Re: [ADSM-L] the purpose of "file" device class

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Re: [ADSM-L] the purpose of "file" device class

2009-09-22 13:25:58

Subject:	Re: [ADSM-L] the purpose of "file" device class
From:	Michael Green <mishagreen AT GMAIL DOT COM>
To:	ADSM-L AT VM.MARIST DOT EDU
Date:	Tue, 22 Sep 2009 20:25:03 +0300

On Tue, Sep 22, 2009 at 7:03 PM, Kelly Lipp <lipp AT storserver DOT com> wrote:
> I don't think it's an either/or decision.  I believe that tape will always 
> have a place but that using some file pool will offer very nice RTO/RPO 
> combos for some data structures.  The allure of very inexpensive tape storage 
> should always be there (and perhaps increase again with LTO5) while the 
> allure of "instant" restore will intrigue us, especially as 2TB SATA becomes 
> mainstream.

Amen.

> Power and cooling disk is expensive and not green (I'm not green either, but 
> thought I should at least try to be politically correct), while tape is still 
> green (except for the oil needed to make the darn things).

I bet the amount of oil wasted in the process of disk manufacturing
greatly exceeds that of tape.


--
Warm regards,
Michael Green

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