On 11/6/20 1:29 PM, david wrote:
Folks
I'm trying to use xfs_quota to keep track of disk space usage for my
users.
Here is what I have:
/etc/fstab
----
LABEL=/home /home xfs defaults,usrquota 1 2
----
once usrquota is in fstab, unmount and mount again /home; then you will see
# mount | grep home
/dev/sdb1 on /home type xfs (rw,usrquota)
(or similar)
To set quotas once for all users (and any users added in a future):
xfs_quota -x -c "limit bsoft=9g bhard=10g -d" /home
or make some individual quota different than already set for everyone:
xfs_quota -x -c "limit bsoft=7g bhard=8g valeri" /home
Here you should be done. In fact, you will not see quota status,
occupancies of given user until the user writes something after the
quotas had been set.
I hope, this helps.
Valeri
The documentation states that I should specify "uquota" as an
option on the mount data in /etc/fstab. Yet, I cannot find the entry in
fstab that corresponds to the Logical Volume that ends up being mounted
on /home1.
The system in question was installed on a single disk system. Later,
after install, I added a second disk, created a Logical Volume on it,
and mounted it as /home1, where all the user data gets stored. It holds
an xfs file system.
Upon examining /etc/fstab, there's no evidence of the second disk, yet
it does get mounted:
[root@ape ~]# cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Fri May 1 21:05:38 2020
#
# Accessible filesystems, by reference, are maintained under '/dev/disk/'.
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more
info.
#
# After editing this file, run 'systemctl daemon-reload' to update systemd
# units generated from this file.
#
/dev/mapper/cl_ape-root / xfs defaults 0 0
UUID=d5a206d6-7ea1-42b7-8f52-071e98d09f98 /boot ext4 defaults 1 2
/dev/mapper/cl_ape-swap swap swap defaults 0 0
[root@ape ~]#
Yet, when I look at the current mounts of xfs file systems:
[root@ape ~]# mount | grep xfs
/dev/mapper/cl_ape-root on / type xfs (rw,relatime,attr2,inode64,noquota)
/dev/mapper/vg_abcde-lv01 on /home1 type xfs
(rw,relatime,attr2,inode64,noquota)
[root@ape ~]#
the LV of the second disk shows up.
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 25G 0 disk
+-sda1 8:1 0 1G 0 part /boot
+-sda2 8:2 0 24G 0 part
+-cl_ape-root 253:0 0 21.5G 0 lvm /
+-cl_ape-swap 253:1 0 2.5G 0 lvm [SWAP]
sdb 8:16 0 5.2T 0 disk
+-vg_abcde-lv01 253:2 0 5.2T 0 lvm /home1
sr0 11:0 1 597M 0 rom
[root@ape ~]#
How do I enable quotas on a file system that is being mounted but not in
fstab? I suspect systemd has a role here, but I can't find any evidence.
David
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--
++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
++++++++++++++++++++++++++++++++++++++++
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