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Fdisk cannot open dev sdb read only file system

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Dec 19, 2011 · Our Task: Create a new 10GB filesystem to store a package repository for yum Challenges: The existing hard drive has been fully allocated using LVM. Solution: Add a new hard drive to the server (virtual server in this case) Partition the drive and add it to the main logical volume Create a new filesystem This article assumes that by now you have physically added the hard drive to the server. $ sudo fsck.ext4 -p -b 98304 -B 4096 /dev/sdb fsck.ext4: Bad magic number in super-block while trying to open /dev/sdb /dev/sdb: The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock .

Unable to open /dev/sdb read-write (Read-only file system). /dev/sdb has been opened as read-only. Can't write to /dev/sdb, because it is read-only. When I Googled the problem, I tried all the options I could find, including: File system File system in Linux - Part II. It is method of storing the data in an organized fashion on the disk. Every partition on the disk except MBR and extended partition should be assigned with some file system in order to make them store the data. Jan 25, 2019 · A Note about File Systems: Drives that are going to be used only under Ubuntu should be formatted using the ext3/ext4 file system (depending on which version of Ubuntu you use and whether you need Linux backwards compatibility). For sharing between Ubuntu and Windows, FAT32 is often the recommended file system, although NTFS works quite well too.

CentOS or Red Hat Linux is a popular server operating system to the system administrators. Almost all the system admins or IT guys who play with mail server, file server, proxy server and so on are so known with CentOS or Red Hat Linux and cannot go a single day without this operating system. [email protected]:~# reiserfsck --check /dev/sdb reiserfsck 3.6.24 Will read-only check consistency of the filesystem on /dev/sdb Will put log info to 'stdout' Do you want to run this program?[N/Yes] (note need to type Yes if you do):Yes reiserfs_open: the reiserfs superblock cannot be found on /dev/sdb. Failed to open the filesystem. Sep 20, 2011 · Note: No RAID, no Windows on system. The second HD was originally created as ext4 drive and easily interchanged files with Win Vista PC. The Mount Volume returns “File system driver is not installed” and Check Filesystem says “The file system is NOT clean.” [email protected]:~$ sudo fdisk -l. Disk /dev/sdb: 250.1 GB, 250059350016 bytes For example, to create an ext4 file system in the /dev/sdc1 open a terminal, and having get superuser privileges, launch the command: root # mkfs.ext4 /dev/sdc1 Normally, during the installation of openSUSE , you do not have to do it by hand , you simply declare the desired type in the GUI and the YaST installer does it for you .

fdisk: cannot open dev/sdc: No such file or directory My username # fdisk dev/sdb Welcome to fdisk (util-linux 2.27.1). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. fdisk: cannot open dev/sdb: No such file or directory My username # i The program 'i' is currently not installed. The system currently has 5 SAS drives in a raid 5 config. I'm just trying to add an additional drive to the system. For some reason, the system sees the drive, but doesn't create a device mapping for it and won't let me use it. Sep 18, 2016 · Solid red LED light - cannot mount file system. ... the swap space of the system (read here if you’re ... be /dev/sdb and since there is only likely one partition ... File system is read-only I formatted it for my special needs some time ago using fdisk. Don't remember the partition table, but there was 1 fat32 and 1 ext4 partition.

How-to Fix Invalid MSDOS Partition Tables Summary. This article describes how to fix some common problems that cause an MSDOS partition table (also known as Master Boot Record - MBR) to be invalid. Note that a computer with an invalid partition table can often still boot up.

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  • Mar 23, 2010 · Before you can really utilize it you’ll want to partition it out so that you can create file systems on it. There are several utilities available to help you with disk partitioning, but the single utility that you can be sure to find on almost any Linux server is fdisk. Read on to find out how to use fdisk to partition your new drive.
  • Any write access (even through file movements) to any of these files corrupts the map file unless LILO is updated (see SDB:The Boot Manager LILO#sec:lilo.installieren.aendern Updating After Changing the Configuration). This is especially important when changing kernels.
  • U-Boot does not support writing to file systems in eMMC. To overcome this issue, the embedded target needs to boot into an alternate media such as a network file system or USB flash drive. Once the board has booted into Linux, the eMMC can be partitioned and formatted, and the root file system can be extracted.
  • Aug 08, 2017 · Device Boot Start End Blocks Id System /dev/sdc1 1 46995 377487306 83 Linux [[email protected] ~]# Now we will use LVM to create volume on these two devices: – Create volume group on /dev/sdb1 and /dev/sdc1 [[email protected] ~]# vgcreate vol_group_db /dev/sdb1 /dev/sdc1 No physical volume label read from /dev/sdb1 No physical volume label read from ...
  • Sep 19, 2017 · Warning: Unable to open /dev/sdb read-write (Read-only file system). /dev/sdb has been opened read-only. device-mapper: remove ioctl on mpathop1 failed: Device or resource busy Warning: parted was unable to re-read the partition table on /dev/mapper/mpatho (Device or resource busy).

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