Glad to oblige.
Boingggg! (Sound of comic book frying pan hitting a blockhead. :-) )
Denys
-----Original Message-----
From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On Behalf
Of Johnson, Tracy
Sent: Thursday, April 20, 2006 2:30 PM
To: [log in to unmask]
Subject: Re: [HP3000-L] Ultrium 960
Keep it busy with data eh?
Sounds like a good SOX use for going back to using tapes for LOG files!
(Hehehehe.)
(Someone smack me over the head now, please!)
Tracy Johnson
Measurement Specialties, Inc.
BT
NNNN
> -----Original Message-----
> From: HP-3000 Systems Discussion
> [mailto:[log in to unmask]] On Behalf Of Denys Beauchemin
> Sent: Thursday, April 20, 2006 3:24 PM
> To: [log in to unmask]
> Subject: Re: [HP3000-L] Ultrium 960
>
>
> The LTO Ultrium would only be available for N4000 class
> machines due to LVD requirements and also the needed
> performance to keep these drives fed with data.
>
> When I was with Hicomp, we did some tests of Hiback on the
> 3000 with an LTO and we got about 25 MB/second transfer rate
> to tape, IIRC. I believe another 3rd party product was doing
> about the same rate as well. This was some years ago and my
> memory is fading with age, so you need to check.
>
> The DLT had to be fed at 7-8 MB/second to get good streaming,
> and faster was better. This situation just got even more so
> with the LTO; you need a fast system to keep them going
> efficiently and only PCI or newer would do the trick.
>
> One way of finding out if your system could benefit from LTO
> is simply this: If you currently backup to a DLT8000 and you
> get a rate of about 45GB per hour (12MB/second) per drive,
> you might want to investigate LTO, less than that, don't bother.
>
> Also, the comment about putting multiple backups on the same
> tape is very good, but again please remember to use the very
> best tapes you can find as now you can lose multiple backups
> because of one bad tape. And yes, I am well aware of the
> mechanisms used to skip over bad spots and such; spend the money.
>
> Denys
>
> -----Original Message-----
> From: HP-3000 Systems Discussion
> [mailto:[log in to unmask]] On Behalf Of Johnson, Tracy
> Sent: Thursday, April 20, 2006 2:01 PM
> To: [log in to unmask]
> Subject: Re: [HP3000-L] Ultrium 960
>
> Don't know. Only heard about it being available for HP-UX below.
>
> If it only requires a driver, it should work, ya think?
>
> What would MAPPER report?
>
> Tracy Johnson
> Measurement Specialties, Inc.
>
> BT
>
>
>
>
>
>
>
> NNNN
>
>
> > -----Original Message-----
> > From: HP-3000 Systems Discussion
> > [mailto:[log in to unmask]] On Behalf Of Jeff Cox
> > Sent: Thursday, April 20, 2006 2:52 PM
> > To: [log in to unmask]
> > Subject: Re: [HP3000-L] Ultrium 960
> >
> >
> > We have an LTO for our Windows servers and are able to back
> > up over a TB onto three tapes.
> >
> > Is there an LTO solution available for the 3000 or is it just
> > the 9000?
> >
> > -----Original Message-----
> > From: HP-3000 Systems Discussion
> > [mailto:[log in to unmask]] On Behalf Of Johnson, Tracy
> > Sent: Thursday, April 20, 2006 2:48 PM
> > To: [log in to unmask]
> > Subject: Re: [HP3000-L] Ultrium 960
> >
> > For my DLT-4's at 80GB, I can back up my system at about $40
> > a pop. If I use an LTO, I can have about 8 backups of my
> > system at 12.50 a pop. Maybe even more with software compression.
> >
> > (This assumes to use an Append feature to get more than one
> > backup on a
> > tape.)
> >
> > ((This also assumes your dataspace keeps a similar size after
> > conversion from Turbo/Image.))
> >
> > > -----Original Message-----
> > > From: HP-3000 Systems Discussion
> [mailto:[log in to unmask]] On
> > > Behalf Of Shawn Gordon
> > > Sent: Thursday, April 20, 2006 2:18 PM
> > > To: [log in to unmask]
> > > Subject: Re: [HP3000-L] Ultrium 960
> > >
> > >
> > > Holy CRAP, that is insane. I hadn't heard anything about
> these, but
> > > they aren't even all that expensive at about 3k. This is
> > what I need
> > > for my Mindawn system.
> > >
> > > At 11:00 AM 4/20/2006, Denys Beauchemin wrote:
> > > >Kent, sorry to take so long to answer. The LTO Ultrium is
> > > an exciting
> > > >backup technology that is head and shoulders above DLT and
> > > far superior
> > > >to DDS. :-)
> > > >
> > > >The capacities the LTO Ultrium tapes are astounding and it
> > should be
> > > >remembered that when you can store up to 800 gigabytes
> on a single
> > > >tape, you want to be confident that the tape is the very
> > > best quality
> > > >you can get.
> > > >
> > > >You can buy Ultrium tapes online at HP and be prepared to
> > > pay $100 or
> > > >more per tape. If 800GB is way too much capacity, you can
> > > buy smaller
> > > >capacity tapes and the cost less also, but again please do
> > > not try to
> > > >pinch pennies on these tapes, get the best.
> > > >
> > > >
> > > >Denys
> > > >-----Original Message-----
> > > >From: HP-3000 Systems Discussion
> [mailto:[log in to unmask]] On
> > > >Behalf Of Kent Wallace
> > > >Sent: Friday, April 07, 2006 4:10 PM
> > > >To: [log in to unmask]
> > > >Subject: [HP3000-L] Ultrium 960
> > > >
> > > >We got our HP-UX box in to replace the HP3000. It has a
> > Ultrium 960.
> > > >
> > > >
> > > >
> > > >Does anyone know a good place to Ultrium 960 tapes?
> > > >
> > > >
> > > >
> > > >Kent Wallace
> >
> >
> > Tracy Johnson
> > Measurement Specialties, Inc.
> >
> > BT
> >
> >
> >
> >
> >
> >
> >
> > NNNN
> >
> > * To join/leave the list, search archives, change list settings, *
> > * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
> >
> > * To join/leave the list, search archives, change list settings, *
> > * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
> >
>
> * To join/leave the list, search archives, change list settings, *
> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
> * To join/leave the list, search archives, change list settings, *
> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
|
