Maybe an idea to add a cache volume to the LV?? Not 100% sure if this works but would be nice to try.
Hello,
I played around with the new dm-integrity integration in lvm. Unfortunately, it
is very slow, as the checksums has to be written and read on - which is the
price to pay obviously.
I thought that it might be a good idea to move the metadata to a fast disk,
i.e., a SSD, however that is not possible and I get an error message on pvmove:
# pvmove -n r10_int_rimage_0_imeta /dev/sdd /dev/sda2
Unable to pvmove device used for raid with integrity.
I could not find a reason why this should not be done in theory, thus I guess
that this is simply not supported by LVM right now?
Or is there another reason why you should keep the metadata always on the same
device?
Best,
Sebastian
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