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运行的活动文件系统分区。
选项
config-partition
— 仅创建配置分区快照,并将其存储到硬盘设备或 USB 设备上的默认/altconfig 上。root-partition
— 仅创建根分区快照,并将其存储到硬盘设备或 USB 设备上的默认/altroot 上。factory
— (可选)指定快照中仅包含从出厂发货的文件。media
—(可选)指定将软件复制到的启动设备:compact-flash
—将软件复制到主要紧凑型闪存驱动器中。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 选项可在所有 SRX 系列设备上提供;硬盘和紧凑型闪存选项仅适用于 SRX5800、SRX5600 和 SRX5400 设备:只有 SRX300、SRX320、SRX340、SRX345、SRX380 和 SRX550M 设备才有媒体内部选项。
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)指定特定节点的存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
—指定节点 (0、 1)。all
—指定所有节点。local
—指定本地节点。primary
— 指定主节点。
partition
—(默认)指定应在将备份保存给备份之前重新分区目标介质。无论是否在命令中指定目标介质,目标介质都可进行分区,因为这是一个必需选项。
例子: request system snapshot media usb partition
例子: request system snapshot media usb partition factory
slice
—(可选)获取系统当前已从同一介质中启动到另一个切片的根分区快照。alternate
—(可选)将快照存储在系统中的其他根分区上。
切片选项不能与其他
request system snapshot
选项一起使用,因为选项是相互排斥的。如果使用出厂、介质或分区选项,则不能使用切片选项;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,将向您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(缺少 usb 设备时)
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
请求系统快照媒体紧凑闪存
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。