[CentOS] Re: hda: no DRQ after issuing WRITE

Scott Silva ssilva at sgvwater.com
Fri Nov 21 21:52:05 UTC 2008

on 11-21-2008 4:41 AM Matt spake the following:
> I upgraded my Centos 4.7 server last night.  Switched from a cheaper
> 50$ asus motherboard to a Supermicro motherboard.  I also, using dd,
> copied entire 500g SATA seagate drive to new 500g SATA seagate drive
> so as to have two copies in case something went wrong.
> Anyway, now I keep getting this error:
> Nov 21 06:08:33 server kernel: hda: status timeout: status=0xd0 { Busy }
> Nov 21 06:08:33 server kernel:
> Nov 21 06:08:33 server kernel: ide: failed opcode was: unknown
> Nov 21 06:08:33 server kernel: hda: no DRQ after issuing WRITE
> Nov 21 06:08:34 server kernel: ide0: reset: success
> Found one website that told me too try hdparm -i to see whats up:
> /dev/hda:
>  Model=ST3500320AS, FwRev=SD15, SerialNo=
>  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
>  BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=off
>  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
>  UDMA modes: udma0 udma1 udma2
>  AdvancedPM=no WriteCache=enabled
>  Drive conforms to: unknown:
>  * signifies the current active mode
> So from recommendation on website I did this to match MaxMultiSect:
> hdparm -m16 /dev/hda
> then tried this to turn MultSect off:
> hdparm -m0 /dev/hda
> Still getting error.  The Supermicro MBD-X7SBL-LN1-O motherboard has
> basically all defaults set in bios.
> Any ideas?  Thanks.
> Matt
If the drives were different in size, dd could have truncated something. It
isn't always the best tool to use. Maybe try again with a different tool.

Also the fact that the drive is showing up as /dev/hda instead of /dev/sda
means that you are not using the best driver for the hard drive. Go into the
bios and try either native mode to serial ATA or SATA AHCI enable.
You might need to rebuild the initrd from a rescue disk after you boot.

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