Networker

Re: [Networker] Jukebox Madness

2010-07-11 10:43:05
Subject: Re: [Networker] Jukebox Madness
From: Ken Gehring <ken.gehring AT GMAIL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Sun, 11 Jul 2010 08:37:52 -0600
Thanks. I'll give it a try on Monday and let the group know how it works out.

On Fri, Jul 9, 2010 at 3:25 PM, wallace88
<networker-forum AT backupcentral DOT com> wrote:
>> Whenever the door for the load ports is opened and closed, the library 
>> inventories the load ports (as is should) but then NetWorker decides that 
>> that isn't good enough and scans all the slots in the library (adds about 20 
>> minutes to depositing tapes).
>
>
> This is expected default behavior with NetWorker controlling the jukebox.
>
> From the NetWorker point of view, nsrlcpd detects the library offline and 
> changes the status as not ready.  It then Keeps on polling until the jukebox 
> does respond.  At this time, NetWorker has no way of knowing what has changed 
> in the library, and therefore must verify that the contents has not changed 
> by doing an element status check, comparing this against the volume list that 
> is in the jukebox resource, and then updating the list if there is a change. 
>  Without this, NetWorker volume list can be outdated and not in sync with the 
> current jukebox contents, and then can potentially cause a mess of load and 
> unload failures.
>
> Now this can be changed.  In the jukebox option, there is an option that can 
> allow you to choose so that NetWorker does not perform this check.  There are 
> two that controls this:
>
> no_elem_status_check
> no_init_elem_status_check
>
> Selecting these will tell NetWorker that you don't want it to perform this 
> scan.  It will then be the user's responsibility to reset and inventory the 
> library as required if the jukebox contents have changed in any way.
>
> But, in the case where someone is just opening and closing the j/b door, then 
> this is not an issue.
>
> +----------------------------------------------------------------------
> |This was sent by wl905 AT yahoo DOT ca via Backup Central.
> |Forward SPAM to abuse AT backupcentral DOT com.
> +----------------------------------------------------------------------
>
> To sign off this list, send email to listserv AT listserv.temple DOT edu and 
> type "signoff networker" in the body of the email. Please write to 
> networker-request AT listserv.temple DOT edu if you have any problems with 
> this list. You can access the archives at 
> http://listserv.temple.edu/archives/networker.html or
> via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
>



-- 
They that can give up essential liberty to obtain a little
temporary safety deserve neither liberty nor safety.
--Benjamin Franklin

To sign off this list, send email to listserv AT listserv.temple DOT edu and 
type "signoff networker" in the body of the email. Please write to 
networker-request AT listserv.temple DOT edu if you have any problems with this 
list. You can access the archives at 
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER

<Prev in Thread] Current Thread [Next in Thread>