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increase /dev size to 500k ( issue #781)

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Signed-off-by: Min Wang <mingewang@gmail.com>
This commit is contained in:
Min Wang 2016-01-29 15:40:28 -05:00
parent b9f6d3f088
commit c35d29097c
4 changed files with 6 additions and 6 deletions
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4
doc/ja/lxc.container.conf.sgml.in
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@ -1007,7 +1007,7 @@ by KATOH Yasufumi <karma at jazz.email.ne.jp>
<filename>/dev</filename> to be set up as needed in the container <filename>/dev</filename> to be set up as needed in the container
rootfs. If lxc.autodev is set to 1, then after mounting the container's rootfs. If lxc.autodev is set to 1, then after mounting the container's
rootfs LXC will mount a fresh tmpfs under <filename>/dev</filename> rootfs LXC will mount a fresh tmpfs under <filename>/dev</filename>
(limited to 100k) and fill in a minimal set of initial devices. (limited to 500k) and fill in a minimal set of initial devices.
This is generally required when starting a container containing This is generally required when starting a container containing
a "systemd" based "init" but may be optional at other times. Additional a "systemd" based "init" but may be optional at other times. Additional
devices in the containers /dev directory may be created through the devices in the containers /dev directory may be created through the
@ -1015,7 +1015,7 @@ by KATOH Yasufumi <karma at jazz.email.ne.jp>
--> -->
デフォルトでは、lxc はコンテナの <filename>/dev</filename> 以下に fd, stdin, stdout, stderr のシンボリックリンクを作成しますが、自動的にはデバイスノードのエントリは作成しません。 デフォルトでは、lxc はコンテナの <filename>/dev</filename> 以下に fd, stdin, stdout, stderr のシンボリックリンクを作成しますが、自動的にはデバイスノードのエントリは作成しません。
これは、コンテナの rootfs で必要な設定を行えるようにするものです。 これは、コンテナの rootfs で必要な設定を行えるようにするものです。
lxc.autodev が 1 に設定されている場合、コンテナの rootfs をマウントした後、LXC は新しい tmpfs を <filename>/dev</filename> 以下にマウントします (100k 制限の)。 lxc.autodev が 1 に設定されている場合、コンテナの rootfs をマウントした後、LXC は新しい tmpfs を <filename>/dev</filename> 以下にマウントします (500k 制限の)。
そして初期デバイスの最小限のセットを作成します。 そして初期デバイスの最小限のセットを作成します。
これは、"systemd" ベースの "init" 環境のコンテナを起動する時に通常必要ですが、他の環境の場合はオプショナルなものです。 これは、"systemd" ベースの "init" 環境のコンテナを起動する時に通常必要ですが、他の環境の場合はオプショナルなものです。
コンテナの /dev ディレクトリ内の追加デバイスは <option>lxc.hook.autodev</option> フックを使用して作成されます。 コンテナの /dev ディレクトリ内の追加デバイスは <option>lxc.hook.autodev</option> フックを使用して作成されます。

4
doc/ko/lxc.container.conf.sgml.in
View File

@ -967,13 +967,13 @@ by Sungbae Yoo <sungbae.yoo at samsung.com>
<filename>/dev</filename> to be set up as needed in the container <filename>/dev</filename> to be set up as needed in the container
rootfs. If lxc.autodev is set to 1, then after mounting the container's rootfs. If lxc.autodev is set to 1, then after mounting the container's
rootfs LXC will mount a fresh tmpfs under <filename>/dev</filename> rootfs LXC will mount a fresh tmpfs under <filename>/dev</filename>
(limited to 100k) and fill in a minimal set of initial devices. (limited to 500k) and fill in a minimal set of initial devices.
This is generally required when starting a container containing This is generally required when starting a container containing
a "systemd" based "init" but may be optional at other times. Additional a "systemd" based "init" but may be optional at other times. Additional
devices in the containers /dev directory may be created through the devices in the containers /dev directory may be created through the
use of the <option>lxc.hook.autodev</option> hook. use of the <option>lxc.hook.autodev</option> hook.
--> -->
기본적으로 lxc는 약간의 심볼릭 링크(fd, stdin, stdout, stderr)를 컨테이너의 <filename>/dev</filename> 디렉토리에 생성한다. 그러나 자동으로 장치 노드 항목들을 생성해주지 않는다. 컨테이너의 루트 파일시스템에서 필요로하는 <filename>/dev</filename>를 생성할 수 있게 하는 것이다. lxc.autodev가 1로 지정되었다면, 컨테이너 루트 파일시스템을 마운트 한 후, LXC가 <filename>/dev</filename> 밑에 새로운 tmpfs(최대 100k)를 마운트 해준다. 그리고 최소한의 장치만을 채워준다. 기본적으로 lxc는 약간의 심볼릭 링크(fd, stdin, stdout, stderr)를 컨테이너의 <filename>/dev</filename> 디렉토리에 생성한다. 그러나 자동으로 장치 노드 항목들을 생성해주지 않는다. 컨테이너의 루트 파일시스템에서 필요로하는 <filename>/dev</filename>를 생성할 수 있게 하는 것이다. lxc.autodev가 1로 지정되었다면, 컨테이너 루트 파일시스템을 마운트 한 후, LXC가 <filename>/dev</filename> 밑에 새로운 tmpfs(최대 500k)를 마운트 해준다. 그리고 최소한의 장치만을 채워준다.
이것은 "systemd" 기반의 "init" 환경의 컨테이너를 시작할 때 일반적으로 필요하지만, 다른 환경의 경우는 선택적인 요소이다. 이것은 "systemd" 기반의 "init" 환경의 컨테이너를 시작할 때 일반적으로 필요하지만, 다른 환경의 경우는 선택적인 요소이다.
컨테이너의 부가적인 장치들은 <option>lxc.hook.autodev</option> 훅 스크립트를 사용하여 /dev 디렉토리에 생성할 수 있다. 컨테이너의 부가적인 장치들은 <option>lxc.hook.autodev</option> 훅 스크립트를 사용하여 /dev 디렉토리에 생성할 수 있다.
</para> </para>

2
doc/lxc.container.conf.sgml.in
View File

@ -743,7 +743,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
<filename>/dev</filename> to be set up as needed in the container <filename>/dev</filename> to be set up as needed in the container
rootfs. If lxc.autodev is set to 1, then after mounting the container's rootfs. If lxc.autodev is set to 1, then after mounting the container's
rootfs LXC will mount a fresh tmpfs under <filename>/dev</filename> rootfs LXC will mount a fresh tmpfs under <filename>/dev</filename>
(limited to 100k) and fill in a minimal set of initial devices. (limited to 500k) and fill in a minimal set of initial devices.
This is generally required when starting a container containing This is generally required when starting a container containing
a "systemd" based "init" but may be optional at other times. Additional a "systemd" based "init" but may be optional at other times. Additional
devices in the containers /dev directory may be created through the devices in the containers /dev directory may be created through the

2
src/lxc/conf.c
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@ -1080,7 +1080,7 @@ static int mount_autodev(const char *name, const struct lxc_rootfs *rootfs, cons
return 0; return 0;
} }
if (safe_mount("none", path, "tmpfs", 0, "size=100000,mode=755", if (safe_mount("none", path, "tmpfs", 0, "size=500000,mode=755",
rootfs->path ? rootfs->mount : NULL)) { rootfs->path ? rootfs->mount : NULL)) {
SYSERROR("Failed mounting tmpfs onto %s\n", path); SYSERROR("Failed mounting tmpfs onto %s\n", path);
return false; return false;