Dispositivi
From Porcelinux
HAL DAEMON - UDEV
- periferiche udev connesse
ls -lR /dev/disk
- molte informazioni su sdb
udevinfo -a -p /sys/block/sdb/
Contents |
Ottenere informazione sul disco
hdparm
elwood xunil # hdparm -I /dev/hda
/dev/hda:
ATA device, with non-removable media
Model Number: WDC WD2500JB-00FUA0
Serial Number: WD-WCAEP1091941
Firmware Revision: 15.05R15
Standards:
Supported: 6 5 4
Likely used: 6
Configuration:
Logical max current
cylinders 16383 65535
heads 16 1
sectors/track 63 63
--
CHS current addressable sectors: 4128705
LBA user addressable sectors: 268435455
LBA48 user addressable sectors: 488397168
device size with M = 1024*1024: 238475 MBytes
device size with M = 1000*1000: 250059 MBytes (250 GB)
Capabilities:
LBA, IORDY(can be disabled)
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: 128
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
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* DOWNLOAD_MICROCODE
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
Security:
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
HW reset results:
CBLID- above Vih
Device num = 0 determined by the jumper
Checksum: correct
Nomenclatura Hard Disk
http://forums.storagereview.net/index.php?showtopic=22131 Sample: WD3200JD-00KLB0 Formula: AAbbbbCD-eeFGHi
AA = WesternDigital
bbbb = Capacity in 100MB units (GBx10)
C = Cache(buffer) size and drive's purpose: * Desktop drives: B=2MB, J=8MB, K=16MB * Enterprise drives 7200rpm: S=8MB, Y=16MB * Enterprise drives 10000rpm: G=8MB, A=16MB
D = Interface and some other specs: * B=ATA, D=SATA150, S=SATA300, R=SATA150(RaidEdition2), H=SATA150(Window)
ee = Vendor code (probably): * 00=general consumers, 01=general enterprise, 22=promotional(?), * 07/08/11/14/23/32/40/41/50/55/56/57/58/60/75/88/98=unknown (of them 55 is pretty much used)
F = May be related to platters (needs more research)
G = ??? (needs more research)
H = Related to interface/firmware and something more (needs more research): * A=ATA(Caviar over 100GB)/ATAandSATA(Caviar below 100GB), B=SATA(Caviar over 100GB), C=ATAandSATA(Caviar, newer updates), A/C/R=Generation(RaptorSATA), T=LaptopDrive
i = Firmware version (probably): * 0/1/2=larger is newer (if the preceeding letter is same).
Disktype
disktype /dev/sda --- /dev/hda Block device, size 372.6 GiB (400088457216 bytes) DOS/MBR partition map Partition 1: 372.6 GiB (400085812224 bytes, 781417602 sectors from 63, bootable) Type 0x83 (Linux) ReiserFS file system (new 3.6 format, standard journal, starts at 64 KiB) Volume name "scratch" UUID E217E2D5-0410-479E-B4C7-60116C56761E (DCE, v4) Volume size 372.6 GiB (400085811200 bytes, 97677200 blocks of 4 KiB) [...]
Hddtemp
# hddtemp /dev/sd[abcd] WARNING: Drive /dev/sda doesn't appear in the database of supported drives WARNING: But using a common value, it reports something. WARNING: Note that the temperature shown could be wrong. WARNING: See --help, --debug and --drivebase options. WARNING: And don't forget you can add your drive to hddtemp.db /dev/sda: WDC WD3200KS-00PFB0: 42 C or F
Aggiungere dischi al DB
vi /usr/share/hddtemp/hddtemp.db "ST3320620AS" 194 C "Seagate ST3320620AS" "WDC WD3200KS-00PFB0" 194 C "Western Digital WD3200KS-00PFB0"
- risultato
# hddtemp /dev/sd[abcd] /dev/sda: WDC WD3200KS-00PFB0: 42 C /dev/sdb: ST3750330AS: 36 C /dev/sdc: WDC WD3200KS-00PFB0: 41 C /dev/sdd: ST3750330AS: 41 C
