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On Tue, Feb 9, 2010 at 4:31 PM, Iain Buchanan <iaindb@××××××××××××.au> wrote: |
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> On Tue, 2010-02-09 at 14:54 -0800, Mark Knecht wrote: |
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>> On Tue, Feb 9, 2010 at 1:13 PM, Frank Steinmetzger <Warp_7@×××.de> wrote: |
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> |
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> |
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>> > When I use parted on the drives, it says (both the old external and my 2 |
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>> > months old internal): |
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>> > Sector size (logical/physical): 512B/512B |
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>> > So no speedup for me then. :-/ |
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> |
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> so does mine :) |
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> |
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>> Frank, |
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>> As best I can tell so far none of the Linux tools will tell you |
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>> that the sectors are 4K. I had to go to the WD web site and find the |
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>> actual drive specs to discover that was true. |
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> |
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> however if you use dmesg: |
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> $ dmesg | grep ata |
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> ata1: SATA max UDMA/133 irq_stat 0x00400040, connection status changed |
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> irq 17 |
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> ata2: DUMMY |
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> ata3: SATA max UDMA/133 abar m2048@0xf6ffb800 port 0xf6ffba00 irq 17 |
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> ioatdma: Intel(R) QuickData Technology Driver 4.00 |
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> ata3: SATA link down (SStatus 0 SControl 300) |
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> ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) |
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> ata1.00: ATA-7: ST9160823ASG, 3.ADD, max UDMA/133 |
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> ata1.00: 312581808 sectors, multi 8: LBA48 NCQ (depth 31/32) |
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> ... |
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> |
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> you can look up your drive model number (in my case ST9160823ASG) and |
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> find out the details. (That's a Seagate Momentus 160Gb with actual 512 |
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> byte sectors). |
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> |
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> saves having to open up your laptop / pc if you didn't order the drive |
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> separately or you've forgotten. |
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> -- |
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> Iain Buchanan <iaindb at netspace dot net dot au> |
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> |
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> polygon: |
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> Dead parrot. |
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> |
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> |
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> |
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|
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Consider as an alternative "hdparm dash capital eye". Note that is the |
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1TB drive and it still suggests 512B Logical/Physical sector size so |
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I'd still have to go find out for sure but there's lots of easily |
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readable info there to make it reasonably easy. |
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|
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- Mark |
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|
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|
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gandalf ~ # hdparm -I /dev/sda |
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|
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/dev/sda: |
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|
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ATA device, with non-removable media |
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Model Number: WDC WD10EARS-00Y5B1 |
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Serial Number: WD-WCAV55464493 |
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Firmware Revision: 80.00A80 |
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Transport: Serial, SATA 1.0a, SATA II Extensions, SATA Rev |
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2.5, SATA Rev 2.6 |
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Standards: |
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Supported: 8 7 6 5 |
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Likely used: 8 |
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Configuration: |
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Logical max current |
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cylinders 16383 16383 |
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heads 16 16 |
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sectors/track 63 63 |
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-- |
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CHS current addressable sectors: 16514064 |
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LBA user addressable sectors: 268435455 |
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LBA48 user addressable sectors: 1953525168 |
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Logical/Physical Sector size: 512 bytes |
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device size with M = 1024*1024: 953869 MBytes |
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device size with M = 1000*1000: 1000204 MBytes (1000 GB) |
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cache/buffer size = unknown |
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Capabilities: |
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LBA, IORDY(can be disabled) |
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Queue depth: 32 |
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Standby timer values: spec'd by Standard, with device specific minimum |
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R/W multiple sector transfer: Max = 16 Current = 16 |
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Recommended acoustic management value: 128, current value: 128 |
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DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 |
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Cycle time: min=120ns recommended=120ns |
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PIO: pio0 pio1 pio2 pio3 pio4 |
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Cycle time: no flow control=120ns IORDY flow control=120ns |
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Commands/features: |
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Enabled Supported: |
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* SMART feature set |
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Security Mode feature set |
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* Power Management feature set |
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* Write cache |
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* Look-ahead |
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* Host Protected Area feature set |
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* WRITE_BUFFER command |
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* READ_BUFFER command |
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* NOP cmd |
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* DOWNLOAD_MICROCODE |
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Power-Up In Standby feature set |
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* SET_FEATURES required to spinup after power up |
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SET_MAX security extension |
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* Automatic Acoustic Management feature set |
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* 48-bit Address feature set |
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* Device Configuration Overlay feature set |
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* Mandatory FLUSH_CACHE |
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* FLUSH_CACHE_EXT |
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* SMART error logging |
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* SMART self-test |
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* General Purpose Logging feature set |
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* 64-bit World wide name |
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* {READ,WRITE}_DMA_EXT_GPL commands |
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* Segmented DOWNLOAD_MICROCODE |
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* Gen1 signaling speed (1.5Gb/s) |
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* Gen2 signaling speed (3.0Gb/s) |
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* Native Command Queueing (NCQ) |
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* Host-initiated interface power management |
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* Phy event counters |
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* NCQ priority information |
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* DMA Setup Auto-Activate optimization |
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* Software settings preservation |
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* SMART Command Transport (SCT) feature set |
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* SCT Features Control (AC4) |
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* SCT Data Tables (AC5) |
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unknown 206[12] (vendor specific) |
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unknown 206[13] (vendor specific) |
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Security: |
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Master password revision code = 65534 |
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supported |
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not enabled |
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not locked |
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frozen |
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not expired: security count |
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supported: enhanced erase |
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200min for SECURITY ERASE UNIT. 200min for ENHANCED SECURITY ERASE UNIT. |
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Logical Unit WWN Device Identifier: 50014ee2ae6b5ffe |
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NAA : 5 |
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IEEE OUI : 0014ee |
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Unique ID : 2ae6b5ffe |
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Checksum: correct |
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gandalf ~ # |
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