I'll look into this. I kind of thought about that sort
of thing and I went and installed ubuntu 12.04 which I
thought was what I started this all with but I might
have done it earlier than 12.04 and I might have used
gentoo.
are the mdadm defaults specific to mdadm version or
would ubuntu and gentoo have specified different
defaults in something like an /etc/defaults/ourmdadm.cfg?
If it's mdadm then could I just grab old copies of mdadm
sources and compile them one version after the other and
try each one?
Thanks,
- Jeff
On 4/24/2014 8:34 PM, Mikael Abrahamsson wrote:
On Thu, 24 Apr 2014, Jeff Wiegley wrote:
Why did my block counts change? The disk partitions weren't touched
or changed at any point. Shouldn't I have gotten the same size?
Defaults in mdadm has changed over time, so data offsets might be
different. In order to get the exact same data offset you need to use the
same mdadm version as was originally used, or at least know the values it
used and use mdadm 3.3 that allows you to specify these data at creation
time,
The created device isn't work. There is suppose to be luks encrypted
volume there but luksOpen reports there is no luks header. (and there
use to be). Would the odd change in size indicate total corruption?
No, the change in size indicates that data offsets are not the same so
your beginning of volume is now in the wrong place.
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