Re: Disk Quotas

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On Sun, 2004-07-11 at 18:31, Robert Locke wrote:
> On Sun, 2004-07-11 at 19:13, Kostas Sfakiotakis wrote:
> > Robert Locke wrote:
> > > On Sat, 2004-07-10 at 07:56, Kostas Sfakiotakis wrote:
> > > 
> > >>I have a couple of questions regarding Disk Quotas .
> > >>
> > >>The First Question is , what is really happening when
> > >>During the boot proccess the message "Enabling File System Quotas"
> > >>is printed ?
> > > 
> > > 
> > > if [ -x /sbin/quotaon ]; then
> > >     action $"Enabling local filesystem quotas: " /sbin/quotaon -aug
> > > fi
> > 
> > If i understand this well when the condition -x /sbin/quotaon is 
> > satisfied ( when really ?)  it tries to execute the /sbin/quotaon -aug 
> > command
> 
> Testing that the file /sbin/quotaon exists, then execute the command....
> 

Kostas,
this is part of the rc.sysinit script.
and it says "if the file exists, then execute it"

> > 
> > > 
> > >>Because in a Fedora Core 1 full installation , the only thing that is
> > >>not happening is Enabling File system Quotas . That is repquota on any
> > >>File system that i have will report , that Quotas are off ? So what is 
> > >>really going on there ?
> > > 
> > > 
> > > It is turning on quotas on filesystems where quotas are enabled....
> > 
> > Well that means exactly NOWHERE !!! UNLESS the superuser has
> > 
> > a) modified the /etc/fstab
> > b) placed proper files ( aquota.user for users , aquota.group for
> > group quotas )
> 
> Take another look at the procedure below....  The "quotacheck" command
> with a -c option, will create the aquota files....  Take a look at "man
> quotacheck" for more details....
> 
> And yes, unless the whole procedure has been followed, there is no quota
> limiting....
> 
> > 
> > > 
> > > 
> > >>The Second Question would be who can someone create the
> > >>aquota.user and aquota.group files for the very first time ?
> > >>
> > >>#requota -c  will create the aquota.user file regardless if such
> > >>a file previously existed , is corrupted or whatever happens to it.
> > >>
> > >>Finally the last question is how can someone enable file system
> > >>Quotas on the root file system  ?
> > >>
> > >>Am using Fedora Core 1 with kernel 2.4.26
> > > 
> > > 
> > > Let's recap, step-by-step:
> > > 
> > > 1) vi /etc/fstab
> > >    Modify the "filesystem" options to include either "usrquota" or
> > > "grpquota" (usually has defaults).
> > > 2) mount -o remount "filesystem"
> > Am a little bit scared on running this command for the root
> > filesystem .
> 
> Of course your other choice is to reboot.... :-)  But the remount option
> has worked pretty good.
> 
> > > 3) quotacheck -cM "filesystem"
> > > 4) quotaon "filesystem"
> > > 5) edquota "username" or look up setquota
> > 
> > Yes, except my little remark on step 2 everything looks fine .
> > Thanks
> > 
> > 
> > Kind Regards,
> >    Kostas
> > 
> 
> One last thought for you....  I generally do not find much need to set a
> quota on the "/" filesystem.  On a truly multi-user system (implying a
> need for quotas), I ensure that the regular user writable filesystems do
> not include "/".  I generally have a separate /home, /tmp, etc....  I
> can then place a quota on those filesystems only.  I also never put a
> limit on the user root......
> 
> HTH,
> 
> --Rob
> 



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