Daniel Pocock wrote: > On 07/05/12 20:10, Martin Mokrejs wrote: >> Hi Daniel, >> >> Daniel Pocock wrote: >> >>> >>> Hi, >>> >>> I'm testing a problem with the following combination: >>> - SB700/SB800 type controller in AHCI mode (in a HP Microserver N36L) >>> - Seagate Barracuda 1TB 7k2 drive with NCQ >>> >> Is that a disk with 4k hardware sectors (Advanced Format)? Where does >> you partition start? At sector 63 or 2048? ;-) >> >> > At 2048: So you you safe if it would be 4k sector drive. > > Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes > 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors > Units = sectors of 1 * 512 = 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x484d5754 > > Device Boot Start End Blocks Id System > /dev/sdb1 * 2048 499711 248832 83 Linux > Partition 1 does not end on cylinder boundary. > /dev/sdb2 499712 1953523711 976512000 fd Linux raid > autodetect I caught myself: # lsscsi [0:0:0:0] disk ATA ST380815AS 3.AA /dev/sda [1:0:0:0] disk ATA WDC WD2502ABYS-0 02.0 /dev/sdb [2:0:0:0] disk ATA WDC WD1000FYPS-0 02.0 /dev/sdc [3:0:0:0] disk ATA WDC WD1000FYPS-0 02.0 /dev/sdd [4:0:0:0] disk ATA WDC WD1000FYPS-0 02.0 /dev/sde [5:0:0:0] disk ATA WDC WD1000FYPS-0 02.0 /dev/sdf # fdisk /dev/sdc Command (m for help): p Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe997c4dd Device Boot Start End Blocks Id System /dev/sdc1 63 1953520064 976760001 fd Linux raid autodetect Command (m for help): q # smartctl -a /dev/sdc smartctl 5.42 2011-10-20 r3458 [x86_64-linux-3.3.2-default] (local build) Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Model Family: Western Digital RE2-GP Device Model: WDC WD1000FYPS-01ZKB0 Serial Number: WD-WCASJ1253793 LU WWN Device Id: 5 0014ee 256812a2d Firmware Version: 02.01B01 User Capacity: 1,000,204,886,016 bytes [1.00 TB] Sector Size: 512 bytes logical/physical Device is: In smartctl database [for details use: -P show] ATA Version is: 8 ATA Standard is: Exact ATA specification draft version not indicated Local Time is: Mon May 7 20:21:35 2012 MEST SMART support is: Available - device has SMART capability. SMART support is: Enabled [cut] Do you have same model? My disk catch up at 3Gbps: ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata3.00: ATA-8: WDC WD1000FYPS-01ZKB0, 02.01B01, max UDMA/133 ata3.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA ata3.00: configured for UDMA/133 scsi 2:0:0:0: Direct-Access ATA WDC WD1000FYPS-0 02.0 PQ: 0 ANSI: 5 sd 2:0:0:0: [sdc] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB) sd 2:0:0:0: Attached scsi generic sg2 type 0 sd 2:0:0:0: [sdc] Write Protect is off sd 2:0:0:0: [sdc] Mode Sense: 00 3a 00 00 sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sdc: sdc1 sd 2:0:0:0: [sdc] Attached SCSI disk Martin -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html