Archived posting to the Leica Users Group, 2024/05/31
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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 > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information -- // richard http://imagecraft.com