hi Pranith,
we keep our research (astrophysical/telescope/simulations) data on the tapes,there we hold them on the same generation of the tapes around 10-12y old.
our data is incremental over 1990-2021, currently over petabyte...in early 90-th we have started with a few GB,1-10 DDS tapes ~1GB each, now we are moving to LTO8(12TB), in 30y span we got 1GB vs 12TB /tape
our main strategy is:
1) keep data live on raplicated - raids or triplicated glusterfs+zfs for now, or most of the data is on the lustrefs(for the performance reasons)
2) keep all data also on the tapes
3) replace/renew every 5-6years raid hardware
4) get the new tapes every 10years, store the all old data on the new technology tapes
do not forget that the old tapes you cannot read with the modern hardware, and after 20y you are not able even find any old reader in the market, so better to keep all old hardware in the cave :).
Pranith Kumar Karampuri <pranith.karampuri@xxxxxxxxxxx> schrieb am Do., 15. Juli 2021, 11:28:
Hi,________I am researching the kind of hardware that would be best for archival use case. We probably need to keep the data anywhere between 20-40 years. Do let us know what you think would be best.Pranith
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