DrFugazi@Work

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Tagged: Solaris zones

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How to remove dataset from Solaris zone and mount it as lofs

Because of building mail system I need to export ZFS filesystem via NFS to other node, where postfix with deliver will save messages to mail boxes. As you can see in this installation transcript I configured whole zpool “studmail” as ZFS dataset for zone st1. Unfortunatelly, you can not simply share ZFS via NFS in non-global zone:

root@st1:~# zfs list
NAME                         USED  AVAIL  REFER  MOUNTPOINT
studmail                     301M  1.78T  28.0K  none
studmail/etc                4.52M  1.78T  4.19M  /data/etc
studmail/studmail            480K  1.78T   417K  /data/studmail
studmail/var                 296M  1.78T   294M  /data/var

root@st1:~# zfs set sharenfs=rw=@192.168.X.X/32,anon=0 studmail/studmail
cannot set property for 'studmail/studmail': 'sharenfs' cannot be set in a non-global zone

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04.02 Configuration of container st1

After installation and initial configuration of st1 container you need to look on working services and disable those, which are not necessary. But at first I will set up more comfortable environment to work. I will change default shell to zsh and home directory of root user. I will use GNU sed for this purpose. Remember that /usr/local directory is inherited from global zone in read-only mode.

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04.01 Installation of container st1

Creation of container named st1, without resource control, with inherited standard directories and additionally inherited /usr/local dir (read only mode). Configured two network Quad Fast Ethernet cards: qfe4 and qfe5 in shared mode. Added ZFS pool (zpool) named studmail.

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04. Containers (Solaris zones)

Solaris 10 has embedded some kind of virtualization mechanism, which is known as Solaris Zones. This is not only jail, but also resource controller for zones. I will not write about mechanism, because you can find this in documentation on Sun/Oracle sites and other blogs. I will give you some simple examples how to configure and install zone on Solaris 10.