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How can I tell if data is compressed
- Thread starter wpdavids
- Start date
What type of compression are you using?
If you are using hardware compression, then the drives will do the compressing of data.
Check to see how full the tape is when it is marked full against the tape capacity specs.
Sometimes, files will do reverse compression if the file is uncompressable. This means if you had a 1MB file that wasnt compressable, it might be 2MB on tape.
If you are using hardware compression, then the drives will do the compressing of data.
Check to see how full the tape is when it is marked full against the tape capacity specs.
Sometimes, files will do reverse compression if the file is uncompressable. This means if you had a 1MB file that wasnt compressable, it might be 2MB on tape.
- Thread starter
- #3
My system uses 3:1 compression and I noticed when I did a "q vol" command it lists the Estimated capicity in MB stored on each tape. I looks like the 5 GB tapes are storing almost 15 GB and the 7 GB tapes are storing almost 20 GB with compression. Looks like the compression is working .. Thanks for the help.
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