superblock

JBD: Barrier-based Sync Failed On md0-8 – Disabling Barriers Error and Solution

by on September 4, 2011 · 3 comments

I‘ve used the mdadm command line utility to setup and manage software RAID 6 under Debian Linux server. However, I get the following message in /var/log/messages file:
[ 14.003707] JBD: barrier-based sync failed on md0-8 – disabling barriers

How do I fix the message ‘JBD error message “barrier-based sync failed”‘?

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Linux: Find Alternative Superblocks

by on December 6, 2010 · 2 comments

I think my file system has been damaged. Instead of block 1, I want to use block n as superblock. How do I find out an alternative superblock location under Linux?

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How to: Find the inode size of an ext2 / ext3 filesystem

by on November 9, 2007 · 6 comments

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 [...]

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How to: Formatting Linux Filesystem

by on January 30, 2006 · 8 comments

Q. How do I format Linux file system? Can you tell me command names to format and create a Linux file system? A. Formatting linux filesystem required for many reasons. If you want to expand file system or you just added new hard disk drive or create separate partitions for security and performance reasons. Whatever [...]

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