[nflug] NFS noac option

[Darin Perusich]

if you're using automount then you shouldn't need soft mounts, you 
should be able to force unmount if your nfs server goes down.

Justin Bennett wrote:
> Ok, I'm not sure, It's one of those things it may have been an issue 3 
> years ago, not sure why I have it. I know at one point I switched to 
> soft mounts, to help unmount the shares in the even of a UPS triggered 
> shutdown.
> 
> Justin Bennett
> Network Administrator
> Dynabrade, Inc.
> 8989 Sheridan Dr.
> Clarence, NY 14031
> 
> 
> 
> 
> Darin Perusich wrote:
>> i would recommend that you turn off noac, is there a reason that you 
>> are using it? seeing that it is not a default option unless you truly 
>> need it i'd turn it off.
>>
>> there is generally no reason to use anything other then the default 
>> nfs mount options. the defaults are the optimal options.
>>
>> Justin Bennett wrote:
>>> For all you NFS junkies out there,
>>>
>>>   I've got a Redhat V 3ES NFS server and several Redhat 2.1ES 
>>> clients. I've got NIS and Automounter mounting NFS shares on one of 
>>> the 2.1 boxes which then acts as a samba server to the PC's. I've got 
>>> the auto.x files mounting the shares with a 'noac' option. I've 
>>> noticed this slows my write times down to a crawl. a 38MB files takes 
>>> 2 minutes to write with the 'noac' option, and 6 seconds without it. 
>>> Do I really need to use the 'noac' option? I really only have one 
>>> active client (the samba server) the other clients do a backup of the 
>>> NFS box once a night, and our database does an export there nightly. 
>>> Would I cause myself greif by getting rid of the 'noac' option? what 
>>> it I just set 'actimeo=3' or something like that?
>>>
>>> Thanks
>>> Justin
>>>
>>>
>>
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-- 
Darin Perusich
Unix Systems Administrator
Cognigen Corporation
395 Youngs Rd.
Williamsville, NY 14221
darinper at cognigencorp.com
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