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25 views

Defragmenting an ext3 filesystem after modifying using tune2fs

We have a number of servers that use local storage for a high performance data warehouse. We were running into issues with running out of space (the reserve space for ext3 volumes). We modified this ...
4
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2answers
3k views

Can't resize2fs - combination of flex_bg and !resize_inode

I recently set up my first software raid with mdadm and after adding more disks to the raid I am unable to resize the filesystem to the full size of the raid. I created a single (~16TB) filesystem on ...
5
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1answer
570 views

What exactly does the automated ext3 root file system check?

Recently we encountered a problem (bad blocks) with an ext3 formatted compact flash card running an embedded Linux system. On startup, the root file system check was started, but it seemed to hang ...
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1answer
2k views

tune2fs: No such device or address while trying to open /dev/sda1?

My hard disk is going to bad: Apr 3 20:26:48 207 kernel: aacraid: Host adapter abort request (0,0,0,0) Apr 3 20:26:48 207 kernel: aacraid: Host adapter reset request. SCSI hang ? Apr 3 20:26:58 ...
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1answer
2k views

How can I disable ext4 has_journal option on dedicated server?

I have Ubuntu 10.04 dedicated server with SSD drive. Hence I want to disable the file system journal. Normally this can be done like this "tune2fs -O ^has_journal /dev/md2". However the root file ...
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1answer
1k views

Where to get comprehensive list of tune2fs/tune4fs options per filesystem?

tune4fs can use many undocumented (I mean they are not yet in man tune4fs) options for ext4 filesystem. For example, huge_file, flex_bg, dir_nlink, extra_isize and some others. Is there a ...
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2answers
5k views

Linux: Why change inode size?

Tune2fs allows to change inode size from default 128 bytes to almost anything, but it should be power of two. What are the reasons for changing default inode size? Here it's written that this can be ...