Bacula-users

Re: [Bacula-users] Copy disk to tape is 4x slower than tar

2016-03-19 15:45:45
Subject: Re: [Bacula-users] Copy disk to tape is 4x slower than tar
From: Phil Stracchino <phils AT caerllewys DOT net>
To: bacula-users AT lists.sourceforge DOT net
Date: Sat, 19 Mar 2016 15:41:05 -0400
On 03/19/16 10:56, Josh Fisher wrote:
> On 3/17/2016 8:48 AM, Alan Brown wrote:
>> . What's killed all these "smaller"
>> formats is cheap(ish) HDD/SSDs, cloud storage and the likes of Netflix.
>> That's despite even BDXL 120GB not being large enough capacity to hold a
>> complete 4k video title.
>>
> 
> RDX is a good choice for "smaller" format, although smaller is relative. 
> The bottom line is that a USB3 RDX drive and 6 2 TB cartridges is about 
> the same cost as a single LTO-6 drive and 4 2.5 TB cartridges. If media 
> needs in the long term will stay below 12 - 16 TB, then RDX is the 
> simpler, and IMO better choice. Above that, LTO-6 wins out due to much 
> lower media cost.
> 
> For the backup window factor, LTO-6 wins every time. However, RDX 
> performance is on par with LTO-4, so for many, if not most, small 
> businesses, it meets their needs.

I'm still surprised that cloud storage is even considered by anyone but
single users with a single PC.  And even there I'm surprised it's viable
given how poor most US "broadband" service is.

What do you mean about the backup window, though?

What's the best way to handle a removable-cartridge-drive technology
like RDX in Bacula -- use the virtual changer...?


-- 
  Phil Stracchino
  Babylon Communications
  phils AT caerllewys DOT net
  phil AT co.ordinate DOT org
  Landline: 603.293.8485

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