linux将硬盘格式化为xfs文件系统

[root@zzw ~]# df -h 文件系统 容量 已用 可用 已用% 挂载点 devtmpfs 2.3G 0 2.3G 0% /dev tmpfs 2.3G 0 2.3G 0% /dev/shm tmpfs 2.3G 13M 2.3G 1% /run tmpfs 2.3G 0 2.3G 0% /sys/fs/cgroup /dev/mapper/centos-root 45G 20G 26G 44% / /dev/sda1 1014M 184M 831M 19% /boot tmpfs 466M 4.0K 466M 1% /run/user/42 tmpfs 466M 32K 466M 1% /run/user/1000 /dev/sr0 4.4G 4.4G 0 100% /run/media/zhao/CentOS 7 x86_64

[root@zzw ~]# umount /oracle

[root@zzw ~]# mkfs -t xfs /dev/lvmdisk/pldy1 mkfs.xfs: /dev/lvmdisk/pldy1 appears to contain an existing filesystem (ext3). mkfs.xfs: Use the -f option to force overwrite.

[root@zzw ~]# mkfs -t xfs /dev/lvmdisk/pldy1 -f no device name given in argument list Usage: mkfs.xfs /* blocksize / [-b log=n|size=num] / metadata / [-m crc=0|1,finobt=0|1,uuid=xxx] / data subvol / [-d agcount=n,agsize=n,file,name=xxx,size=num, (sunit=value,swidth=value|su=num,sw=num|noalign), sectlog=n|sectsize=num / force overwrite / [-f] / inode size / [-i log=n|perblock=n|size=num,maxpct=n,attr=0|1|2, projid32bit=0|1] / no discard / [-K] / log subvol / [-l agnum=n,internal,size=num,logdev=xxx,version=n sunit=value|su=num,sectlog=n|sectsize=num, lazy-count=0|1] / label / [-L label (maximum 12 characters)] / naming / [-n log=n|size=num,version=2|ci,ftype=0|1] / no-op info only / [-N] / prototype file / [-p fname] / quiet / [-q] / realtime subvol / [-r extsize=num,size=num,rtdev=xxx] / sectorsize / [-s log=n|size=num] / version */ [-V] devicename is required unless -d name=xxx is given. is xxx (bytes), xxxs (sectors), xxxb (fs blocks), xxxk (xxx KiB), xxxm (xxx MiB), xxxg (xxx GiB), xxxt (xxx TiB) or xxxp (xxx PiB). is xxx (512 byte blocks). [root@zzw ~]# lvdisplay|grep Path LV Path /dev/lvmdisk/pldy1 LV Path /dev/centos/swap LV Path /dev/centos/root

[root@zzw ~]# mkfs.xfs /dev/lvmdisk/pldy1 -f meta-data=/dev/lvmdisk/pldy1 isize=512 agcount=4, agsize=1309952 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=0, sparse=0 data = bsize=4096 blocks=5239808, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal log bsize=4096 blocks=2560, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0