incorrectly.  For tape density I've been using *DEVTYPE.  I'm going to experiment with the other options, but hoping someone knows what the correct tape density is.  I've tried calling IBM and I'm googling, but haven't found the answer yet.

Thanks!
gebiglerAsked:
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stevebowdoinConnect With a Mentor OwnerCommented:
Add this to your INZTAP  "DENSITY(*CTGTYPE)".    
Let they drive figure it out.

Steve Bowdoin
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tliottaCommented:
Try going in through iSeries Navigator. Drill down through My Connections ¿ your system ¿ Configuration and Service ¿ Hardware ¿ Tape Devices ¿ Tape Libraries. Make sure the drive is available and has a cartridge loaded. Right-click the drive and select Properties. Click the Capabilities tab.

Review the information available for density through that view to see if useful options are shown.

I don't have the same device/cartridge, so I can't tell you what values you might see. But I've had some decent luck going through that sequence. Other tabs can fill in some possible details.

Tom
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gebiglerAuthor Commented:
That's what I ended up doing.  For some reason, it kept bombing if I left ownerid blank.  *fmt3570 and *ctgtype both worked after I started filling in that field.  There must be something in our customized backup routine that requires it.  

Thanks!
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