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Re: Beating a dead horse

2015-11-23 18:11 GMT+01:00 William A. Mahaffey III <>:
> [his alignment]
> Partitions aligned to 2048 sector boundaries, offset 2048 <------ *DING DING
> DING* !!!!
> [your alignment]
> Partitions aligned to 16065 sector boundaries, offset 63 <----- *DING DING
> DING* !!!!

My first thought when reading this was that you could have an
"Advanced Format" disk with 4K sectors (as you have 1 TB 2.5" drives,
especially then this can be the case!), but your alignment at a first
look seems horribly wrong for such a disk, which would lead to your
"slow I/O"...
Can you investigate this further? And what is the exact disk model you use?
Apart from that, there are in fact tools which can correct this
misalignment (but always make a backup before :)). Most drive
manufacturers offer a free version of an Acronis tool for their


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