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Under Linux we use the mtx utility to talk to the library portion of the tape drive. It does a nice job of moving the tapes around and is very scriptable.
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On Wed, 2001-12-26 at 15:46, Jim Ockers wrote:
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<PRE><FONT COLOR="#737373"><FONT SIZE="3"><I>Ed,</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>> This sounds *very* much like a Win2K problem. I've used GNU tar on both</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>> Solaris and Linux boxen to fill and rotate tapes on DDS jukeboxes (12Gig</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>> native DDS-3 tapes with 6 tapes/cartridge so 72Gig total) and had *NO*</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>> problems with GNU tar.</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>How do you talk to the autoloader to get it to switch tapes after the</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>first one is full? I've been wondering this for a while now. I have</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>a DLT library which you may be able to help me with, if you have used</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>tar for DDS jukeboxes. My tape hardware is:</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Host: scsi2 Channel: 00 Id: 00 Lun: 00</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I> Vendor: QUANTUM Model: Powerstor L200 Rev: 001E</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I> Type: Medium Changer ANSI SCSI revision: 02</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Host: scsi2 Channel: 00 Id: 01 Lun: 00</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I> Vendor: QUANTUM Model: DLT7000 Rev: 2150</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I> Type: Sequential-Access ANSI SCSI revision: 02</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>As you can see the tape autoloader is a Quantum Powerstor L200. It</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>eats 35/70GB DLT tapes, as does the drive. The Powerstor holds 8</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>tapes.</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>How can I run a tar backup and still (using a software command) get</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>another tape into the drive using the robotics? I can use the</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>'eject' command to eject the tape and the 'mt' command to view the</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>status of the tape, etc. I have no idea how to tell the robotics</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>to change tapes when the first one fills up.</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Thanks for any help. BTW We are on a 2.2 kernel right now but are</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>moving to a 2.4 kernel in a few months.</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>--</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Jim Ockers (ockers@ockers.net)</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Contact info: please see http://www.ockers.net/</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
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