RE: PDC arrays > 2 TB and non 512 byte dm sector size
Mark-Willem Jansen <[email protected]> Wed, 21 Nov 2012 16:45:49 +0100
| Newsgroups | gmane.linux.ataraid |
|---|---|
| Message-ID | <[email protected]> |
--===============3562891907389968943== Content-Type: multipart/alternative; boundary="_d1e8d2e1-3ea6-4246-9aa3-ce14200969cf_" --_d1e8d2e1-3ea6-4246-9aa3-ce14200969cf_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable > Date: Wed=2C 21 Nov 2012 15:19:29 +0100 > From: [email protected] > To: [email protected] > Subject: Re: PDC arrays > 2 TB and non 512 byte dm sector size >=20 > On 11/12/2012 08:16 PM=2C 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? >=20 > No=2C dm goes by hard sector sizes=2C not pretended ones. Does md support variable sector sizes. That will give me another reason to = finish the super-pdc.c for mdadm. -- Mark-Willem >=20 > Heinz >=20 > > > > -----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=3D > > =3DpXpo > > -----END PGP SIGNATURE----- > > > > _______________________________________________ > > Ataraid-list mailing list > > [email protected] > > https://www.redhat.com/mailman/listinfo/ataraid-list >=20 > _______________________________________________ > Ataraid-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/ataraid-list = --_d1e8d2e1-3ea6-4246-9aa3-ce14200969cf_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 10pt=3B font-family:Tahoma } --></style></head> <body class=3D'hmmessage'><div dir=3D'ltr'> >=3B Date: Wed=2C 21 Nov 2012 15:19:29 +0100<br><div>>=3B From: heinzm@= redhat.com<br>>=3B To: [email protected]<br>>=3B Subject: Re: PDC= arrays >=3B 2 TB and non 512 byte dm sector size<br>>=3B <br>>=3B On= 11/12/2012 08:16 PM=2C Phillip Susi wrote:<br>>=3B >=3B -----BEGIN PGP= SIGNED MESSAGE-----<br>>=3B >=3B Hash: SHA1<br>>=3B >=3B<br>>=3B= >=3B It appears that PDC arrays >=3B 2 TB pretend they have >=3B 512= byte sector<br>>=3B >=3B sizes. I'm trying to figure out how to patch= dmraid to support this<br>>=3B >=3B but I'm not sure how to tell devic= e-mapper to use a different sector<br>>=3B >=3B size. Is this possible= ?<br>>=3B <br>>=3B No=2C dm goes by hard sector sizes=2C not pretended = ones.<br><br>Does md support variable sector sizes. That will give me anoth= er reason to finish the super-pdc.c for mdadm.<br>--<br>Mark-Willem<br>>= =3B <br>>=3B Heinz<br>>=3B <br>>=3B >=3B<br>>=3B >=3B -----BEGI= N PGP SIGNATURE-----<br>>=3B >=3B Version: GnuPG v2.0.17 (MingW32)<br>&= gt=3B >=3B Comment: Using GnuPG with Mozilla - http://www.enigmail.net/<b= r>>=3B >=3B<br>>=3B >=3B iQEcBAEBAgAGBQJQoUsoAAoJEJrBOlT6nu75n9kIAI= S8hdtJHFk5sOPBBcOZ+Htq<br>>=3B >=3B rUOOBxHW3cCjHyAqXgAlazRDLeP2qSGODjy= 4e54ovKxGbN1QZ5yJhX/iPNpGVUFb<br>>=3B >=3B bypZzYj5wjGBHmhmKD+5UKjBxHdr= jOkluNCREdGDDoE9aRIyR+1JPjWEzJJDLvaO<br>>=3B >=3B fnNoiHg3hQi+RgaOj2oHM= 2eGexYAFAsKI0qswRXbTnAfrcMCfmm2pf49b76zdZ7y<br>>=3B >=3B Z6c+xVl43PhDfZ= iy/EiWqYkrNtagvin7CNjahW5zptmNdf1H7JAzpuXbf3uZ6g5F<br>>=3B >=3B 9MkDn5B= FdJOBwEL/WTi9ZBgbIn4aIf8CwsBrsQ9DC4FFoZ3hnZTW2lT6/2UpHMk=3D<br>>=3B >= =3B =3DpXpo<br>>=3B >=3B -----END PGP SIGNATURE-----<br>>=3B >=3B<b= r>>=3B >=3B _______________________________________________<br>>=3B &= gt=3B Ataraid-list mailing list<br>>=3B >=3B [email protected]<br= >>=3B >=3B https://www.redhat.com/mailman/listinfo/ataraid-list<br>>= =3B <br>>=3B _______________________________________________<br>>=3B At= araid-list mailing list<br>>=3B [email protected]<br>>=3B https:/= /www.redhat.com/mailman/listinfo/ataraid-list<br></div> </div></= body> </html>= --_d1e8d2e1-3ea6-4246-9aa3-ce14200969cf_-- --===============3562891907389968943== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Ataraid-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/ataraid-list --===============3562891907389968943==--