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bpduplicate result a smaller size image

Iwan_Tamimi
Level 6

Hi All,

I duplicated tape using bpduplicate form LTO1 tape to LTO4 tape, the LTO1 is unencypted read using LTO2 tape drive and LTO4 is encrypted (using KMS). When I check the result of duplication, some of the images have the same size but some is not.

 

ads-bk_1135559670 ADS_AD_I UARC  7   31      N  N  R  1   09:14 12/24/2012

 1   1  4410176 RMed hcart   4         319057    nbp3-bck   0   N   09:14 12/24/2012 7  000480

 2   1  4410176 RMed hcart   5         1220837   nbp3-bck   0   N   09:14 12/24/2012 7  000802

 3   1  4410176 RMed hcart   2         17076     nbp-bck   0   N   09:14 12/24/2012 7  400083

 

ads-bk_1132935093 ADS_AD_I UARC  7   35      N  N  R  1   00:11 11/24/2012

 1   1  4370240 RMed hcart   3         301983    nbp-bck   0   N   00:11 11/24/2012 7  000480

 2   1  4370240 RMed hcart   5         1197950   nbp-bck   0   N   00:11 11/24/2012 7  000445

 3   1  4370240 RMed hcart   1         2         nbp-bck   0   N   00:11 11/24/2012 7  400083

 

fr-bck_119669942 FR_AD_FR UBAK  7   5978    N  N  R  1   00:30 12/02/2014

 1   1 59792975 RMed hcart   7         1148857   nbp-bck   0   Y   00:30 12/02/2014 7  000226

 2   1 59792975 RMed hcart   1         2         nbp-bck   0   Y   00:30 12/02/2014 7  000031

 3   1 59676192 RMed hcart   7         1711260   nbp-bck   0   N   00:30 12/02/2014 7  400083

...

notes: duplicate copy no 3 is the LTO4 , we copy from the original (no 1 - LTO1)

 

As you can see the ads-bk_1135559670 & ds-bk_1132935093 have the consistence size but the fr-bck_119669942 has a differnet size for the copy no3. I have tested to restore the copy no3 (after promoting it to be the original), the restoration looked fine.


Is it a normal ? How can O check the duplication is OK?

Thank you

 

Iwan

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