mountpoint命令用来判断指定的目录是否是加载点,如果是挂载点返回0,如果不是就返回非0。 设备总是挂载在某个指定的目录下,所以就可以使用mountpoint这条命令来确认某个目录是否”临时性“的被文件系统占用。 实例 查看/mnt目录是不是挂载点: mountpoint /mnt /mnt is a mountpoint 这里,我在/mnt目录下面挂载了一些东西。 查看/usr/local是不是挂载点: mountpoint /usr/local /usr/local is not a mountpoint 这里,我没有把任何分区挂载到/usr/local目录上面 查看挂载的/mnt的主/次设备号码: mountpoint -d /mnt 8:5 看一个设备的主/次设备号: mountpoint -x /dev/sda9 8:9
= null) { for (StorageVolume volume : storageVolumeList) { MountPoint mountPoint = new MountPoint(); mountPoint.mDescription = volume.getDescription(context); mountPoint.mPath = volume.getPath(); mountPoint.mIsMounted = isMounted(volume.getPath ()); mountPoint.mIsExternal = volume.isRemovable(); mountPoint.mMaxFileSize + ",isExternal : " + mountPoint.mIsExternal + ", mMaxFileSize: " + mountPoint.mMaxFileSize);
mnt)) { // mnt为空 说明没有文件系统挂载在这个path上 是我们要找的目标 //1.如果dentry之前是挂载点 则从mountpoint hash表 查找mountpoint 如果dentry之前不是挂载点 分配mountpoint 加入mountpoint hash表(dentry计算hash),设置dentry为挂载点 struct mountpoint *mp = get_mountpoint(dentry); //!!! goto retry; //继续查找下一个挂载 } 1)get_mountpoint源码分析 static struct mountpoint *get_mountpoint(struct dentry (dentry) //分配mountpoint 加入mountpoint hash表(dentry计算hash),设置dentry为挂载点((3)的根dentry作为挂载点) ->return mp
|xfs"}) by (mountpoint)))。 |xfs", mountpoint="/"} - node_filesystem_free_bytes{instance=~"node1:9100", fstype=~"ext.? |xfs", mountpoint="/"}) / node_filesystem_size_bytes{instance=~"node1:9100", fstype=~"ext.? |xfs"}) by (mountpoint)))),然后通过正则表达式来获取定义的参数值:(如果不希望将变量以下拉框的形式显示,那么就Hide)。 |xfs"}) by(mountpoint) ) 仪表盘的曲线图 一般配置 指标配置 定义坐标轴 用于坐标轴和网格的显示方式,包括单位,比例,标签等。
在Ubuntu中安装vdfuse,打开终端,输入: sudo apt-get install virtualbox-fuse 语法 vdfuse [options] -f image-file mountpoint 实例 使用如下语句挂载.vdi文件: sudo vdfuse -f /path/to/file.vdi /path/to/mountpoint /path/to/mountpoint应该包含如下文件EntireDisk 如果只有一个文件,你可能需要这样挂载: mount /path/to/mountpoint/Partition1 /path/to/someother/mountpoint 文件系统就挂载到/path/ to/someother/mountpoint了。
: _cgroupv2MountPoint, cpuMaxFile: _cgroupv2CPUMax, }, nil func isCGroupV2(procPathMountInfo string ) (bool, error) { var ( isV2 bool newMountPoint = func(mp *MountPoint) error { isV2 = isV2 || (mp.FSType == _cgroupv2FSType && mp.MountPoint == _cgroupv2MountPoint) ) scanner := bufio.NewScanner(mountInfoFile) for scanner.Scan() { mountPoint, err : = NewMountPointFromLine(scanner.Text()) if err := newMountPoint(mountPoint); err !
mnt)) {//mnt为空 说明没有文件系统挂载在这个path上 struct mountpoint *mp = get_mountpoint(dentry);//从dentry目录获取挂载点 get_mountpoint是怎么从dentry目录获取挂载点: static struct mountpoint *get_mountpoint(struct dentry *dentry) { struct );//mount顺序锁上锁 mp = lookup_mountpoint(dentry);//从mountpoint hash表 查找mountpoint read_sequnlock_excl new)//mountpoint哈希表中没有,找到需要分配 new = kmalloc(sizeof(struct mountpoint), GFP_KERNEL); if (! 首先设置dentry为挂载点,然后使用lookup_mountpoint函数从mountpoint hash表中查找挂载点,找到了直接返回找到的挂载点,找不到说明mountpoint hash表中没有,
end_time=end_time, step="1m" ) #打印获取到的监控数据 print(result) latest_by_mountpoint = {} #解析返回的监控数据 for series in result: metric = series.get("metric", {}) mountpoint = metric.get("mountpoint", "unknown") values = series.get("values", []) if not values: [timestamp, value] latest_point = max(values, key=lambda x: float(x[0])) latest_by_mountpoint [mountpoint] = { "timestamp": datetime.utcfromtimestamp(float(latest_point[0])),
node_exporter filesystem 指标数据 node_filesystem_free_bytes{device="/dev/mapper/klas-root",fstype="xfs",mountpoint ="/"} 2.17331712e+10 node_filesystem_free_bytes{device="/dev/vda1",fstype="xfs",mountpoint="/boot"} 8.48093184e {device="tmpfs",fstype="tmpfs",mountpoint="/run/user/0"} 3.05668096e+08 node_filesystem_free_bytes{device ="tmpfs",fstype="tmpfs",mountpoint="/tmp"} 1.528344576e+09 4,LLD自动发现宏变量 {#FSNAME} [{#FSNAME}] 6,创建文件系统空余空间监控项原型预处理 node_filesystem_free_bytes {mountpoint="{#FSNAME}"} 7,创建文件系统总量监控项原型
MountPoint 为计算层提供了统一挂载访问点。 一方面,GooseFS MountPoint可以利用节点内存或者磁盘实现本地缓存;另一方面,也可以基于高性能缓存 GooseFS 实现分布式缓存;同时,GooseFS MountPoint 也支持直连 在数据读取和写入过程中,GooseFS MountPoint 通过智能预读和并发优化等技术进一步提升客户端性能表现。 3、智能预读:GooseFS MountPoint 引入了智能预读机制,能够根据用户的访问模式和配置参数,提前加载可能需要的数据。 在开启了智能预读的前提下,GooseFS MountPoint 文件客户端单流读取性能高达 1.3GB/s 以上。
创建挂载点目录:sudo mkdir /mnt/mountpoint确保挂载点目录为空:sudo umount /mnt/mountpoint sudo rm -rf /mnt/mountpoint/* sudo mkdir /mnt/mountpoint
='C:\\', fstype='NTFS', opts='rw,fixed'), sdiskpart(device='D:\\', mountpoint='D:\\', fstype='CDFS', opts='ro,cdrom'), sdiskpart(device='E:\\', mountpoint='E:\\', fstype='', opts='cdrom'), sdiskpart(device ='F:\\', mountpoint='F:\\', fstype='NTFS', opts='rw,fixed'), sdiskpart(device='G:\\', mountpoint='G:\ \', fstype='', opts='cdrom'), sdiskpart(device='H:\\', mountpoint='H:\\', fstype='NTFS', opts='rw,fixed '), sdiskpart(device='I:\\', mountpoint='I:\\', fstype='NTFS', opts='rw,fixed')] >>> psutil.disk_usage
Applications/Install\ macOS\ Catalina.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint create -o NewBaseSystem -size 8500m -layout SPUD -fs HFS+J hdiutil attach NewBaseSystem.dmg -noverify -mountpoint Catalina -size 9800m -layout SPUD -fs HFS+J hdiutil attach macOS_10.15_Catalina.dmg -noverify -nobrowse -mountpoint
_, part := range parts { fmt.Printf("part:%v\n", part.String()) diskInfo, _ := disk.Usage(part.Mountpoint v\n", k, v) } } func main() { getDiskInfo() } go run ps.go part:{"device":"/dev/disk1s2s1","mountpoint ro,journaled,multilabel"} disk info:used:21.590916437596942 free:54644285440 part:{"device":"devfs","mountpoint ":"devfs","opts":"rw,nobrowse,multilabel"} disk info:used:100 free:0 part:{"device":"/dev/disk1s5","mountpoint multilabel,noatime"} disk info:used:3.781419239013729 free:54644285440 part:{"device":"/dev/disk1s3","mountpoint
module psutil: disk_partitions(all=False) Return mounted partitions as a list of (device, mountpoint usage. 3、应用 输入 psutil.disk_partitions() >>> psutil.disk_partitions() [sdiskpart(device='/dev/disk1', mountpoint fstype='hfs', opts='rw,local,rootfs,dovolfs,journaled,multilabel'), sdiskpart(device='/dev/disk12s2', mountpoint
node_vmstat_pswpin[1m])+rate(node_vmstat_pswpin[1m])) 内存错误:无法收集 --# 磁盘使用率:(node_filesystem_size_bytes{mountpoint ="/"}-node_filesystem_free_bytes{mountpoint="/"})/node_filesystem_size_bytes{mountpoint="/"}*100 其他挂载点 [1m])) ) record: instance:root:node_filesystem_usage:percentage expr: (node_filesystem_size_bytes{mountpoint ="/"} - node_filesystem_free_bytes{mountpoint="/"}) / node_filesystem_size_bytes{mountpoint="/"} * 100
安全卸载文件系统:sudo umount /path/to/mountpoint强制卸载: 如果安全卸载失败,可以尝试强制卸载:sudo umount -f /path/to/mountpoint 懒卸载 : 懒卸载会立即卸载文件系统,但不会等待所有操作完成:sudo umount -l /path/to/mountpoint3. 检查文件系统活动:lsof | grep /path/to/mountpoint终止使用文件系统的进程:找到使用文件系统的进程ID(PID)。终止这些进程:sudo kill -9 PID4.
= extract_query_part(req, "mountpoint").ok_or_else(|| { HttpError::QueryString("'mountpoint (mountpoint, info), ApiRequest::Umount(mountpoint) => self.do_umount(mountpoint), ApiRequest (&cmd.mountpoint)?. (&cmd.mountpoint)? (&cmd.mountpoint)?
SMBTYPE] [--smbuser SMBUSER] [--smbpass SMBPASS] [-a] [-m MOUNTPOINT SMB用户名,默认为guest --smbpass SMBPASS SMB密码,默认为空 -a, --automount 自动加载任意开放NFS/SMB共享 -m MOUNTPOINT , --mountpoint MOUNTPOINT 加载点(加载共享),默认为./ -p MOUNTPREFIX, --mountprefix MOUNTPREFIX
五、常见用法 5.1 列出所有块设备 #lsblk命令默认情况下将以树状列出所有块设备 # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sr0 MOUNTPOINT :本栏指出设备挂载的挂载点。 50G root disk brw-rw---- 5.3 只获取指定设备的信息 # lsblk -b /dev/vda NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT QEMU QEMU DVD-ROM 2.5+ ata 5.6 将设备和分区的组织关系逆转过来显示 # lsblk -s NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT 5.7 只显示部分列 # lsblk -o NAME NAME sr0 vda └─vda1 5.8 以原始格式显示 # lsblk -r NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT