ext3 is the default file system for many Linux distributions.

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226 views

upgrading ext3 fs on ubuntu 8.04

so we are stuck with this closed source system that keeps on adding folders to one directory, and it's going to hit the 32k limit soon because it's ext3. and that folder is expected to have +100k ...
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1answer
318 views

sharing an ext3/ext4 partition on external drive

is there a way of sharing an ext3/ext4 formatted partition on an external USB drive between different users (uids) on different Linux machines without creating a group for this purpose, setting the ...
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2answers
129 views

Directory in Linux(ext3) with only 2 files occupies 32000 blocks(16Mbytes)

IIRC my Operating Systems classes, the size of a directory in Linux is given by the number of files it contains([wikipedia link])1 So, why a directory with only 2 files occupies 32000 blocks? # stat ...
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3answers
2k views

how do I convert a live root ext3 filesystem to ext4?

I have a root filesystem thats live and mounted and I'd like to convert it to ext4. All the howto's i've read deal with booting off a live CD but thats not an option.
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2answers
198 views

How many files can I have directly under a directory in ext3?

I have a root directory 'data_0'. Under this directory are about 15,000 directories ('a', 'b', 'c', ... 'aa', 'ab' ...). Under each of theses directories there are thousands of very small files ...
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3answers
23k views

Read-only root file system - ext3 error?

I have a problem with ext3 filesystem. It's not writable and I can't remount it. # echo 1 > /file -bash: /file: Read-only file system # mount /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) # ...
2
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1answer
2k views

Linux filesystem of VM becomes crash or read-only at Citrix XenServer

I read some answers related to this problems. Will the OS crash if the system partition can't be access for a short period? But I cannot solve this problem. When using ISCSI as Storage Repository ...
2
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2answers
84 views

EXT3 File recovery after OS re-install

I know the probability of this is very low, but I have a 250G hard drive that I just reformatted and re-installed the OS on (centos, ext3). It turns out there was one large file (a 20G xen image) on ...
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2answers
75 views

System crashes after ext3_block_to_path

I have some soft which runs by cron. But once per day system crashes and only reboot helps. This is the latest log (/var/log/syslog) before crashing: Jul 31 05:00:01 T217 /USR/SBIN/CRON[22629]: ...
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2answers
7k views

Production-ready, highly reliable filesystems on Linux: ext4 ext3 XFS or JFS (or ZFS)?

The last real question I've seen on this topic is from about two years ago (is ext4 ready for production usage). In the intervening time, how has ext4 improved? XFS, JFS, and ext3 are the standby ...
0
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1answer
551 views

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 ...
2
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1answer
344 views

How to repair a ext3 filesystem other than fsck

Are there any specialized/preferred tools to repair a filesystem for ext3 (or ext4) other than fsck.ext3, fsck.ext4? Thanks
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1answer
2k views

How to increase filename size limit on EXT3 (on ubuntu)

The default limit of how long a filename can be on EXT3 is 255 characters. I have a unique requirement where I need much longer filenames (apparently because mod_rewrite of apache uses filenames for ...
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3answers
3k views

Convert an ext4 partition to ext3 without formatting the HDD

I would like to convert an ext4 partition to ext3 partition without formatting the HDD. Is this possible and recommended?
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2answers
1k views

Resizing lvm2 logical volume and file system: Exact sizes?

On my intranet server, I have a 100.00 GiB partition /dev/sda5, which I use as a physical volume for lvm2. It's the only physical volume in my volume group vg01. vg01 currently contains one logical ...
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2answers
789 views

VMWare with physical partions in a dynamic disk?

Background: Host OS is Windows Vista. Guest OS is Ubuntu VMWare can give direct access to a guest OS to a physical disk partition, so say my disk has two partitions, the first is NTFS and has windows ...
0
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1answer
141 views

HDD Partitionning on a live system under Debian and ext3

I have my server running under Debian using ext3. All the whole root is into a single main partition on a single hard drive. I would like to create a second ext3 partition on the same hard drive. So ...
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2answers
1k views

How do I force ext3 partition to the “error” state?

I have a script where fsck is called in case filesystem is in "error" state only. I'd like to tests it. Unfortunatelly I don't know how to force "error" state on ext3 partition. The only one idea I ...
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7answers
5k views

Good filesystem for 20TB hardware-controlled RAID5 array?

What's the best file system for Ubuntu 10.10 assuming the average filesize is 8-30GB with no more than 1-2 users accessing the array at any given time?
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3answers
4k views

Ext3 Keeps getting Journal Error and Becoming Read-Only

I have a RHEL5.5 x86_64 server with 2 HBA connecting to EMC and HP storage arrays. EMC PowerPath is installed because my EMC vendor insists on that. My problem is the volumes on HP storage often ...
0
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1answer
698 views

Joomla Editor not working after restoring mysql database

I've made a big mistake on one of my sites and I've deleted accidentally several files from our site's joomla directory. The database was Ok, so what I tried to do was to create a Joomla installation ...
0
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1answer
1k views

Problem fixing ext3 root file system using fsck on CentOS 5

When I run a read-only fsck on the mounted root partition of a CentOS 5 server, it finds a number of errors. However, running a forced check upon next boot does not find any! Here are the results of ...
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3answers
122 views

directories with two one dot (.) entries

I'm trying to clean up my lost and found, and I've managed to remove most things, but I'm left with "almost" empty directories, like: lost+found/#14042862: total 1324 dr---wx--- 2 76040 43010 ...
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1answer
2k views

Disabling journal on a mounted ext3

I'm shredding files on large ext3 file systems (e.g. see this article for how I do this). In order to achieve this I need to mount the ext3 file systems without journaling. To most of them I get by ...
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2answers
231 views

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 ...
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1answer
288 views

pvcreate on a ext3 partition, is it dangerous?

I know pvcreate a LVM physical volume usually on a LVM partition, but I do a pvcreate on a empty ext3 partition accidentally, is this dangerous, do I really need to repartition with LVM format on the ...
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4answers
386 views

Log file is missing, how can I see that and what happened to it

A process identified by process id 2147 is running, but its logfile is nowhere to be found. The filesystem is ext3 and 100MB of space remains. nothing went wrong in process 2147. An lsof of process ...
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3answers
100 views

ext3 Journalling

Does only the metadata get journalled in ext3 or does the data get journalled too?
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1answer
243 views

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 ...
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2answers
209 views

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 ...
2
votes
1answer
467 views

Why does my external USB hard drive refuse to unmount after transferring large tar files to it?

I recently need to transfer large tar files to an external USB hard drive from one Red Hat ES 5 server to another (neither with network connectivity). Originally I was trying to move ~90gig tar file ...
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2answers
936 views

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 ...
2
votes
1answer
908 views

25TiB for /home from 16TiB, what to do with ext3?

I have recently lvextend my logical volume (where /home is) from 16TiB to 25TiB. However, when I try to run extend2fs on my /dev/vtrak/home, it complains that resize2fs 1.41.12 (17-May-2010) ...
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4answers
2k views

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 ...
3
votes
1answer
422 views

rsync -a doesn't copy ext3 attributes

I just stumbled upon the fact that rsync doesn't preserve at least the ext3 "immutable" flag - while it should do so when using -a, IMHO. Quick test case: # touch testfile # chattr +i testfile # ...
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4answers
2k views

Easiest way to corrupt ext3 file system (for testing)?

I need to corrupt ext3 file system (for testing purposes) to some repairable state. How that can be done?
3
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1answer
300 views

How to determine how many times an ext3 file system has been mounted

A few months ago I created an ext3 file system on one of my partitions. I received the following message: "mkfs.ext3 /dev/sddx; system will be checked every 20 mounts or 180 days; use tune2fs -c or ...
0
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1answer
212 views

Unmounted root partition

My server running Debian lenny has just had a power cut recently and its come back up with the root partition in read only mode. I tried to remount the filesystem in read write mode with mount -n -o ...
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4answers
734 views

directory with 980MB meta data, millions of files, how to delete it? (ext3) [duplicate]

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 ...
0
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1answer
250 views

openiscsi initiator shared ext3 disk

i have an iscsi target disk with only one ext3 partition on opensolaris using comstar i also have two ubuntu instances with openiscsi initators that connect to that disk both instances have this ...
0
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3answers
592 views

ext3 optimization for 3D design /modelign (Maya 2011) in Centos 5.4 x64

Today i have been partitioning a 1TB hard disk where i want to install tomorrow Centos 5.4  x64 for use for 3D modelling,with Maya 2011. I created a 10 GB swap ( 8GB ran + 2) a 620 gb  partition for ...
0
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1answer
993 views

LVM+Ext3 - recover the ext3 partition?

I setup a new email server today and I did lvm for the main drive and then LVM for /opt. I realized I did not give myself enough room for /opt so I decided to try and extend it and I must of screwed ...
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2answers
2k views

how can i move ext3 partition to the beginning of drive without losing data?

I have a 500GB external drive. It had two partitions, each around 250GB. I removed the first partition. I'd like to move the 2nd to the left, so it consumes 100% of the drive. How can this be ...
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1answer
646 views

Silent e2fsck - safe to stop?

Before a grow on a 8 TB RAID5, I am currently doing an e2fsck. While the RAID was running w/o issues before (I switched from Ubuntu to CentOS 5.4 because I needed a specific hardware driver), the ...
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3answers
1k views

Surprising corruption and never-ending fsck after resizing a filesystem

System in question has Debian Lenny installed, running a 2.6.27.38 kernel. System has 16Gb memory, and 8x1Tb drives running behind a 3Ware RAID card. The storage is managed via LVM, and is ...
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1answer
233 views

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 ...
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2answers
342 views

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 ...
2
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1answer
1k views

Is it possible to enable online resizing after the fs was created?

I have an Ext3 filesystem sitting on an LVM volume group. The partition was formatted before online resizing was enabled by default. Is it possible to turn this feature on after the fact, like ...
0
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3answers
975 views

bash: loop over 20000 files slow - why?

A simple loop over a lot of files is half as fast on one system vs. the other. using bash, I did something like for * in ./ do something here done Using "time" I was able to confirm, that on ...
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1answer
2k views

Resizing ext2/3 partitions (including /usr) on a live system

I'm building a system with fairly limited disk space that will use LVM, and I'd like to be able to resize the partitions as freely as possible without bringing the system down. In particular, I'd ...