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bug#17833: coreutils 8.22 df
From: |
Gabor Z. Papp |
Subject: |
bug#17833: coreutils 8.22 df |
Date: |
Wed, 25 Jun 2014 14:24:04 +0200 |
User-agent: |
Gnus/5.130007 (Ma Gnus v0.7) |
* Pádraig Brady <address@hidden>:
| > $ cat /etc/mtab
| > /dev/md0 / ext3 rw,errors=remount-ro 0 0
| > proc /proc proc rw,relatime 0 0
| > sysfs /sys sysfs rw,relatime 0 0
| > tmpfs /dev tmpfs rw,relatime,size=4k,mode=755 0 0
| > devpts /dev/pts devpts rw,relatime,mode=620 0 0
| > /dev/md1 /var/archive ext3 rw,errors=remount-ro 0 1
| > /var/archive/home /home none rw,bind 0 0
| > /var/archive/spool /var/spool none rw,bind 0 0
| > /var/archive/www /var/lib/www none rw,bind 0 0
| Is this mtab really a link to /proc/mounts?
No, its a standalone file.
| That's the normal case on modern Linux distros.
Its not a modern linux. :-)
| > $ df-8.22 -h
| > Filesystem Size Used Avail Use% Mounted on
| > /dev/md0 21G 8.8G 11G 46% /
| > tmpfs 4.0K 0 4.0K 0% /dev
| >
| > And where is /dev/md1 ?
| Not sure what's going on here.
| Since you've compiled various versions,
| could you replace src/df.c in your 8.22 build dir with:
| http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=blob_plain;f=src/df.c;hb=HEAD
| There have been many df changes since 8.22, so it would
| be good to check with the latest.
$ /tmp/df-git -h
Filesystem Size Used Avail Use% Mounted on
/dev/md0 21G 9.0G 11G 47% /
tmpfs 4.0K 0 4.0K 0% /dev
Same problem, /dev/md1 missing.
| > running df from coreutils 8.21 shows different result:
| >
| > $ df-8.21 -h
| > Filesystem Size Used Avail Use% Mounted on
| > /dev/md0 21G 8.8G 11G 46% /
| > tmpfs 4.0K 0 4.0K 0% /dev
| > /var/archive/home 273G 244G 29G 90% /home
| >
| > Still weird.
| As part of the device de-duplication logic we used in 8.21
| we're favoring '/home' since it's shorter than '/var/archive'
| and thus we're using the '/var/archive/home' "device".
| > Trying with 8.20:
| >
| > $ df-8.20 -h
| > Filesystem Size Used Avail Use% Mounted on
| > /dev/md0 21G 8.8G 11G 46% /
| > tmpfs 4.0K 0 4.0K 0% /dev
| > /dev/md1 273G 244G 29G 90% /var/archive
| I agree that this is the best output for your case.
Right.
| I suppose we could stat the sources in the de-duplication logic
| to favor real devices. I.E. stat '/var/archive/home' and '/dev/md1'
| in your case to favor the latter.
$ /tmp/df-git --version
df (GNU coreutils) 8.22.127-d71c1