You have a pretty slick setup. We back up about 200G or less for a full backup, and 2 to 10G for our daily incremental. The kicker is the 3000 mile channel extension...coast-to-coast.
________________________________ From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Mike Walter Sent: Thursday, June 05, 2008 1:58 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: VM:Backup: Twinning Tapes to Remote Tape Unit We have (forever) backed up using VM:Backup "twins" - reading disk once, writing concurrently to separate backup tapes about 3 miles apart (each with it's own volser). We do full file-level backups and critical system DASD physical-backups each Saturday to three 3590 drives in each data center (six spinning MagStar tapes). Over the past few weeks, each Saturday we've backed up about 350G-500G in 5.5-6.25 hours from an VM:Backup running on an olde z800. Mike Walter Hewitt Associates Any opinions expressed herein are mine alone and do not necessarily represent the opinions or policies of Hewitt Associates. "Llewellyn, Mark" <[EMAIL PROTECTED]> Sent by: "The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU> 06/05/2008 03:44 PM Please respond to "The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU> To IBMVM@LISTSERV.UARK.EDU cc Subject Re: VM:Backup: Twinning Tapes to Remote Tape Unit That would be by far the easiest way, but VM:Backup is not able to handle copied tapes at a BRP site - it's catalog wouldn't match. -----Original Message----- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Mark Post Sent: Thursday, June 05, 2008 1:38 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: VM:Backup: Twinning Tapes to Remote Tape Unit >>> On Thu, Jun 5, 2008 at 4:12 PM, in message <[EMAIL PROTECTED]>, Mark Llewellyn <[EMAIL PROTECTED]> wrote: -snip- > Our other option is to simply run two backup jobs, one to the local > drive and one to the remote, but that effectively doubles the hit of > the backup jobs. Not if you do the backup to local tape drives, and then do a tape-to-tape copy to the remote drives. Mark Post ________________________________ The information contained in this e-mail and any accompanying documents may contain information that is confidential or otherwise protected from disclosure. If you are not the intended recipient of this message, or if this message has been addressed to you in error, please immediately alert the sender by reply e-mail and then delete this message, including any attachments. Any dissemination, distribution or other use of the contents of this message by anyone other than the intended recipient is strictly prohibited. All messages sent to and from this e-mail address may be monitored as permitted by applicable law and regulations to ensure compliance with our internal policies and to protect our business. E-mails are not secure and cannot be guaranteed to be error free as they can be intercepted, amended, lost or destroyed, or contain viruses. You are deemed to have accepted these risks if you communicate with us by e-mail.