Messages in this thread | | | Date | Sat, 26 Jun 2004 21:44:26 -0400 | From | "Fao, Sean" <> | Subject | Re: Elastic Quota File System (EQFS) |
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Stephen Wille Padnos wrote:
> Fao, Sean wrote: > >> Amit Gud wrote: >> >>> Fao, Sean wrote: >>> >>>> Amit Gud wrote: >>>> >>>>> It cannot be denied that there _are_ applications for such a >>>>> system that we already discussed and theres a class of users who >>>>> will find the system useful. >>>> >>>> >>>> I personally see no use whatsoever. Why not just allocate 100% of >>>> the file system to everybody and ignore quota's, entirely? Each >>>> user will use whatever he/she requires and when space starts to run >>>> out, users will manually clean up what they don't need. >>> >>> >>> We should get our basics right first. We _do_ need quotas!! Without >>> any quota system how are we going to avoid a malicious user from >>> taking away all the space to keep other people starving? In EQFS >>> also this can happen, but we are giving *controlled flexibility* to >>> the user. He is having some stretching power but not beyond a >>> certain limit. And do you think users are sincere enough to clean up >>> there files when they are done? >> >> >> And I suppose you think that users will be sincere enough to mark >> files as elastic? I, for one, already said that I absolutely would >> *not* mark a single file as elastic. If I'm using 110 MB and you >> need an additional 10 MB for storage, you won't be getting it from me >> because I don't want to come in some morning to find that a file has >> disappeared. >> >> The system that you're asking for is a system without quotas. Think >> about what you're saying. > > > I think you missed one of the main points - you don't get any extra > space until you mark some of your files as elastic. > You're right - under this system, nobody would get any space from > deletion of your files because you would use the system as a normal > hard quota system - you would mark no files as elastic, and would > therefore be limited to your quota (in the example you gave, you would > not be using 110M, because your quota would have limited you to > 100M). If you were so kind as to mark something as elastic (say, that > recently doneloaded install tarball of the Gimp), then you would > remove the storage taken by those files from your quota usage and > would have more space available, with the risk that the elastic files > might not stick around.
You're right; I did missunderstand one of the main points. I was under the impression that I could take whatever I needed, as long as it were available. This does change my view on the subject, somewhat.
Thanks for clearing that up,
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