Well, if I understand it correctly, it looks like, at least according to
our version (6.1.1) that if you have 'Auto clean' set to yes, then
NetWorker will clean according to the schedule (interval) that you set
which I assume is the 'Cleaning interval' field under the devices
(details) window. But if you have 'Auto clean' set to No, *BUT* you have
a value defined for the 'Cleaning interval' field then NetWorker will
simply issue an event notification that the affected device needs to be
cleaned but will not attempt to clean it. HOWEVER, if you have 'Auto
clean' set to No *AND* you do NOT have any value set for the 'Cleaning
interval' field then NetWorker will do nothing.
If I what I said is correct, then it appears that Legato's cleaning
scheme is based entirely on its own schedule and has nothing to do with
the library and/or what the device on the library thinks. Now, perhaps
this all changes in later releases of NetWorker? Can anyone whose using
6.1.4 or later confirm this?
If this is the case for our version then it sounds dangerous as there's
no friggin' way I'm gonna leave the drive cleaning schedule to guess
work. LOL! I'd rather let the library do it, where I know it will get
done when and only when it needs it even if it means runnning the risk
of contention.
It woul be nice if NetWorker based its decision to clean or not clean
based on what the library device tells it and not it's own guess work
schedule and worse case scenario being that NetWorker would notify you
that the drive needed to be cleaned but would leave it up to the device
to determine this.
George
Librado Pamintuan wrote:
>
> Check 'Media->Jukeboxes' tab and be sure you view 'details'.
>
> >>> George Sinclair <George.Sinclair AT NOAA DOT GOV> 07/29/04 04:32pm >>>
> Okay, we're running 6.1.1, and we don't have 'auto clean' enabled on
> NetWorker. I checked the device configuation, and I see the following
> 3
> fields:
>
> Cleaning required (Yes/No; currently set to No)
> Cleaning interval (empty field)
> Date last cleaned (empty field)
>
> In checking the help window, I have several questions.
>
> 1. Can we assume that since we show a "Cleaning interval" field that
> our
> NetWorker version does not inquire from the library if a drive needs
> to
> be cleaned and instead just uses it's own schedule? In other words, if
> we had a later release, we would not see this field? Anyone?
>
> 2. The help window says that if the "Cleaning interval" field is blank
> then there is no cleaning schedule for the device. So if you leave it
> blank does that mean that NetWorker will never clean it or does it
> instead mean that NetWorker will ask the library and not use it's own
> schedule?
>
> 3. I assume that you would NOT set "Cleaning required" to 'Yes' unless
> you wanted to force a clean at the next load/unload, but if you have
> it
> set to 'No' then auto-cleaning will still work?
>
> 4. Maybe none of this works unless you have 'auto clean' enabled but
> maybe enabling that forces NetWorker to use it's own schedule to do
> it?
>
> For those of you using later versions of NetWorker wherein NetWorker
> apparently asks the library/device if it needs to be cleaned before
> loading a tape, do you have the 'auto clean' field under jukeboxes
> and/or the other 3 fields under devices?
>
> Thanks.
>
> George
>
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