[Leica] [Leica} Tina's Drobos... Update: All loaded.

[Richard Man]

I'm in the "don't trust RAID unless you really know what you're doing"
camp. One bad controller and you are hosed.

This is one reason I went with ZFS, 2 disks for redundancy, and if one disk
drive, it should be reasonably easy to recover.

On Fri, May 31, 2024 at 10:05 PM Jayanand Govindaraj via LUG <
lug at leica-users.org> wrote:

> Interesting. A layman's question - would it not be less
> complex/faster/cheaper/easier to have a data library on 20TB drives from
> Seagate/WD with USB 3.1 or 3.2 ports , either as an external brick, or with
> high quality enclosures? The specs say 10-20 GB/S, though that is only in
> Never Never Land, not in the real world!
>
> Cheers
> Jayanand
>
>
>
> On Sat, Jun 1, 2024 at 1:30 AM Frank Filippone via LUG <
> lug at leica-users.org>
> wrote:
>
> > If there are any of you still interested in the terribly nerdy, and not
> > Leica related, IT based information of this subject, I continue my
> tale....
> > Those that do not care, can hit the delete key and save your time and
> > patience for other things.....
> >
> > Tina has all her images, 40.2TB of them, now on one Synology NAS.  At
> this
> > moment, she is directing LR to find all the new places for these images.
> > Not a fast task, but a necessary one.
> >
> > FYI, the copy speed of the Drobos to the NAS was 5TB/ DAY..... the 40TB
> of
> > this installation, would have taken 8 Days running 24/7. I made some
> errors
> > and there were some duplicated folders, so it took longer... about 12
> > days.   The Drobo was directly plugged into the back of the NAS, and the
> > NAS was
> > running directly with the USB port,, no computer in the "middle".  This
> is
> > the fastest configuration.  The copy was done by use of the faster O/S of
> > the NAS, not Windows.  (This is SOOOOO nerdy,, if you wish to know more,
> > contact me directly.  )
> >
> > The Drobo source files are being preserved for a while until we are sure
> > all the images have been copied properly, none forgotten or misplaced.
> > They
> > sit on a shelf, without power ( or purpose) for now.  Later they will be
> > cannibalized for the HDD inside, to go into her ProDrives for a archive
> > backup to the NAS.
> >
> > If anyone has interest in Drobos, and has the insane ( Value judgement is
> > mine) death wish to use these, please contact  Tina, directly. It is not
> > time to get rid of them yet, but you should check with her to make
> > arrangements....
> >
> > I do not suspect there will be a big stampede, but who knows?
> >
> > Note on the Probox:  These reasonably cheap ( few hundred $$$) HDD
> > enclosures have an interesting feature that I will use when we get that
> > far... they
> > have an eSATA port.  So does the NAS ( not all do).  This is of value
> > because eSATA is significantly faster (so I am told, 5GB/Sec on USB 3.0,
> > 6GB/Sec
> > for eSATA) then USB 3.0.  Backup times will be reduced significantly.
> >
> > If you are thinking about also putting all your images on one HDD array,
> > NAS or RAID or not, AND you have an eSATA port on your computer ( some
> do,
> > others do not) this is probably the best way to wire up your computer...
> > use eSATA to ProBox directly rather than use USB to make the connection
> > faster.
> >
> > Be Aware that eSATA does not support hot-swapping, therefore the computer
> > has to be restarted to recognize the connected device.  Not a big deal.
> > Especially if you have only one eSATA device.
> >
> > More to come as I get everything working.... better, faster, and more
> > protected.
> >
> >
> > Frank Filippone BMWRed735i at Gmail.com
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
>
> _______________________________________________
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-- 
// richard http://imagecraft.com