On Thu, 08 Feb 2018 10:33:13 -0500, "Marc A Kaplan" said: > Please clarify and elaborate .... When you write "a full backup ... takes > 60 days" - that seems very poor indeed. > BUT you haven't stated how much data is being copied to what kind of > backup media nor how much equipment or what types you are using... Nor > which backup software... > > We have Spectrum Scale installation doing nightly backups of huge file > systems using the mmbackup command with TivoliStorageManager backup, using > IBM branded or approved equipment and software.
How long did the *first* TSM backup take? Remember that TSM does the moral equivalent of a 'full' backup at first, and incrementals thereafter. So it's quite possible to have a very large filesystem with little data churn to do incrementals in 5-6 hours, even though the first one took several weeks.
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