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Questions tagged [ext3]

ext3 is the default file system for many Linux distributions.

ext3 offers many features as a file system - journaling as well as very efficient directory indices.

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How to change switch to a different root partition

I am using AWS EC2 instance with Ubuntu 10.04 installed on it. I start with the instace which has its root partition at /dev/sda1. Later I want to attch a new EBS volume at /dev/sdb1 and want to get rid of the volume at /dev/sda1. I then want to…
gaurav
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Howto maintain an EXT3 filesystem

Lately I had several servers which encountered a write error on an EXT3 filesystem and as a result of that remounted the filesystem read-only. Understandably on a production server this causes severe problems. On a reboot the filesystem where fixed…
Reinoud van Santen
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How do I improve my incremental-backup performance?

I'm currently using the traditional rsync+cp -al method to create incremental/snapshot backups of our server tree. The backups are going onto a pair of eight-disk towers connected to the backup machine (a Sandy Bridge machine with 16 GB of RAM,…
Alistair Bell
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How to investigate frequent but dissimilar data-loss events

I have a Xen domU provided by a third party, running Ubuntu (10.04, server edition, stock -server kernel). This server runs Dovecot and Exim4, with mail stored in Maildirs, and runs a fairly typical LAMP stack with most applications in Perl, and all…
James Green
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mirroring linux server to external usb harddrive

My google-fu must be sucking. i havent been able to find a good solution for the following: numerous Linux server on commodity hardware Trying to do a recovery mirror copy to external harddrives External harddrives are smaller than source…
DuPie
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directory with 980MB meta data, millions of files, how to delete it? (ext3)

Possible Duplicate: rm on a directory with millions of files Hello, So I'm stuck with this directory: drwxrwxrwx 2 dan users 980M 2010-12-22 18:38 sessions2 The directories contents is small - just millions of tiny little files. I want to wipe it…
Alexandre
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Cyclical / rhythmic disk I/O statistics: (activity increasing monotonically)

I have got a unique problem with one of my servers. The disk I/O statistic is consistently increasing for last couple of weeks. See this graph from Munin: From Linode's dashboard, I see a more fine-grained picture of disk I/O. Here is the cyclical…
Paras Chopra
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Expanded 8TB RAID5 in mdadm only showing 3.5TB available

I had 3, 2TB disks in a RAID5 that I expanded to a 5, 2TB RAID5 (details here). This all went fine but when I went to the folder I have array mounted to (/var/media), it only show 3.5TB of space available. When I check the raid out it shows the…
Geoffrey
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Can I make an ext3 filesystem recognize (and use) the entire partition?

Using gparted and partimage from SysRescCD I recently made a backup image of the partition containing my Ubuntu installation, deleted all partitions except for the original Windows partitions reduced the size of the Win7 partition created an…
Brian Luft
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Join files effectively on Linux

Is there a better way to join files that have been splitted than just doing a "cat" or "join"? These commands just copy the file streams into a new file on disk. A much better way would be manipulating the filesystem pointers to join the files into…
Eddy Yosso
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Disabling "symlink follow" feature on Ext3/4 mount points

How can I disable the symlink feature of ext3 file system mount point ? My server is being attacked by some sort of symbolic link hacking methods for reading other user's home directory. There is such an option "nosymfollow" on BSD series, but I…
Ali Nadalizadeh
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filesystem mounting problem

A DAS box is attached to my linux box using LSI SCSI HBA. Volume is properly detected on the linux box and filesystem is created using mkfs.ext3 /dev/sdc #No partition table I can not mount the volume using mount/dev/sdc /mnt/temp -t…
user39508
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ext3 slowing down on writes on linux 2.6.18

i'm running into a problem where writing to a file will cause a 5 to 15 second pause, this occurs only on writes. So far i have remounted the filesystem with data=writeback as an option, and set /sys/block/sdb/queue/max_sectors_kb to 64 to shorten…
None
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EXT3: What disk checks should be run after a hard reboot or power failure?

In the event that a hard reboot is performed or a system loses power without a proper shutdown, what checks should be run to verify file-system/data integrity on ext3 partitions? I've heard of fsck, but I've also heard that ext3 makes the need for…
Nick
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Creating a filesystem bigger than 8 TB in RHEL 4

I'm trying to create a couple of 10 TB filesystems on a RHEL 4.8 file server. ext3 theoretically supports up to 16 TB, but I know there are some gotchas above 8 TB. All the docs I've seen suggest that I should just pass -F to mkfs.ext3, but when I…
Alistair Bell
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