[ldoms-discuss] Recommended Mount options for filesystems with files used as boot disks

[Bernd Schemmer]

Hi,

 >>I would do just the opposite. Allow the service domain to cache the 
files, especially since an update to a file might be
 >>followed with another one,

And use directio in the Guest Domain? Enabling caching in the Control 
Domain and in the Guest Domains is not that useful I think.

regards

Bernd


Steffen Weiberle wrote:
> Bernd Schemmer wrote:
>> What are the recommended mount options for filesystems with the image 
>> files for the (boot) disks of the guest LDOMS in the control LDOM?
>>
>> Currently we use forcedirectio,noatime,nologging - are these okay 
>> and/or are there other recommended options to improve the performance?
>
> I would do just the opposite. Allow the service domain to cache the 
> files, especially since an update to a file might be followed with 
> another one, and insure that if the service domain reboots, it reboots 
> as fast as possible and is not forced to possibly do a lengthly fsck.
>
> Steffen
>
>> How about using VxVM volumes for these filesystems - anything to 
>> consider here?
>>
>> I could not find anything about this issue in the documentation.
>>
>> regards
>>
>> Bernd
>> -- 
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>


-- 
Bernd Schemmer, Frankfurt am Main, Germany
http://home.arcor.de/bnsmb/index.html

M s temprano que tarde el mundo cambiar .
                        Fidel Castro