aacraid write through cache into write back cache

Samuel Díaz García samueldg at arcoscom.com
Mon Jan 9 17:58:00 UTC 2006


Any help???

Samuel Díaz García escribió:

> Do you know how to resize the swap partition (tools that allow me to do 
> that task)?
> 
> And in theory, why must I force the swap to be the same as physical RAM? 
> (not only to solve this problem).
> 
> Thanks
> 
> Franck Y escribió:
> 
>> Samue,
>> You getting too much swap you should only have 512 Mb
>> On 1/1/06, Samuel Díaz García <samueldg at arcoscom.com> wrote:
>>
>>> Franck, thanks again.
>>>
>>> I have 512MB of RAM and a 4GB of swap.
>>>
>>> ¿Is that the problem?
>>> ¿How can I solve that exactly?
>>>
>>> Sorry for my inexperence.
>>>
>>> Regards (and happy new year to all, I forgot in previous e-mail)
>>>
>>> [root at fraile ~]# free
>>>             total       used       free     shared    buffers     cached
>>> Mem:        515472     498376      17096          0      25200     
>>> 285504
>>> -/+ buffers/cache:     187672     327800
>>> Swap:      4192956        720    4192236
>>> [root at fraile ~]#
>>>
>>> Franck Y escribió:
>>>
>>>
>>>> Hi,
>>>> You should check what is the size of the swap partition.
>>>> Let's suppose ypu have a 1 Go of ram, your should have a swap 
>>>> partition of 1 Go.
>>>>
>>>> Franck
>>>>
>>>> On 1/1/06, Samuel Díaz García <samueldg at arcoscom.com> wrote:
>>>>
>>>>
>>>>> 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
>>>>>
>>>>> -- 
>>>>> 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
>>>
>>> -- 
>>> 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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