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Anton Aylward wrote:
On 03/16/2015 09:32 AM, Greg Freemyer wrote:
If you are going to use drives with 4KB physical sectors you need to avoid filesystems with 1KB blocks.
I'm sure there are many in the silent majority here who don't have the detailed knowledge, or, like me, have let it pass them by since they deal with other matters (such as users and applications), and wonder about one or another implication in that statement.
We've seen the example with mkfs or extFS for various block sizes, but what about other file systems?
And more to the point for most of us:
How can we tell about these things?
* What block size the disks are are
I suppose all late model disks are 4K :-)
Probably the larger ones, but I have a bunch of 2Tb drives, they're all 512bytes.
* How can we tell if they are aligned?
Check the partition boundaries. If they are divisible by <blocksize>, a partition is aligned.
- if they are not, what can we do about it?
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