[mythtv-users] Spin down drives

[Josu Lazkano]

2011/5/12 Mark Lord <mythtv at rtr.ca>:
>
> hdparm is still the software on Linux for stuff like this.
>
> But.. if that 2TB drive is a WD "Green" drive,
> then it might ignore the spindown commands.
> Gotta love WD.  :)
>

Hello, this is the disk info:

# hdparm -I /dev/sdb

/dev/sdb:

ATA device, with non-removable media
	Model Number:       WDC WD20EARS-00MVWB0
	Serial Number:      WD-WMAZA2489779
	Firmware Revision:  51.0AB51
	Transport:          Serial, SATA 1.0a, SATA II Extensions, SATA Rev
2.5, SATA Rev 2.6
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: 3907029168
	Logical/Physical Sector size:           512 bytes
	device size with M = 1024*1024:     1907729 MBytes
	device size with M = 1000*1000:     2000398 MBytes (2000 GB)
	cache/buffer size  = unknown
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 = 16
	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
	   *	64-bit World wide name
	   *	WRITE_UNCORRECTABLE_EXT command
	   *	{READ,WRITE}_DMA_EXT_GPL commands
	   *	Segmented DOWNLOAD_MICROCODE
	   *	Gen1 signaling speed (1.5Gb/s)
	   *	Gen2 signaling speed (3.0Gb/s)
	   *	Native Command Queueing (NCQ)
	   *	Host-initiated interface power management
	   *	Phy event counters
	   *	NCQ priority information
	    	DMA Setup Auto-Activate optimization
	   *	Software settings preservation
	   *	SMART Command Transport (SCT) feature set
	   *	SCT LBA Segment Access (AC2)
	   *	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
		frozen
	not	expired: security count
		supported: enhanced erase
	384min for SECURITY ERASE UNIT. 384min for ENHANCED SECURITY ERASE UNIT.
Logical Unit WWN Device Identifier: 50014ee600a5b8fa
	NAA		: 5
	IEEE OUI	: 0014ee
	Unique ID	: 600a5b8fa
Checksum: correct

On supported features, there is the "Power Management feature set", so
it will work.

But i don't know which config use on it.

Can you help configuring it.

Thanks and best regards.

-- 
Josu Lazkano