Tape Library

Gp's Tape Infrastructure!

Not So Bad Robotics Switch

Submitted by gpmidi on Sat, 12/15/2018 - 21:38

Looks like the buttons are both fine - Once I got it apart and tested it with a multi meter it became apparent that the robotics enable button is just momentary - it's a different kind of switch from the power switch. Based on the LEDs on the LMD (Library Motor Driver) it looks like that might be the problem. I'm going to check the rest of the fuses first though.

Bad Robotics Switch

Submitted by gpmidi on Sat, 12/15/2018 - 17:49

Looks like the robotics enable/disable switch on the i2000 is probably bad. Ordered a new switch panel but it'll be a while before it gets here. Gonna see what I can do in the meantime. At the very least I'd like to test and make sure that there aren't other issues I can be working on.

The attached image is the replacement one I got. It was around $34 on ebay.

The Gibson

Submitted by gpmidi on Sat, 12/15/2018 - 11:44

Thanks to my sister and her husband my tape libraries will now be the "Gibsons". I think I'll go with gibson2 and gibson6 for hostnames. Non-sequential just to mess with people...

Logging In Via GUI - Scalar i2000 (and maybe i6000)

Submitted by gpmidi on Fri, 12/14/2018 - 20:20

The default GUI accounts are:

  • admin:password
  • service:10101100

 

How to decode /usr/local/amc/app/Server/LMAccts.xml:

You can get root access via telnet to fetch LMAccts.xml per this doc: https://www.gpmidi.net/node/46

 

with open('/path/to/LMAccts.xml','rb') as f:
    root=bs4.BeautifulSoup(f,'xml')

i2000 Service Login - Interesting Findings

Submitted by gpmidi on Fri, 12/14/2018 - 16:10

Root's SSH Key

The root user has an ssh key allowed by default: 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA17NPD/1mXAN2kZ/E4YneYYLD7UEi+MiZ94ijJ2+b+oUxdZlGrpZH3zEsJZZGdLrAD+iDs1a0DS44CPEUmh1IF9i/joV4dmJctZEp7H15Z09p+r/1SIsfjwdJ7yNxLy2gc5wmrr09vjmNq0v8+yTWdawll2zjvygqvtYMYR2kD8QT9GT+6yTjWNCq+l1LFXM8wwwK3NI9DTxJh7KcLt1OgbrAlc4ZUhcS/4oOunMASVa0FCxtu5yVetoVdGC8b7YWQQTkzs3z3mpK1iqVNBxfs+LcPJDed35BVwb4Ajm2SWR6XJxK/Evj5jDqekEU23M2i2E4+2L9zQANzZoq6AbUvQ=='

/etc/exports

 

Logging In As root - Scalar i2000 (and maybe i6000)

Submitted by gpmidi on Fri, 12/14/2018 - 16:02
  1. Connect to the service port
    1. It's that little black covered on that says not to use
  2. Set your ip to 10.10.1.100
    1. The last octet can be anything but .1
  3. Use 'telnet' to connect to 10.10.1.1
  4. Login with "root" and "dallas"

 

I found this by using john the ripper on /etc/shadow in 10.10.1.1:/tftpboot/cmboot/initrd-dmcb (NFS). The initrd is gzip'ed. Once unzipped you can mount it with a loop device.

 

/etc/passwd

 

Tape Library: Why Tape?

Submitted by gpmidi on Tue, 12/11/2018 - 14:44

While discussing my new tape library a friend asked "why tape?" 

The answer is pretty simple: 

  • LTO-6 is $7.58/TiB
  • 8TB HDs are $24.83/TiB

At the end if the day I can get tape for 1/3 the price of hard drives. While the upfront cost of tape is higher ($4500 for tape vs $1500 for disk), it becomes worth it pretty quick to me.