[OpenIndiana-discuss] how to release OS disk space?

Dang Zhiqiang c_dddd at 163.com
Fri Apr 4 08:47:40 UTC 2014


Thank you very much.

At 2014-04-04 16:02:32,"Jim Klimov" <jimklimov at cos.ru> wrote:
>On 2014-04-04 09:52, Dang Zhiqiang wrote:
>>>> yes, rpool1 is rather very small, It's a small DOM.
>>>> but two week ago, I have more than 800M free space, and I only test
>>>> heartbeat, not create any other files.
>
>Did you try the basic Unix tools such as "du"? I.e.
>
>:; du -ks /* /usr/* /var/* /opt/*
>
>You might also try "find / -type f" with "-newer $referencefile" or
>just "-mtime $days" to see what files have changed recently.
>
>In your case I'd expect that something in /var/* gets filled up, such
>as logs, crash or cores. Or maybe the pkg cache pulled something in...
>
>Finally, it may be possible that swap and/or dump got some blocks
>allocated, which would show up as space usage in the pool. However,
>due to default reservations, that space would not have been previously
>seen as available for other datasets (with "df" or "zfs list") anyway.
>
>> # zfs list -t all rpool1
>> NAME     USED  AVAIL  REFER  MOUNTPOINT
>> rpool1  3.34G   324M  45.5K  /rpool1
>
>You probably wanted to show us "zfs list -t all -r rpool1" (note "-r")?
>Here you provided only the root dataset node, which is basically empty
>(with only a few files for boot configuration).
>
>HTH,
>//Jim
>
>
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>OpenIndiana-discuss mailing list
>OpenIndiana-discuss at openindiana.org
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Maybe I found something, why infolog_hival is so big?
root at host2:/var/fm/fmd# ls -lh
total 1.1G
drwxr-xr-x 3 root sys     3 2014-04-01 17:08 ckpt
-rw-r--r-- 1 root root  22K 2014-04-04 10:19 errlog
-rw-r--r-- 1 root root  333 2014-03-21 17:07 fltlog
-rw-r--r-- 1 root root  332 2014-03-21 17:07 infolog
-rw-r--r-- 1 root root 1.1G 2014-04-04 16:31 infolog_hival
drwxr-xr-x 2 root sys     2 2013-07-21 16:20 rsrc
drwxr-xr-x 2 root sys     2 2013-07-21 16:20 xprt


Other output:
root at host2:/usr# df -h
Filesystem            Size  Used Avail Use% Mounted on
rpool1/ROOT/openindiana-1
                      3.7G  3.4G  320M  92% /
swap                  4.0G  364K  4.0G   1% /etc/svc/volatile
/usr/lib/libc/libc_hwcap1.so.1
                      3.7G  3.4G  320M  92% /lib/libc.so.1
swap                  4.0G   16K  4.0G   1% /tmp
swap                  4.0G   36K  4.0G   1% /var/run
rpool1/export         320M   32K  320M   1% /export
rpool1/export/home    320M   34K  320M   1% /export/home
rpool1/export/home/aaa
                      320M   37K  320M   1% /export/home/aaa
rpool1/export/home/dzq
                      320M   35K  320M   1% /export/home/dzq
rpool1/export/home/hacluster
                      320M   37K  320M   1% /export/home/hacluster
rpool1                320M   46K  320M   1% /rpool1
root at host2:/usr# du -sk /*
1       /bin
10367   /boot
3       /cdrom
481     /dev
255     /devices
54864   /etc
27      /export
1       /home
157275  /kernel
54521   /lib
3       /media
2       /mnt
1       /net
103625  /opt
181171  /platform
du: cannot access `/proc/2306/fd/3': No such file or directory
du: cannot access `/proc/2306/path/3': No such file or directory
2727557 /proc
46      /root
19      /rpool1
2479    /sbin
5769    /system
2       /tank
36      /tmp
1614974 /usr
1351765 /var
root at host2:/usr# du -sk /usr/*
1       /usr/adm
30      /usr/apache
11482   /usr/apache2
3277    /usr/apr
2150    /usr/apr-util
213461  /usr/bin
49      /usr/ccs
1569    /usr/ddu
2121    /usr/demo
1       /usr/dict
64      /usr/dt
2       /usr/games
36516   /usr/gnu
231     /usr/has
34820   /usr/include
1       /usr/java
102993  /usr/jdk
5304    /usr/kernel
5       /usr/kvm
507398  /usr/lib
33      /usr/local
1       /usr/mail
1       /usr/man
6       /usr/net
1       /usr/news
2       /usr/old
1       /usr/openwin
52329   /usr/perl5
3509    /usr/platform
1       /usr/preserve
10      /usr/proc
1       /usr/pub
2978    /usr/sadm
62269   /usr/sbin
100288  /usr/sfw
362606  /usr/share
1994    /usr/snadm
1       /usr/spool
1       /usr/src
1       /usr/tmp
2       /usr/ucb
104999  /usr/X11
1       /usr/X11R6
2744    /usr/xpg4
root at host2:/usr# du -sk /var/*
1333    /var/adm
8       /var/ai
500     /var/apache2
2       /var/audit
2848    /var/cache
2       /var/cores
3       /var/crash
6       /var/cron
3       /var/db
1128800 /var/fm
2       /var/games
12      /var/idmap
2       /var/inet
23      /var/installadm
5       /var/krb5
4       /var/ld
2       /var/ldap
8       /var/lib
1057    /var/log
2       /var/logadm
7       /var/lp
6       /var/mail
2       /var/news
5       /var/nfs
3       /var/ntp
2       /var/opt
214759  /var/pkg
2       /var/preserve
120     /var/run
1390    /var/sadm
26      /var/saf
5       /var/samba
21      /var/smb
32      /var/spool
756     /var/svc
2       /var/tmp
12      /var/tpm
6       /var/yp
root at host2:/usr# du -sk /opt/*
3932    /opt/DTT
99142   /opt/ha
548     /opt/install-test
2       /opt/SUNWspro


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