Multiple Libraries

[Jimmy]

We currently have a 7337 DLT Library attached to an RS/6000.

If we want to add another 7337 Library,



Can we chain it off the current Library?



or



Will we have to attach it to a different SCSI card?



What, if any drawbacks would be involved with having multiple libraries?



Any insights into this venture would be greatly appreciated.

Thanks in advance.

 

[vanoostw]

Hi,



it might be possible to chain of the second library from the first. I would suggest checking such a setup with the vendor during the initial order. This way you might prevent unforseen trouble later on.



The setup you are proposing has a few drawbacks whicj are not encountered when connecting the second library to a second SCSI-card:

1. SCSI paths are very sensitive, the longer the scsi path the more problems might be encountered

2. the availability of two libraries each on a different scsi card is much better; maintenance work can be done on one library while the other is still operational

3. the throughput of two scsi cards is better the the throughput of one





Cheers.