We've run into no problems yet. We've recently switched from good ol? DLT to the newer AIT so I couldn?t tell you what kind of lifespan we?ll be getting. Auditors don't usually ask for tapes older than the last audit but we keep them just incase. I'm not sure what the legal length of time required is but I've restored files from DLT tapes that are several years old with no problems.
Our offices encompass a former bank building and we use the concrete/steel vault for our archive tape library with the tapes stored in fire safes inside that. It is very safe and secure vs. fire, flood, theft, weather, etc.
Handling tapes with care, storing them in their protective cases in a cool dry, dark environment will keep them nice and safe for many years to come.
What we do about any problems with the archives is hope we can use another set from just before or after the date requested. While replication takes care of most of the immediate needs, if a tape goes bad they may be right, you may be SOL. But this as far as my experiences go is few and far between.
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I have been backing up data to a DLT 35/70 drive since 2002, and all I can say is it has never failed me. HDDs are nice no doubt, I have used them to backup data for a quick data swap when upgrading the SCSI drives in my RAID 5 to larger drive to increase storage capacity. I am currently backing up around 120GB a week and the amount is increasing gradually around 1 gig a week, and it takes me about 3 tapes a week. I have never had a Tape fail in a critical moment but I have had HDD die out of no where they were not moved around all environemental precautions were taken but the drived was dead, and I could not get my data off. And the only HDD never to fail me is SCSI.
Just because technology is old does not mean it is opsolete. Hard Drives are also a very old technology for those of you who have never looked in a history book they date back to well in the 1950's and where somewhat based on technologie from the 1930's. Magnetic Tape also dates back to the 1950's.
Currently I am contemplating going to a SuperDLT or an LTO tape backup drive Anyone have any sugestions on which is beter. I need something that should fit my needs and also be able to fill my needs as my amount of data backed up increases.
I do a a full backup every week and keep the monthly full bakcups for longterm perposes and then I do incremental backups every day.
Just because technology is old does not mean it is opsolete. Hard Drives are also a very old technology for those of you who have never looked in a history book they date back to well in the 1950's and where somewhat based on technologie from the 1930's. Magnetic Tape also dates back to the 1950's.
Currently I am contemplating going to a SuperDLT or an LTO tape backup drive Anyone have any sugestions on which is beter. I need something that should fit my needs and also be able to fill my needs as my amount of data backed up increases.
I do a a full backup every week and keep the monthly full bakcups for longterm perposes and then I do incremental backups every day.
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