Disk error?

Andrej T. andrej at nomadoblak.com
Sun Feb 22 12:17:02 CET 2004


Pozdrav,

Imam dva nova enaka diska v RAID 1 (hda,hdc) polju in na zadnje sem 
dobil tole sporocilo v "dmesg" :

hda: dma_timer_expiry: dma status == 0x20
hda: timeout waiting for DMA
hda: timeout waiting for DMA
hda: (__ide_dma_test_irq) called while not waiting
blk: queue c02e7640, I/O limit 4095Mb (mask 0xffffffff)

Na googlu sem prebral, da je to povezano z DMA, sedaj pa ne vem ali je 
problem v kernelu ali v disku. Kaj pravite vi?

[root at www root]# hdparm -i /dev/hda /dev/hdc

/dev/hda:

  Model=Maxtor 6Y160P0, FwRev=YAR41BW0, SerialNo=Y43J3Z4E
  Config={ Fixed }
  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
  BuffType=DualPortCache, BuffSize=7936kB, MaxMultSect=16, MultSect=16
  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
  IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
  PIO modes: pio0 pio1 pio2 pio3 pio4
  DMA modes: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 udma6
  AdvancedPM=yes: disabled (255) WriteCache=enabled
  Drive Supports : ataATA-1 ATA-2 ATA-3 ATA-4 ATA-5 ATA-6 ATA-7

/dev/hdc:

  Model=Maxtor 6Y160P0, FwRev=YAR41BW0, SerialNo=Y43J3YQE
  Config={ Fixed }
  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
  BuffType=DualPortCache, BuffSize=7936kB, MaxMultSect=16, MultSect=16
  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
  IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
  PIO modes: pio0 pio1 pio2 pio3 pio4
  DMA modes: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 udma6
  AdvancedPM=yes: disabled (255) WriteCache=enabled
  Drive Supports : ataATA-1 ATA-2 ATA-3 ATA-4 ATA-5 ATA-6 ATA-7


[root at www root]# hdparm /dev/hda /dev/hdc

/dev/hda:
  multcount    = 16 (on)
  I/O support  =  0 (default 16-bit)
  unmaskirq    =  0 (off)
  using_dma    =  1 (on)
  keepsettings =  0 (off)
  nowerr       =  0 (off)
  readonly     =  0 (off)
  readahead    =  8 (on)
  geometry     = 19929/255/63, sectors = 320173056, start = 0
  busstate     =  1 (on)

/dev/hdc:
  multcount    = 16 (on)
  I/O support  =  0 (default 16-bit)
  unmaskirq    =  0 (off)
  using_dma    =  1 (on)
  keepsettings =  0 (off)
  nowerr       =  0 (off)
  readonly     =  0 (off)
  readahead    =  8 (on)
  geometry     = 19929/255/63, sectors = 320173056, start = 0
  busstate     =  1 (on)


RH linux 7.3, kernel 2.4.24, Pentium IV 3 Ghz, 1 GB RAM.

Ze vnaprej hvala za pomoc in lep pozdrav,

	Andrej.



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