From: Dave Chinner <david@fromorbit.com>
To: Chris Murphy <lists@colorremedies.com>
Cc: Stan Hoeppner <stan@hardwarefreak.com>, xfs@oss.sgi.com
Subject: Re: Enforcing quota for root user
Date: Wed, 12 Nov 2014 09:32:03 +1100 [thread overview]
Message-ID: <20141111223203.GS28565@dastard> (raw)
In-Reply-To: <631A9090-F9FE-4B8E-88CD-1B30CAFC65B7@colorremedies.com>
On Tue, Nov 11, 2014 at 11:00:25AM -0700, Chris Murphy wrote:
>
> On Nov 11, 2014, at 8:36 AM, Stan Hoeppner <stan@hardwarefreak.com> wrote:
>
> > On 11/11/2014 04:22 AM, Cyril Scetbon wrote:
> >> That's what I've read first, but someone showed me a sample where it works. He just told me he was using project quota. However, does it make sense ?
> >> I've also read somewhere else that quota is never enforced for root user (id,gid=0) that's why I was testing it ....
> >
> > No, it doesn't make sense. Why would you want to enforce quotas for root?
>
> A week ago I tried this and project quotas appear to apply to root.
By intent and design. Project quotas are not a user/group based
quota and so there is no exemption for any user.
> [root@localhost project_quota_test1]# xfs_quota -c df
> Filesystem 1K-blocks Used Available Use% Pathname
> /dev/sdb 83845120 157980 83687140 0% /xfs_local
> /dev/sdb 102400 124928 9223372036854753280 122% /xfs_local/project_quota_test1
> [root@localhost project_quota_test1]# dd if=/dev/zero of=test100MB bs=1M count=100
> dd: error writing ‘test100MB’: No space left on device
> 79+0 records in
> 78+0 records out
> 81788928 bytes (82 MB) copied, 0.163849 s, 499 MB/s
> [root@localhost project_quota_test1]# xfs_quota -c df
> Filesystem 1K-blocks Used Available Use% Pathname
> /dev/sdb 83845120 237748 83607372 0% /xfs_local
> /dev/sdb 102400 204800 9223372036854673408 200% /xfs_local/project_quota_test1
It's gone negative. That number in hex: 0x7FFFFFFFFFFE7000
What kernel are you using, and can you outline all the way you set
everything up to cause that to occur? Also, what is the output of a
plain 'df -h' when it is in that state?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2014-11-11 22:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-10 22:46 Enforcing quota for root user Cyril Scetbon
2014-11-11 6:56 ` Stan Hoeppner
2014-11-11 10:22 ` Cyril Scetbon
2014-11-11 15:36 ` Stan Hoeppner
2014-11-11 18:00 ` Chris Murphy
2014-11-11 22:32 ` Dave Chinner [this message]
2014-11-11 22:36 ` Eric Sandeen
2014-11-11 23:34 ` Dave Chinner
2014-11-11 23:35 ` Chris Murphy
2014-11-12 0:09 ` Dave Chinner
2014-11-12 13:55 ` Cyril Scetbon
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