Merits of Virtual Tape Libraries (VTLs)
Or, “In 5 years time will we reflect on VTLs as an example of a bad direction in data protection?” Introduction Many people are convinced that VTLs are the bees knees – they offer backup to disk while...
View ArticleShould you use NAS for disk backup?
Over at SearchStorage, there’s an article at the moment about using NAS disk as a disk backup target – i.e., where (in NetWorker), the ADV_FILE device would be created. I have to say, I strongly...
View ArticleWhen will tape die?
As you may have noticed, I have a great deal of disrespect for “tape is dead” stories. To be blunt, I think they’re about as plausible as theories that the moon landing was faked. So I thought I might...
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Quibbles – The maddening shortfall of ADV_FILE
Everyone who has worked with ADV_FILE devices knows this situation: a disk backup unit fills, and the saveset(s) being written hang until you clear up space, because as we know savesets in progress...
View ArticleEMC, Data Domain, VTLs and Disk Backup
With their recent acquisition of Data Domain, some people at EMC have become table thumping experts overnight on why you it’s absolutely imperative that you backup to Data Domain boxes as disk backup...
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ADV_FILE operational changes
As I mentioned in an earlier post, EMC have announced on their community forum that there are some major changes on the way for ADV_FILE devices. In this post, I want to outline in a little more detail...
View Article7.5.2 and ADV_FILE devices
There is a bug with the way NetWorker 7.5.2 handles ADV_FILE devices in relation to disk evacuation. I.e., in a situation where you use NetWorker 7.5.2 to completely stage all savesets from an ADV_FILE...
View ArticleHoliday Wrap-Up
The holiday season is upon many of us – whether you celebrate xmas or christmas, or just the new year according to the Julian calendar, we’re approaching that point where things start to ease off for a...
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Data Domain Boost and Daily/Monthly Backups
One question that comes up every now and then concerns having an optimal approach to Data Domain Boost devices in NetWorker when doing both daily and monthly backups. Under NetWorker 7.x and lower,...
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