Re: Linux 2.6.29

Jeff Garzik
2009-04-03T20:05:54Z

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Linus Torvalds wrote:
> I didn't realize that Jeff had a non-Intel SSD.
> THAT sure explains the huge drop-off. I do see Intel SSD's fluctuating
> too, but the Intel ones tend to be _fairly_ stable.

Yeah, it's a no-name SSD.

I've attached 'hdparm -I' in case anyone is curious. It's from
newegg.com, so nothing NDA'd or sekrit.

Jeff

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/dev/sdb:

ATA device, with non-removable media
Model Number: G.SKILL 128GB SSD
Serial Number: MK0108480A545003B
Firmware Revision: 02.10104
Standards:
Used: ATA/ATAPI-7 T13 1532D revision 4a
Supported: 8 7 6 5 & some of 8
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 250445824
device size with M = 1024*1024: 122288 MBytes
device size with M = 1000*1000: 128228 MBytes (128 GB)
Capabilities:
LBA, IORDY(can be disabled)
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 1 Current = ?
Recommended acoustic management value: 128, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
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
* Power Management feature set
Write cache
Look-ahead
* Mandatory FLUSH_CACHE
* SATA-I signaling speed (1.5Gb/s)
* SATA-II signaling speed (3.0Gb/s)
* Host-initiated interface power management
* Phy event counters
Checksum: correct