Lab 9.3 #6 [Put filesystems on the partitions]: will not make a filesystem here!
Please guys, I really need an insight on what I'm doing wrong here.
Pretty sure the solution is obvious but so far have eluded me. Sorry for the long output.
Thanks!
Running: CentOS Linux release 7.1.1503 (Core) Kernel: 3.10.0-229.14.1.el7.x86_64
$ ls -l /dev/loop1*
brw-rw---- 1 root disk 7, 1 Dec 1 19:48 /dev/loop1
brw-rw---- 1 root disk 259, 0 Dec 1 19:48 /dev/loop1p1
brw-rw---- 1 root disk 259, 3 Dec 1 19:48 /dev/loop1p2
brw-rw---- 1 root disk 259, 4 Dec 1 19:48 /dev/loop1p3
$ sudo fdisk -l /dev/loop1
Disk /dev/loop1: 1073 MB, 1073741824 bytes, 2097152 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: 0x000e2eab
Device Boot Start End Blocks Id System
/dev/loop1p1 1 500000 250000 83 Linux
/dev/loop1p2 500001 1000000 250000 83 Linux
/dev/loop1p3 1000001 2000000 500000 83 Linux
$ sudo kpartx -lv /dev/loop1
loop1p1 : 0 500000 /dev/loop1 1
loop1p2 : 0 500000 /dev/loop1 500001
loop1p3 : 0 1000000 /dev/loop1 1000001
$ sudo kpartx -av /dev/loop1
add map loop1p1 (252:0): 0 500000 linear /dev/loop1 1
add map loop1p2 (252:1): 0 500000 linear /dev/loop1 500001
add map loop1p3 (252:2): 0 1000000 linear /dev/loop1 1000001
$ sudo ln -s /dev/mapper/loop1p1 /dev/loop1p1
$ sudo ln -s /dev/mapper/loop2p2 /dev/loop2p2
$ sudo ln -s /dev/mapper/loop3p3 /dev/loop3p3
$ sudo mkfs.ext3 /dev/loop0p1
mke2fs 1.42.9 (28-Dec-2013)
[b][color=red]/dev/loop1p1 is apparently in use by the system; will not make a filesystem here![[/color]/b]
Comments
-
OK ... I finally managed to figure this out. Dumb me!
When I did losetup -f. I saw that the device was /dev/loop0.
Yet, I went ahead and used /dev/loop1 ($ sudo losetup /dev/loop1 imagefile) for the imagefile.
Once this was taken care of, everything fall into place.0 -
Hi,
It's good to know that you have been able to fix it.
Regards,
Luis.0 -
You need to read the labs properly.
kpartx commands are for old CentOS 6 where direct mapping or mounts did not exist.[b]and we will use them in the following. However, on RHEL 6 such nodes do not appear. Instead, you have to do:[/b]
You may have skipped the formatting with parted and to mount them just do mount /dev/loop1p1 mount1
or you did both kpartx and ln -s
same for the other twos obviously with different partitions and mount points0 -
The othe reason could be that that loop device is in use.
issue a loosetup -f prior to mounting0
Categories
- All Categories
- 112 LFX Mentorship
- 112 LFX Mentorship: Linux Kernel
- 604 Linux Foundation IT Professional Programs
- 315 Cloud Engineer IT Professional Program
- 139 Advanced Cloud Engineer IT Professional Program
- 52 DevOps Engineer IT Professional Program
- 67 Cloud Native Developer IT Professional Program
- 4 Express Training Courses
- 4 Express Courses - Discussion Forum
- 5.3K Training Courses
- 17 LFC110 Class Forum - Discontinued
- 8 LFC131 Class Forum
- 30 LFD102 Class Forum
- 178 LFD103 Class Forum
- LFD110 Class Forum
- 24 LFD121 Class Forum
- LFD133 Class Forum
- 2 LFD137 Class Forum
- 62 LFD201 Class Forum
- 2 LFD210 Class Forum
- 1 LFD210-CN Class Forum
- 1 LFD213 Class Forum - Discontinued
- 127 LFD232 Class Forum - Discontinued
- LFD233 Class Forum
- LFD237 Class Forum
- 22 LFD254 Class Forum
- 643 LFD259 Class Forum
- 107 LFD272 Class Forum
- 1 LFD272-JP クラス フォーラム
- 4 LFD273 Class Forum
- 1 LFS101 Class Forum
- LFS112 Class Forum
- LFS116 Class Forum
- LFS118 Class Forum
- LFS142 Class Forum
- LFS144 Class Forum
- 2 LFS145 Class Forum
- LFS146 Class Forum
- LFS151 Class Forum
- LFS157 Class Forum
- LFS158 Class Forum
- LFS162 Class Forum
- LFS166 Class Forum
- LFS167 Class Forum
- LFS170 Class Forum
- LFS171 Class Forum
- LFS178 Class Forum
- LFS180 Class Forum
- LFS182 Class Forum
- LFS183 Class Forum
- 28 LFS200 Class Forum
- 735 LFS201 Class Forum - Discontinued
- 1 LFS201-JP クラス フォーラム
- 13 LFS203 Class Forum
- 98 LFS207 Class Forum
- 299 LFS211 Class Forum
- 54 LFS216 Class Forum
- 47 LFS241 Class Forum
- 41 LFS242 Class Forum
- 36 LFS243 Class Forum
- 12 LFS244 Class Forum
- LFS245 Class Forum
- 41 LFS250 Class Forum
- 1 LFS250-JP クラス フォーラム
- LFS251 Class Forum
- 141 LFS253 Class Forum
- LFS254 Class Forum
- LFS255 Class Forum
- 2 LFS256 Class Forum
- LFS257 Class Forum
- 1.2K LFS258 Class Forum
- 9 LFS258-JP クラス フォーラム
- 109 LFS260 Class Forum
- 144 LFS261 Class Forum
- 39 LFS262 Class Forum
- 82 LFS263 Class Forum - Discontinued
- 15 LFS264 Class Forum - Discontinued
- 11 LFS266 Class Forum - Discontinued
- 20 LFS267 Class Forum
- 18 LFS268 Class Forum
- 26 LFS269 Class Forum
- 198 LFS272 Class Forum
- 1 LFS272-JP クラス フォーラム
- LFS274 Class Forum
- 3 LFS281 Class Forum
- LFW111 Class Forum
- 254 LFW211 Class Forum
- 173 LFW212 Class Forum
- 9 SKF100 Class Forum
- SKF200 Class Forum
- 781 Hardware
- 198 Drivers
- 68 I/O Devices
- 37 Monitors
- 95 Multimedia
- 174 Networking
- 87 Printers & Scanners
- 83 Storage
- 742 Linux Distributions
- 80 Debian
- 66 Fedora
- 15 Linux Mint
- 13 Mageia
- 23 openSUSE
- 143 Red Hat Enterprise
- 31 Slackware
- 13 SUSE Enterprise
- 347 Ubuntu
- 450 Linux System Administration
- 31 Cloud Computing
- 69 Command Line/Scripting
- Github systems admin projects
- 89 Linux Security
- 76 Network Management
- 101 System Management
- 46 Web Management
- 51 Mobile Computing
- 18 Android
- 23 Development
- 1.2K New to Linux
- 1K Getting Started with Linux
- 355 Off Topic
- 109 Introductions
- 167 Small Talk
- 18 Study Material
- 504 Programming and Development
- 283 Kernel Development
- 203 Software Development
- 844 Software
- 210 Applications
- 180 Command Line
- 3 Compiling/Installing
- 107 Games
- 308 Installation
- 51 All In Program
- 51 All In Forum
Upcoming Training
-
August 20, 2018
Kubernetes Administration (LFS458)
-
August 20, 2018
Linux System Administration (LFS301)
-
August 27, 2018
Open Source Virtualization (LFS462)
-
August 27, 2018
Linux Kernel Debugging and Security (LFD440)