Q. How can I Recover a bad superblock from a corrupted ext3 partition to get back my data? I’m getting following error:

/dev/sda2: Input/output error
mount: /dev/sda2: can’t read superblock

How do I fix this error?


Q. I’m using CentOS Linux 5 server with ext3 on /disk2 (/dev/sdb1). How do I improve my file server performance. I’ve many large files in directories and how do I speed up access time?


Q. I need to find out inode size of my ext3 file system for recovery purpose. How can I find the inode size of an ext2/ext3 filesystem? A. You need to use tune2fs command, which allows the system administrator to adjust various tunable filesystem parameters on Linux ext2/ext3 filesystems. Find the inode size of the […]


Q. I’m using CentOS Linux. I’m getting an error – Cannot Preserve Ownership, when I try to copy files from Linux ext3 to FAT32 or files moved to an NFS NAS server mount point. How do I fix this error and copy / move files? A. Generally you use command like cp or my to […]


Q. I’m new to Linux and how do I examine filesystem and identify regular files or directories? A. Both Linux and UNIX comes with ls command for examining the filesystem. You can use ls command to look at the filesystem. ls command can display: => Character devices => Regular files => Sym links (symbolic links) […]


Q. I am getting an error that read as follows: MySQL: got error 28 from server handler How do I fix this problem? A. This error means no space left on hard disk. According to official MySQL docs, “If you get his error, you need to check all filesystems where MySQL operates. It may be […]


Q. I am using Linux on HP server and I am getting error that read as follows: Linux Kernel panic: VFS: Unable to mount root fs How do I solve this problem? A. Most modern distributions including Debian uses loadable kernel module for ext3 file system. So to read ext3/ext2 file system kernel must load […]