jdd wrote:
Le 28/05/2015 23:44, Carlos E. R. a écrit :
It could be designed a system doing the best of both worlds, working like a raid, but one of the sides being always incremental backup type, not a real mirror.
incremental backup can be used for light data, not big one.
I make frequent video shots, with sources as big as 100 Gb for an evening, and subsequent use as Blu-Ray video, more than 20Gb, I often have more than 500Gb transient data during editing,impossible to backup incrementally (I only keep the last work, and the sources for 2/3 years...)
as I said, no solution is perfect.
For example, I'm retired and have no more parents, so I have no other place to hold hard disks than my house. I keep a copy in an anti-fire safe at the other side of the house, but all ca be stolen or destroyed by wild fire.
so I keep a light copy on my web site, but it's full copy of photos, but only web size copy of videos...
to be back to the subject, I'm not sure the raid is worth it's cost if the permanent use if not mandatory.
Cost is minimal - a 2Tb disk is less than EUR100, a Seagate 8Tb drive is only EUR250. It is purely a question of your needs. Do you need an up-to-the-second copy at all times, so no data is lost when a disk breaks or is it acceptable to revert to the 24hour old backup? For the former, RAID (maybe DRBD) is the solution, for the latter rsync copying to a NAS box will suffice. As Carlos says, if you also want protection against accidental file deletion (and other fat finger incidents), you need both. -- Per Jessen, Zürich (15.6°C) http://www.dns24.ch/ - free dynamic DNS, made in Switzerland. -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org