1. mkfs를 통한 파일시스템 생성시 아래와 같은 메세지와 함께 파일시스템 작성이 불가능할 경우가 있습니다.
[root@keyclass1 ~]# [root@keyclass1 ~]# [root@keyclass1 ~]# mkfs.ext3 /dev/sdb2 mke2fs 1.39 (29-Oct-2015) /dev/sdb2 is apparently in use by the system; will not make a filesystem here!
2. dmsetup라는 명령어를 통하여 현재 시스템에서 사용중인 Disk Device에 대한 상태정보를 확인 후
시스템에서 실제 사용중이지 않은 Garbage정보를 Clear 한 후 파일 시스템 작성이 가능합니다.
[root@keyclass1 ~]# [root@keyclass1 ~]# dmsetup status VG_XenStorage–050248de–7d7c–28e7–dcde–0ea15f4b3816-MGT: 0 8192 linear VolGroup00-LogVol01: 0 2097152 linear VolGroup00-LogVol00: 0 18612224 linear [root@keyclass1 ~]# dmsetup remove_all [root@keyclass1 ~]# dmsetup status VolGroup00-LogVol01: 0 2097152 linear VolGroup00-LogVol00: 0 18612224 linear [root@keyclass1 ~]# mkfs.ext3 /dev/sdb2 mke2fs 1.42 (29-Oct-2015) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 5242880 inodes, 10484412 blocks 524220 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 350 block groups 32770 blocks per group, 32768 fragments per group 16384 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 236376, 237912, 819200, 884736, 1605632, 2654208, 4096000, 7962624
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