PDC arrays > 2 TB and non 512 byte dm sector size

Heinz Mauelshagen heinzm at redhat.com
Wed Nov 21 14:19:29 UTC 2012


On 11/12/2012 08:16 PM, Phillip Susi wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> It appears that PDC arrays > 2 TB pretend they have > 512 byte sector
> sizes.  I'm trying to figure out how to patch dmraid to support this
> but I'm not sure how to tell device-mapper to use a different sector
> size.  Is this possible?

No, dm goes by hard sector sizes, not pretended ones.

Heinz

>
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v2.0.17 (MingW32)
> Comment: Using GnuPG with Mozilla - http://www.enigmail.net/
>
> iQEcBAEBAgAGBQJQoUsoAAoJEJrBOlT6nu75n9kIAIS8hdtJHFk5sOPBBcOZ+Htq
> rUOOBxHW3cCjHyAqXgAlazRDLeP2qSGODjy4e54ovKxGbN1QZ5yJhX/iPNpGVUFb
> bypZzYj5wjGBHmhmKD+5UKjBxHdrjOkluNCREdGDDoE9aRIyR+1JPjWEzJJDLvaO
> fnNoiHg3hQi+RgaOj2oHM2eGexYAFAsKI0qswRXbTnAfrcMCfmm2pf49b76zdZ7y
> Z6c+xVl43PhDfZiy/EiWqYkrNtagvin7CNjahW5zptmNdf1H7JAzpuXbf3uZ6g5F
> 9MkDn5BFdJOBwEL/WTi9ZBgbIn4aIf8CwsBrsQ9DC4FFoZ3hnZTW2lT6/2UpHMk=
> =pXpo
> -----END PGP SIGNATURE-----
>
> _______________________________________________
> Ataraid-list mailing list
> Ataraid-list at redhat.com
> https://www.redhat.com/mailman/listinfo/ataraid-list




More information about the Ataraid-list mailing list