aacraid write through cache into write back cache

[Franck Y]

Hi,
Happy new year!
You should check with your swap.
I nearly got the same, but my cpu is a P3 500....
And the system is not slow at all....
Franck

On 1/1/06, Samuel Díaz García <samueldg at arcoscom.com> wrote:
> Any kernel parameter or module parameters?
> Any idea in how to solve the problem?
>
> Samuel Díaz García escribió:
>
> > I have an Adaptec 2410SA raid controller with RAID 1 configured on it.
> > The system is an AMD ATHLON 1800 CPU. With FC4 updated distro.
> >
> > The system is working fine, but TOOOOOOOOOOOOO SLOOOOOWWWWWWWWWW.
> >
> > Taking a view into startup messages I can see:
> >
> > sda: got wrong page
> > sda: assuming drive cache: write through
> >
> > In dmesg:
> >
> > ...
> > AAC0: kernel 4.1-0[5934]
> > AAC0: monitor 4.1-0[5934]
> > AAC0: bios 4.1-0[5934]
> > AAC0: serial bab115
> > scsi0 : aacraid
> >   Vendor: ADAPTEC   Model: UNO               Rev: V1.0
> >   Type:   Direct-Access                      ANSI SCSI revision: 02
> > SCSI device sda: 156247808 512-byte hdwr sectors (79999 MB)
> > sda: Write Protect is off
> > sda: Mode Sense: 03 00 00 00
> > sda: got wrong page
> > sda: assuming drive cache: write through
> > SCSI device sda: 156247808 512-byte hdwr sectors (79999 MB)
> > sda: Write Protect is off
> > sda: Mode Sense: 03 00 00 00
> > sda: got wrong page
> > sda: assuming drive cache: write through
> >  sda: sda1 sda2 sda3
> > Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
> > ...
> >
> > I think changing write through into write back cache will solve the
> > problem.
> >
> > The controller utility was used to configure all caches in the drivers.
> >
> > Any help about this topic?
> >
> > Thanks
> >
>
> --
>     Samuel Díaz García
>      Director Gerente
> ArcosCom Wireless, S.L.L.
>
> CIF: B11828068
> c/ Romero Gago, 19
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> 11630 - Cadiz
>
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>
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>
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--
Franck