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On Wed, Mar 25, 2009 at 3:20 AM, Roger Dong <[email protected]> wrote: > +1 > It is important to support the new disk which is on the way to the market. > > Thanks, > Roger > > Larry Liu 写道: >> >> I would like to propose a new OpenSolaris project called multiple disk >> sector size support. This project is to enable Solaris to support disks with >> variable sector size in powers of 2 starting at 512 bytes and upto 4096 >> bytes, i.e: 1 KByte, 2KB or 4KB. >> The disk drive industry recognizes the need for a larger sector to >> maintain data integrity as areal density increases in future drives. >> Progressively more error correction code bytes are required at these higher >> areal densities which would increase overhead and reduce efficiency if the >> industry remained 512 byte sectors. A new sector standard for magnetic hard >> disk drives, 4096 bytes, has been proposed replacing the previous 512 byte >> sector length. IDEMA and its members including Seagate, Maxtor, Hitachi GST, >> and Fujitsu have advocated for a new industry standard for large-block >> sectors. And the 4096 bytes sector HDD will be released soon. >> >> This project is going to deliver large sector support into OpenSolaris >> with two phases >> >> Phase 1 >> Support both VTOC and EFI labels; Support both raw and block disk IO; >> Support ZFS on non-root disk; >> Support XEN and LDOM on non-root disk >> >> Phase 2 >> Boot support on large sector size disks. >> Installer support on large sector size disks >> >> I'd like to request endorsement by the Storage Developer community. >> >> Project leaders: >> >> Larry Liu >> Nikko He >> Bo Zhou >> Holly Vergara >> Grant Zhang >> >> >> _______________________________________________ >> storage-discuss mailing list >> [email protected] >> http://mail.opensolaris.org/mailman/listinfo/storage-discuss >> > > _______________________________________________ > storage-discuss mailing list > [email protected] > http://mail.opensolaris.org/mailman/listinfo/storage-discuss > _______________________________________________ storage-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/storage-discuss
