LTO Tape Drives -- server connection ?

Which option do you think is better and why ?
====================================
Option #1
  ** physical server #1 with
     INTERNAL "one-tape" LTO-6
     backup drive since server #1
     only needs one tape for the
     three HyperV machines it hosts

  ** physical server #2 with
     INTERNAL "one-tape" LTO-6
     backup drive since server #2
     only needs one tape for the
     three HyperV machines it hosts

ADVANTAGES
  ** both servers can do
     backup at the same time

DISAVANTAGES
  ** BackupExec installed
     on two physical servers
====================================
Option #2
  ** server #1 and server #2 share
     EXTERNAL LTO-6 "two-tape" autoloader
     backup drive since both servers
     together need "two-tapes" total

  ** setup BackupExec on server #1
     to backup server #1 to tape #1
     and server #2 to tape #2
finance_teacherAsked:
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JohnBusiness Consultant (Owner)Commented:
Without Hyper-V in the loop, I use Option 2 for real servers as it reduces the number of tape drives, and the backups occur overnight. So this option is preferable in our circumstances.

Are you sure Backup Exec will back up the virtual machines?  I don't think it will back up VMware machines like this.

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Gerald ConnollyCommented:
I agree with John, option 2 is preferable, as it allows for data growth (autoloader) and unattended backups.

But you need to make sure your network is provisioned for all the extra traffic that the backups will add
JohnBusiness Consultant (Owner)Commented:
@finance_teacher  - Thanks and I was happy to help.
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