HP3000-L Archives

April 2007, Week 5

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Denys Beauchemin <[log in to unmask]>
Reply To:
Denys Beauchemin <[log in to unmask]>
Date:
Mon, 30 Apr 2007 08:58:24 -0500
Content-Type:
text/plain
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I don't believe the settings change on reboot or even power cycles.  Once
you have set the drive one way, it stays that way until you mess with it
again with DEVCTRL or something equivalent that talks to the drive itself.

Denys...

-----Original Message-----
From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On Behalf
Of Keven Miller (rtt)
Sent: Monday, April 30, 2007 8:38 AM
To: [log in to unmask]
Subject: Re: [HP3000-L] replacement of dds-3 tape drive

Larry Simonsen wrote:
> our backups are such that they both write the tape and then do a vstore to

> verify that the tape is readable.  in this mode when the backup finished 
> the close of the tape file does not do an eject so that the tape can be 
> placed on-line and verified.  last week we replaced a dds-3 drive.  since 
> this time the close of the backup ejects the tape and the backup stream 
> can not place the tape back on-line.  where is the configuration setting 
> so that the close of the backup does not eject the tape?

I usually have my DDS drives set to NOT eject and NO COMPRESS.
    !DEVCTRL.MPEXL.TELESUP  7, disable, disable

I suspect that on a reboot, thats all reset to YES EJECT.

So my backup jobs have the DEVCTRL to set things as I want them.
    !DEVCTRL.MPEXL.TELESUP  7, enable, disable    /* COMPRESS, NO EJECT */
    do STORE
    !DEVCTRL.MPEXL.TELESUP  7, disable, enable    /* NO COMPRESS, EJECT */
    do VSTORE
    !DEVCTRL.MPEXL.TELESUP  7, disable, disable   /* NO COMPRESS, NO EJECT
*/

When I come in to swap the tapes, if they are not ejected,
something may be wrong:  Job failed, or some step of backup
is still running.

Keven

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