request system snapshot (Maintenance)
语法
request system snapshot <config-partition> <media (compact-flash | hard-disk | internal | usb)> <partition> <root-partition> <factory> <node (all | local | node-id | primary)> <slice (alternate) >
描述
使用此命令备份设备上当前正在运行的和活动的文件系统分区。
选项
config-partition
— 仅创建配置分区的快照,并将其存储到硬盘设备上的默认 /altconfig 或 USB 设备上的 /altconfig 上。root-partition
— 仅创建根分区的快照,并将其存储到硬盘设备上的默认 /altroot 或 USB 设备上的 /altroot 上。factory
— (可选)指定快照中仅包含从工厂运来的文件。media
—(可选)指定要将软件复制到的引导设备:compact-flash
—将软件复制到主紧凑型闪存驱动器。hard-disk
— 将软件复制到硬盘。usb
— 将软件复制到连接到 USB 端口的设备。internal
— 将软件复制到内部闪存驱动器。这是默认选项。USB 选项适用于所有 SRX 系列防火墙;硬盘和紧凑型闪存选项仅在 SRX5800、SRX5600 和 SRX5400 设备上可用;介质内部选项仅适用于 SRX300、SRX320、SRX340、SRX345、SRX380 和 SRX550M 设备。
外部— — 将软件复制到外部存储设备。此选项可用于 SRX650 服务网关上的紧凑型闪存。
node
—(可选)指定特定节点的归档数据和可执行区域。如果未指定节点选项,设备会将当前节点视为默认选项。node-id
- 为节点 (0, 1) 指定。all
- 为所有节点指定。local
- 为本地节点指定。primary
— 为主节点指定。
partition
—(默认值)指定在将备份保存到目标媒体之前应对其重新分区。无论是否在命令中指定目标介质,都会对其进行分区,因为这是必需选项。
例子: request system snapshot media usb partition
例子: request system snapshot media usb partition factory
slice
—(可选)拍摄系统当前已从中引导的根分区的快照到同一介质中的另一个片。alternate
—(可选)将快照存储在系统中的另一个根分区上。
切片选项不能与其他选项一起使用
request system snapshot
,因为这些选项是互斥的。如果使用工厂、介质或分区选项,则无法使用切片选项;如果使用切片选项,则不能使用任何其他选项。
所需权限级别
维护
输出字段
输入此命令时,系统会提供有关请求状态的反馈。
示例输出
请求系统快照配置分区
user@host> request system snapshot config-partition Doing the initial labeling... Verifying compatibility of destination media partitions... Running newfs (391MB) on hard-disk media /config partition (ad1s1e)... Copying '/dev/ad0s1e' to '/dev/ad1s1e' .. (this may take a few minutes) The following filesystems were archived: /config
请求系统快照根分区
user@host> request system snapshot root-partition Doing the initial labeling... Verifying compatibility of destination media partitions... Running newfs (3GB) on hard-disk media / partition (ad1s1a)... Copying '/dev/ad0s1a' to '/dev/ad1s1a' .. (this may take a few minutes) The following filesystems were archived: /
请求系统快照介质硬盘
user@host> request system snapshot media hard-disk Verifying compatibility of destination media partitions... Running newfs (880MB) on hard-disk media / partition (ad2s1a)... Running newfs (98MB) on hard-disk media /config partition (ad2s1e)... Copying '/dev/ad0s1a' to '/dev/ad2s1a' .. (this may take a few minutes) ...
请求系统快照介质 USB(当 USB 设备丢失时)
user@host> request system snapshot media usb Verifying compatibility of destination media partitions... Running newfs (254MB) on usb media / partition (da1s1a)... Running newfs (47MB) on usb media /config partition (da1s1e)... Copying '/dev/da0s2a' to '/dev/da1s1a' .. (this may take a few minutes) Copying '/dev/da0s2e' to '/dev/da1s1e' .. (this may take a few minutes) The following filesystems were archived: / /config
请求系统快照介质 compact-flash
user@host> request system snapshot media compact-flash error: cannot snapshot to current boot device
请求系统快照分区
user@host> request system snapshot partition Verifying compatibility of destination media partitions... Running newfs (439MB) on internal media / partition (da0s1a)... Running newfs (46MB) on internal media /config partition (da0s1e)... Copying '/dev/da1s1a' to '/dev/da0s1a' .. (this may take a few minutes) Copying '/dev/da1s1e' to '/dev/da0s1e' .. (this may take a few minutes) The following filesystems were archived: / /config
发布信息
在 Junos OS 10.2 版中引入的命令。