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vmtest1
2008 Apr 30
1
determining correct size for LV copy operations
...to copy an LV from one machine to another. I dd
the LV to a file on the other machine, then dd the file to the new LV.
That fails, because a few MB are missing.
source:
LV Name /dev/VolGroup01/LogVol01
LV Size 4.62 GB
target:
LV Name /dev/xenvm/lvmtest1
LV Size 4.62 GB
Both were created with lvcreate -L 4.62GB, but there's obviously a small
rounding or whatever difference. The size of the physical extents seems to
be different.
I can determine the size of the output file
-rw-r--r-- 1 root root 4966055936 Apr 30 21:19 lvmt...