On Sat, Feb 14, 2009 at 07:17:35PM -0500, Mark Lord wrote:
> >>> [root@heth hdparm-9.10]# ./hdparm -B 254 /dev/sdb
> ..
> > ioctl(3, SG_IO, {'S', SG_DXFER_NONE, cmd[12]=[a1, 06, 20, 05, fd,
> > 00, 00, 00, 40, ef, 00, 00], mx_sb_len=32, iovec_count=0,
> > dxfer_len=0, timeout=5000, flags=0, status=02, masked_status=01,
> > sb[22]=[72, 0b, 00, 00, 00, 00, 00, 0e, 09, 0c, 00, 04, 00, fd, 00,
> > 00, 00, 00, 00, 00, 40, 51], host_status=0, driver_status=0x8,
> > resid=0, duration=1, info=0x1}) = 0
> >
> >Does that mean the drive doesn't support SET_FEATURES/{05,85} (weird)?
> ..
>
> The -I (IDENTIFY) flag will tell whether the drive supports Advanced Power
> Management, so try that.
>
> Also, not all drives like 254. To turn it off, use -B 255 instead.
-B 255 gives the same thing. -I gives:
/dev/sdb:
ATA device, with non-removable media
Model Number: WDC WD10EACS-00C7B0
Serial Number: WD-WCASJ2076861
Firmware Revision: 01.01B01
Transport: Serial, SATA 1.0a, SATA II Extensions, SATA Rev 2.5
Standards:
Supported: 8 7 6 5
Likely used: 8
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 268435455
LBA48 user addressable sectors: 1953525168
device size with M = 1024*1024: 953869 MBytes
device size with M = 1000*1000: 1000204 MBytes (1000 GB)
cache/buffer size = 16384 KBytes
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 32
Standby timer values: spec'd by Standard, with device specific minimum
R/W multiple sector transfer: Max = 16 Current = 0
Recommended acoustic management value: 128, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* NOP cmd
* DOWNLOAD_MICROCODE
Power-Up In Standby feature set
* SET_FEATURES required to spinup after power up
SET_MAX security extension
Automatic Acoustic Management feature set
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
* General Purpose Logging feature set
* WRITE_{DMA|MULTIPLE}_FUA_EXT
* 64-bit World wide name
* WRITE_UNCORRECTABLE_EXT command
* {READ,WRITE}_DMA_EXT_GPL commands
* Segmented DOWNLOAD_MICROCODE
* SATA-I signaling speed (1.5Gb/s)
* SATA-II signaling speed (3.0Gb/s)
* Native Command Queueing (NCQ)
* Phy event counters
DMA Setup Auto-Activate optimization
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT Long Sector Access (AC1)
* SCT LBA Segment Access (AC2)
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
unknown 206[12] (vendor specific)
unknown 206[13] (vendor specific)
Security:
Master password revision code = 65534
supported
not enabled
not locked
not frozen
not expired: security count
supported: enhanced erase
276min for SECURITY ERASE UNIT. 276min for ENHANCED SECURITY ERASE UNIT.
Logical Unit WWN Device Identifier: 50014ee2576dc3c6
NAA : 5
IEEE OUI : 0014ee
Unique ID : 2576dc3c6
Checksum: correct
cheers,
Lennert
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