Last login: Tue Jul 24 22:02:13 2018 from gateway [root@vedb ~]# [root@vedb ~]# clear [root@vedb ~]# [root@vedb ~]# [root@vedb ~]# [root@vedb ~]# [root@vedb ~]# ll /dev/devsd* brw-rw----. 1 root disk 8, 0 Jul 24 22:50 /dev/sda brw-rw----. 1 root disk 8, 1 Jul 24 22:50 /dev/sda1 brw-rw----. 1 root disk 8, 2 Jul 24 22:50 /dev/sda2 brw-rw----. 1 root disk 8, 16 Jul 24 22:50 /dev/sdb [root@vedb ~]# fdkiisk -l /dev/sdb Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes [root@vedb ~]# fdisk /dev/sdb Welcome to fdisk (util-linux 2.23.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Device does not contain a recognized partition table Building a new DOS disklabel with disk identifier 0x47a3d162. Command (m for help): m Command action a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibility flag d delete a partition g create a new empty GPT partition table G create an IRIX (SGI) partition table l list known partition types m print this menu n add a new partition o create a new empty DOS partition table p print the partition table q quit without saving changes s create a new empty Sun disklabel t change a partition's system id u change display/entry units v verify the partition table w write table to disk and exit x extra functionality (experts only) Command (m for help): p Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x47a3d162 Device Boot Start End Blocks Id System Command (m for help): n Partition type: p primary (0 primary, 0 extended, 4 free) e extended Select (default p): p Partition number (1-4, default 1): 1 First sector (2048-41943039, default 2048): Using default value 2048 Last sector, +sectors or +size{K,M,G} (2048-41943039, default 41943039): +15G Partition 1 of type Linux and of size 15 GiB is set Command (m for help): p Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x47a3d162 Device Boot Start End Blocks Id System /dev/sdb1 2048 31459327 15728640 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@vedb ~]# fdiskk -l /dev/sdb Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x47a3d162 Device Boot Start End Blocks Id System /dev/sdb1 2048 31459327 15728640 83 Linux [root@vedb ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 1.8G 0 1.8G 0% /dev tmpfs 1.9G 564M 1.3G 31% /dev/shm tmpfs 1.9G 8.9M 1.8G 1% /run tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/mapper/ol-root 26G 14G 13G 53% / /dev/sda1 1014M 303M 712M 30% /boot ShareFolder 134G 100G 34G 76% /media/sf_ShareFolder tmpfs 370M 0 370M 0% /run/user/54321 tmpfs 370M 0 370M 0% /run/user/0 tmpfs 370M 12K 370M 1% /run/user/42 [root@vedb ~]# ll /dev/sd* brw-rw----. 1 root disk 8, 0 Jul 24 22:50 /dev/sda brw-rw----. 1 root disk 8, 1 Jul 24 22:50 /dev/sda1 brw-rw----. 1 root disk 8, 2 Jul 24 22:50 /dev/sda2 brw-rw----. 1 root disk 8, 16 Jul 24 22:53 /dev/sdb brw-rw----. 1 root disk 8, 17 Jul 24 22:53 /dev/sdb1 [root@vedb ~]# mkdir /u02 [root@vedb ~]# mount /dev/sdb1 /u02 mount: /dev/sdb1 is write-protected, mounting read-only mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so. [root@vedb ~]# fdisk /dev/sdb Welcome to fdisk (util-linux 2.23.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help): p Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x47a3d162 Device Boot Start End Blocks Id System /dev/sdb1 2048 31459327 15728640 83 Linux Command (m for help): t Selected partition 1 Hex code (type L to list all codes): L 0 Empty 24 NEC DOS 81 Minix / old Lin bf Solaris 1 FAT12 27 Hidden NTFS Win 82 Linux swap / So c1 DRDOS/sec (FAT- 2 XENIX root 39 Plan 9 83 Linux c4 DRDOS/sec (FAT- 3 XENIX usr 3c PartitionMagic 84 OS/2 hidden C: c6 DRDOS/sec (FAT- 4 FAT16 <32M 40 Venix 80286 85 Linux extended c7 Syrinx 5 Extended 41 PPC PReP Boot 86 NTFS volume set da Non-FS data 6 FAT16 42 SFS 87 NTFS volume set db CP/M / CTOS / . 7 HPFS/NTFS/exFAT 4d QNX4.x 88 Linux plaintext de Dell Utility 8 AIX 4e QNX4.x 2nd part 8e Linux LVM df BootIt 9 AIX bootable 4f QNX4.x 3rd part 93 Amoeba e1 DOS access a OS/2 Boot Manag 50 OnTrack DM 94 Amoeba BBT e3 DOS R/O b W95 FAT32 51 OnTrack DM6 Aux 9f BSD/OS e4 SpeedStor c W95 FAT32 (LBA) 52 CP/M a0 IBM Thinkpad hi eb BeOS fs e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a5 FreeBSD ee GPT f W95 Ext'd (LBA) 54 OnTrackDM6 a6 OpenBSD ef EFI (FAT-12/16/ 10 OPUS 55 EZ-Drive a7 NeXTSTEP f0 Linux/PA-RISC b 11 Hidden FAT12 56 Golden Bow a8 Darwin UFS f1 SpeedStor 12 Compaq diagnost 5c Priam Edisk a9 NetBSD f4 SpeedStor 14 Hidden FAT16 <3 61 SpeedStor ab Darwin boot f2 DOS secondary 16 Hidden FAT16 63 GNU HURD or Sys af HFS / HFS+ fb VMware VMFS 17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fc VMware VMKCORE 18 AST SmartSleep 65 Novell Netware b8 BSDI swap fd Linux raid auto 1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid fe LANstep 1c Hidden W95 FAT3 75 PC/IX be Solaris boot ff BBT 1e Hidden W95 FAT1 80 Old Minix Hex code (type L to list all codes): ^C [root@vedb ~]# [root@vedb ~]# [root@vedb ~]# [root@vedb ~]# [root@vedb ~]# mkfs.xfs /dev/sdb1 meta-data=/dev/sdb1 isize=256 agcount=4, agsize=983040 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=0, sparse=0 data = bsize=4096 blocks=3932160, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=0 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 [root@vedb ~]# mount /dev/sdb1 /u02 [root@vedb ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 1.8G 0 1.8G 0% /dev tmpfs 1.9G 564M 1.3G 31% /dev/shm tmpfs 1.9G 8.9M 1.8G 1% /run tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/mapper/ol-root 26G 14G 13G 53% / /dev/sda1 1014M 303M 712M 30% /boot ShareFolder 134G 100G 34G 76% /media/sf_ShareFolder tmpfs 370M 0 370M 0% /run/user/54321 tmpfs 370M 0 370M 0% /run/user/0 tmpfs 370M 16K 370M 1% /run/user/42 /dev/sdb1 15G 33M 15G 1% /u02 [root@vedb ~]# vi /etc/fstab "/etc/fstab" 11L, 465C# # /etc/fstab # Created by anaconda on Tue Dec 13 11:06:43 2016 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/ol-root /xfs defaults0 0 UUID=7484e086-71b7-44d6-8083-d2674d8ec1af /bootxfs defaults 0 0 /dev/mapper/ol-swap swapswap defaults0 0 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ -- INSERT --/dev/sdb1 /u02 xfs defaults 00- 0:wq"/etc/fstab" 12L, 501C written [root@vedb ~]# [root@vedb ~]# cat /etc/fstab # # /etc/fstab # Created by anaconda on Tue Dec 13 11:06:43 2016 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/ol-root / xfs defaults 0 0 UUID=7484e086-71b7-44d6-8083-d2674d8ec1af /boot xfs defaults 0 0 /dev/mapper/ol-swap swap swap defaults 0 0 /dev/sdb1 /u02 xfs defaults 0 0 [root@vedb ~]# [root@vedb ~]# reboot PolicyKit daemon disconnected from the bus. 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