[Veritas-bu] Driving LTO-2 Drives From Windows
2003-09-11 19:02:52
Subject: |
[Veritas-bu] Driving LTO-2 Drives From Windows |
From: |
o.ivanov AT verizon DOT net (Oleg Ivanov) |
Date: |
Thu, 11 Sep 2003 19:02:52 -0400 |
Yes Jon, I was talking about windows only. thanks for pointing it out.
>
> From: "Jon Walton" <jonw AT n2h2 DOT com>
> Date: 2003/09/11 Thu AM 12:24:33 EDT
> To: "Oleg Ivanov" <o.ivanov AT verizon DOT net>,
> "Fabbro, Andrew P" <Fabbro.Andrew AT cnf DOT com>, <jmaley AT
> macromedia DOT com>,
> "Moses, Darby" <DMoses AT leviton DOT com>
> CC: "Veritas-BU" <veritas-bu AT mailman.eng.auburn DOT edu>
> Subject: Re: [Veritas-bu] Driving LTO-2 Drives From Windows
>
> Hmm.. was he perhaps referring only to Windows? On Unix/Linux systems it
> is by nature multi CPU aware as it consists of many processes. (i.e. many
> bptm's during a busy backup period) The kernel will schedule these
> multiple process across all CPUs.
>
> -Jon
>
> ----- Original Message -----
> From: "Oleg Ivanov" <o.ivanov AT verizon DOT net>
> To: "Fabbro, Andrew P" <Fabbro.Andrew AT cnf DOT com>; <jmaley AT macromedia
> DOT com>;
> "Moses, Darby" <DMoses AT leviton DOT com>
> Cc: "Veritas-BU" <veritas-bu AT mailman.eng.auburn DOT edu>
> Sent: Wednesday, September 10, 2003 7:40 PM
> Subject: Re: [Veritas-bu] Driving LTO-2 Drives From Windows
>
>
> > I had similar situation and got nice quad cpu box and was killed by
> netbackup engineer with " breaking news" that NETBACKUP 4.5 IS NOT MULTI CPU
> AWARE application, it will NOT use more then one CPU during backups. May be
> veritas will fix that in V 5.0. so don't waste money, just get as much
> single cpu "horse power" as you can, tune up HBA's on host computers and you
> should be flying.
> > However, multi cpu can help if you would use storage/disk backup option in
> netbackup.
> > Good luck!
> >
> > >
> > > From: "Fabbro, Andrew P" <Fabbro.Andrew AT cnf DOT com>
> > > Date: 2003/09/10 Wed PM 03:52:10 EDT
> > > To: "'jmaley AT macromedia DOT com'" <jmaley AT macromedia DOT com>,
> > > "Moses, Darby" <DMoses AT leviton DOT com>
> > > CC: Veritas-BU <veritas-bu AT mailman.eng.auburn DOT edu>
> > > Subject: [Veritas-bu] Driving LTO-2 Drives From Windows
> > >
> > > We may have an environment where we'll be deploying LTO Gen-2 drives
> > > attached to a Windows media server. The data will be coming in over
> 2Gbps
> > > SAN and I'm guessing 60MB/sec to write it out per drive (based on
> 30MB/sec
> > > we get with Gen-1). We're 2GBps at all points so there shouldn't be any
> > > problems there...
> > >
> > > ...but I'm wondering what size Windows box I'll need to drive 240MB/sec?
> Is
> > > a 4-way enough? 8-way? Anyone doing something like this?
> > >
> > > --
> > > Drew Fabbro [fabbro.andrew AT cnf DOT com]
> > > Unix Systems Group
> > > Desk: 503-450-3374
> > > Cell: 503-701-0369
> > > _______________________________________________
> > > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > >
> >
> > _______________________________________________
> > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> >
>
>
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