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虚机 启动问题排查

现象

解决方法

[root@mahuateng /etc/essd.d]$ mount -t hugetlbfs none /mnt/huge_2MB_essd [root@mahuateng /etc/essd.d]$ umount /mnt/huge_2MB_essd [root@mahuateng /etc/essd.d]$ mount | grep huge cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime) [root@mahuateng /etc/essd.d]$ umount /dev/hugepages [root@mahuateng /etc/essd.d]$ mount | grep huge cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) [root@mahuateng /etc/essd.d]$ #mount -t hugetlbs -o rw,relatime,pagesize=2M hugetlbfs /dev/hugepages [root@mahuateng /etc/essd.d]$ ls /dev/hugepages/ [root@mahuateng /etc/essd.d]$ mount -t hugetlbs -o rw,relatime,pagesize=2M hugetlbfs /dev/hugepages mount: 未知的文件系统类型“hugetlbs” [root@mahuateng /etc/essd.d]$ mount -t hugetlbfs -o rw,relatime,pagesize=2M hugetlbfs /dev/hugepages [root@mahuateng /etc/essd.d]$ ls /dev/hugepages/ [root@mahuateng /etc/essd.d]$ mount | grep uhge [root@mahuateng /etc/essd.d]$ mount | grep huge cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M) [root@mahuateng /etc/essd.d]$ mount -t hugetlbfs -o rw,relatime,pagesize=2M none /mnt/huge_2MB_essd [root@mahuateng /etc/essd.d]$ mount -t hugetlbfs -o rw,relatime,pagesize=2M none /mnt/huge_2MB mount: 挂载点 /mnt/huge_2MB 不存在 [root@mahuateng /etc/essd.d]$ mkdir -p /mnt/huge_2MB [root@mahuateng /etc/essd.d]$ mount -t hugetlbfs -o rw,relatime,pagesize=2M none /mnt/huge_2MB [root@mahuateng /etc/essd.d]$ mkdir -p /mnt/huge_1GB [root@mahuateng /etc/essd.d]$ mount -t hugetlbfs -o rw,relatime,pagesize=1G none /mnt/huge_1GB [root@mahuateng /etc/essd.d]$ mount | grep huge cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M) none on /mnt/huge_2MB_essd type hugetlbfs (rw,relatime,pagesize=2M) none on /mnt/huge_2MB type hugetlbfs (rw,relatime,pagesize=2M) none on /mnt/huge_1GB type hugetlbfs (rw,relatime,pagesize=1G)

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