Re: To collocate or to not collocate?

> Collocation should be used when you have a business need for it.
> Specifically, if someone comes to you and says "I must be able to restore
> the data on this 20 GB disk in three hours or less."  Then you MIGHT need
to
> consider collocation.  Always be sure you can't do without it before you
> decide to do with it.
>
> Collocation is a wonderful feature.  However, it can be costly on a
> day-to-day basis as typically many more tapes will be mounted during
> migration.  It can also be rather tape inefficient.  We use it for very
> specific data that doesn't collocate naturally and where the business need
> drives us to it.
>
> Kelly J. Lipp
> Storage Solutions Specialists, Inc.
> PO Box 51313
> Colorado Springs CO 80949
> 719-531-5926
> www.storsol.com
> lipp AT storsol DOT com
>
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> Dwight Cook
> Sent: Wednesday, July 28, 1999 2:55 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: To collocate or to not collocate?
>
>
>      JMHO... when you turn collocation off again it will just start to
>      finish filling any "filling" tapes and, and, and...
>
>      No big deal in other words...
>
>      and the more daily traffic you have the quicker the environment will
>      normalize itself to what ever setting you are using collocation
>      [yes|no|file]
>
>      Dwight
>
>
> ______________________________ Reply Separator
> _________________________________
> Subject: To collocate or to not collocate?
> Author:  Talafous (Talafous AT TIMKEN DOT COM) at unix,mime
> Date:    7/28/99 2:35 PM
>
>
> I have been reading the manuals and am not finding the answer to my
> question.  Perhaps with this group I will.  IF an installation turns
> collocation on and later decides to turn collocation off, what are the
> ramifications of space reclamation?  Will it be possible to drive
> reclamation such that all volumes are at least 50% utilized?
>
> With that in mind, should collocation ever be used in a large
installation?
>
> John G. Talafous                         Sr. Tech. Prog/Anal
> The Timken Company                 Phone: (330)-471-3390
> P.O. Box 6927                           Fax  : (330)-471-4034
> 1835 Dueber Ave. S.W.
> Canton, Ohio USA  44706-0927
> talafous AT timken DOT com     http://www.timken.com/