From owner-freebsd-questions  Fri Jan 26 18: 3:43 2001
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Date: Fri, 26 Jan 2001 20:03:20 -0600 (CST)
From: Adam Simpson <adam2@apollo.netsonic.net>
To: freebsd-questions@FreeBSD.ORG
Subject: EZ-17 Changer and Mammoth2 Tape Drive - anyone using with success??
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Hello.. we recently got a Exabyte EZ17 Changer and Mammoth2 tape
drive.  We are trying to get the changer to work with amanda.  However we
get errors when any attempt to change to the next slot is made.

# mt status
Present Mode:   Density = 0x28         Blocksize variable Comp 0
---------available modes---------
Mode 0:         Density = 0x00         Blocksize variable
Mode 1:         Density = X3.136-1986  Blocksize = 512 bytes
Mode 2:         Density = X3.39-1986   Blocksize variable
Mode 3:         Density = X3.54-1986   Blocksize variable


# chio status
picker 0:
slot 0: <ACCESS>
slot 1: <ACCESS>
slot 2: <ACCESS>
slot 3: <ACCESS>
slot 4: <ACCESS>
slot 5: <ACCESS>
slot 6: <ACCESS>
drive 0: <FULL>

Dmesg output is:

ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 1 int a irq 10 on pci0:9:0
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0 waiting for scsi devices to settle
(ahc0:0:0): "EXABYTE Exabyte EZ17 1.07" type 8 removable SCSI 2
ch0(ahc0:0:0): Medium-Changer 7 slots, 1 drive, 1 picker
(ahc0:1:0): "EXABYTE Mammoth2 v02r" type 1 removable SCSI 2
st0(ahc0:1:0): Sequential-Access density code 0x28, 1024-byte blocks,
write-enabled

# chio params
/dev/ch0: 7 slots, 1 drive, 1 picker
/dev/ch0: current picker: 0


# chio move slot 3 drive 0
chio: /dev/ch0: CHIOMOVE: Invalid argument


any attempt to move gives the above error.

Trying to use amanda

# chio move slot 3 drive 0
chio: /dev/ch0: CHIOMOVE: Invalid argument

operator@hades [7:59pm] /usr/local/bin > amtape master show
amtape: scanning all 7 slots in tape-changer rack:
slot 7: date X        label VOL3

hangs and gives this in dmesg output.

ch0(ahc0:0:0): ILLEGAL REQUEST asc:3b,90 Vendor Specific ASCQ


Any Ideas what we can try??  Anyone using the changer successfully?

We are running this on 2.2.8-Stable however, I get the same results on 4.2
stable with the 29160 adaptec controller.

Appreciated



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