geometria dysku

Autor: Piotr Janik (pietlek_at_polska.irc.pl)
Data: Tue 30 Dec 2003 - 11:21:01 MET


cze,
do rzeczy:

Dysk Seagate 80GB
na dysku (obudowa) CHS=16383/16/63
w biosie(auto) CHS=38309/16/255
w linuxie ( dmesg )

hda: ST380021A, ATA DISK drive
hdb: Maxtor 4D040H2, ATA DISK drive
hda: max request size: 128KiB
hda: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
hdb: max request size: 128KiB
hdb: 80043264 sectors (40982 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)

nie wiem czemu te dwa dyski maja takie same chs.

jaki problem: ano niby sa partycje widoczne, ale sa bledy podczas
kopiowania plikow. Stalo sie to po tym jak przenosilem na tym dysku dane
do innego komputera a pozniej z ciekawosci zainstalowalem pqmagic8 on cos
wykryl a ja dalem FIX.
Teraz dla przykladu linux widzi jakis katalog jako plik!

ponizej daje wycinki z kilku uzytecznycnh programow:

hdparm -I
ATA device, with non-removable media
        Model Number: ST380021A
        Serial Number: 3HV1CXGA
        Firmware Revision: 3.19
Standards:
        Supported: 5 4 3 2
        Likely used: 6
Configuration:
        Logical max current
        cylinders 16383 4047
        heads 16 16
        sectors/track 63 255
        --
        CHS current addressable sectors: 16511760
        LBA user addressable sectors: 156301488
        device size with M = 1024*1024: 76319 MBytes
        device size with M = 1000*1000: 80026 MBytes (80 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        bytes avail on r/w long: 4 Queue depth: 1
        Standby timer values: spec'd by Standard
        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=240ns IORDY flow control=120ns

cfdisk
                            Disk Drive: /dev/hda
                        Size: 80026361856 bytes, 80.0 GB
             Heads: 16 Sectors per Track: 63 Cylinders: 155061
                                                                                
    Name Flags Part Type FS Type [Label] Size (MB)
 ------------------------------------------------------------------------------
    hda1 Primary Linux ext2 16.00
    hda2 Primary Linux 200.25
    hda3 Boot Primary Linux ReiserFS 9999.88
    hda5 Logical Linux ReiserFS 3000.07
    hda6 Logical Linux 3000.07
    hda7 Logical W95 FAT32 63810.11
parted
Using /dev/hda
Information: The operating system thinks the geometry on /dev/hda is
155061/16/63. Therefore, cylinder 1024 ends at 503.999M.

gpart wyszukuje rozne partycje w zaleznosci jakie podam parametry chs

Bardzo prosze o pomoc, mam tam wazne dane.



To archiwum zostało wygenerowane przez hypermail 2.1.7 : Wed 19 May 2004 - 12:01:31 MET DST