I have assigned the SCSI ID's of the drives, and the library both physically (back of the tape drive) and via the OP panel, however I continue to run into issues where the system forgets the ID's and loses the library. I have not found any 1 cause for this issue.
i dont know if the SCSI ID's are even working.
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Re: StorageTek L20 SCSI ID issues?
Did it ever work for you?
You don't have to assign the scsi id's on the drives. The L20 does that for you according to whatever you set in the drive config menu.
When you say the system 'forgets' the id's does that mean it saw them initially? Does it lose any particular one or all of them? What's the physical configuration - that is, what devices are on which scsi busses and what are their ID's? Any daisy chaining?
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I had the same problem with our Storagetek L40 library and had to get another robotic hand from a company named Instock Inc. It was an easy fix. I just had to power off the L40 library, take off the old hand and put the new hand on, then turned the L40 library back on, and it worked great after that. In the hand is a sensor that goes bad after time.
You should be able to find them on the web at instockinc.com I believe, and they should have the hand you would need.
first of all SCSI drives are not configured as Master or Slave, they are assigned a SCSI ID. Your SCSI controller is usually SCSI ID 7 (not sure why) but you can usually remove all the jumpers and that would be SCSI ID 0. you can have as many hard drives attached to your SCSI controller so long as each one has a unique SCSI ID and is not assigned SCSI ID 7. I know this is not for your drive but look HERE to get a basic idea of how to assign SCSI ID's to hard drives.
power on the library, follow the display in the front panel. The library will do some checks. Note where it fails. Press the select button, it will display the some code message. With the error code refer the manual.
Try changing the autoloader SCSI ID and the tape drive SCSI ID at the front panel:
Use this option to view or change the SCSI IDs used by the autoloader. The autoloader occupies two SCSI
IDs, one ID is assigned to the autoloader and the second ID is assigned to the tape drive.
The default SCSI ID for the autoloader's SCSI controller is 0. The default SCSI ID for the tape drive is 5.
You only need to change a SCSI ID if there is another device, or devices, already assigned to these IDs.
NOTE: This option is primarily used if the autoloader is in an error state. However, any
backups that have not been verified as complete should be considered lost.
NOTE: If you changed the SCSI ID, you may also need to cycle power on the host
system and reconfigure your backup software before you can use the
autoloader. Consult your hardware and software manuals for more information.
Ok, I'm confused... are you sure this isn't router that you're mentioning isn't a SAN Switch? A StorageTek/Brocade 3250 switch... and this is a StorageTek Scalar 100 Tape Library with Fibre aware LTO Drives. The Library Users Manual can be found at http://downloads.quantum.com/scalar/S100/omS100UsersGuide.pdf. Switch information can be found at http://www.storagetek.com/products/product_page2304.html. I'm not a Sun guy, so I would suggest that you contact them to find out which versions of firmware for the switch that they have certified. With HP, there are certain versions of firmware that they certify with HPUX... and specific versions of HBA drivers that work better with HPUX as well. If it is, in fact a Brocade 3250, I would suggest that you start with a "switchshow"... figure out which port drive 4 attaches to... do a "porterrshow #" (# represents the port found) to see the port error statistics... you want to check the loss of signal and link failure count. I would do an "sfpshow #" to see the status of the transciever as well. Let us know.