aacraid write through cache into write back cache

Samuel Díaz García samueldg at arcoscom.com
Sun Jan 1 19:57:45 UTC 2006


Could you explain a bit more?
I'm not an experienced user.

Regards

Franck Y escribió:

> 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
>>Arcos de la Frontera
>>11630 - Cadiz
>>
>>http://www.arcoscom.com
>>
>>mailto:samueldg at arcoscom.com
>>msn: samueldg at arcoscom.com
>>
>>Móvil: 651 93 72 48
>>Tlfn.: 956 70 13 15
>>Fax:   956 70 34 83
>>
>>--
>>fedora-list mailing list
>>fedora-list at redhat.com
>>To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
>>
> 
> 
> 
> --
> Franck
> 

-- 
    Samuel Díaz García
     Director Gerente
ArcosCom Wireless, S.L.L.

CIF: B11828068
c/ Romero Gago, 19
Arcos de la Frontera
11630 - Cadiz

http://www.arcoscom.com

mailto:samueldg at arcoscom.com
msn: samueldg at arcoscom.com

Móvil: 651 93 72 48
Tlfn.: 956 70 13 15
Fax:   956 70 34 83




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