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2
votes
3answers
28 views

How can I modify the wtime of ext filesystem

How can I modify the superblock of an ext filesystem so that I can set the field wtime (Last write time)? I've tried with debugfs: debugfs 1.42.9 (4-Feb-2014) debugfs: open /dev/sdd2 -w debugfs: ...
0
votes
1answer
89 views

LVM volume mapped block device size is 0

I'm having a problem with my LVM volume. I lost a disk out of my RAID array, and started in in degraded mode. Now when I try to access 2 of the LVM volumes, they report a block size of 0. Does anyone ...
3
votes
1answer
127 views

ext2 to ext4: Convert/upgrade or create new

We have a filesystem, on LVM, created as ext2 - and in daily use running 8-10 webservers (software, tempfiles, logfiles). The discs are "local" to the OS, but are really SAN disks provided to the ...
1
vote
1answer
399 views

Online resize of ext2 - Bug?

An ext2 filesystem can be resized - as long as the underlying block device can be resized - but not ONLINE. However, as another posting of mine has showed, if the ext2 filesystem is mounted as ext4 ...
2
votes
1answer
288 views

ext4: Online resize not detected

On a RedHat 6 server, we ran into an issue with online resizing of an ext4 filesystem. With only /dev/sda we had 13GB available in the volume group, but needed 20GB more on one logical volume which ...
0
votes
1answer
167 views

rsnapshot ext4 to ext2 input output error

When making a rsnapshot backup from a ext4 to a ext2 filesystem, about 90% of the files cannot be opened and produce Input/Output errors. When the target is ext4 too, it works flawless. Any ideas ...
2
votes
1answer
249 views

Backup SD ext2 partition

I have a Sheeva plug running ArchLinuxArm from SD card and I'd like to backup the SD card so I can restore everything in case something goes wrong. I'd prefer to create an archive file ...
0
votes
3answers
2k views

How do you mount a RAID1 disk as a normal disk

I'd like to copy data off a disk (EXT2) that's part of a RAID1 mirror (Linux software RAID). When I try to do a manual mount of the disk is complains that it's part of an array. Is there a way to ...
5
votes
3answers
716 views

Where is my space on /var being used?

I'm a novice linux admin and now responsible for the OS of a 3 node Tomcat cluster. (Tomcat is handled by the DEVs luckily.) I got alarmed by our monitoring solution that /var on server01 has only ...
0
votes
1answer
575 views

ext2 file system and Solaris 10

I have Solaris 10 installed on computer and I have USB flash drive with ext2fs partition. I want to mount flash drive and do this: 1) Download FSWpart and FSWfsmisc packages 2) Install: root~#gzcat ...
1
vote
3answers
193 views

ext2 dump/restore problem

I am running a mailserver with maildir storage. This means that quite a lot of files are created and I have just run out of inodes. AFAIK there is no magic command to increase number of inodes on ext# ...
3
votes
1answer
1k views

Optimizing ext2 filesystem for use on LVM + RAID device? Stride, stripe-width, LVM IO size considerations

I'm building a new database server and am trying to make sure I have the setup as correct as possible. The database storage is 22x 15.7k RPM Western Digital SAS drives in RAID10, in an external SAS ...
2
votes
1answer
491 views

NFS share: no space left on device

My setup consists of a server, running Ubuntu 10.10, and a device, running a customized Linux. The device gets its kernel and mounts its root filesystem from the server using TFTP and NFS, ...
1
vote
1answer
120 views

inodes and tree-depth in ext2

I have an ext2 filesystem with a maximum number of inodes per directory (somewhere around 32k), and also a maximum number of inodes in the entire filesystem (somewhere around 350m). Because I'm using ...
0
votes
1answer
221 views

Which file systems do support file locking

I want to use PPSS link text According to the manual, PPSS should be used on a file system that supports file locking. I assume that EXT3, EXT4, JFS, XFS, NTFS do support file locking, but I'm not ...
1
vote
1answer
263 views

mkfs fs-options for ext2 loopback device for backup

I'm looking to create a loopback device for local temporary backup storage. This will be used to store ~1000 files in ~20 directories. I understand I'd need to use the mkfs command along the lines ...
1
vote
3answers
181 views

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 ...
2
votes
4answers
208 views

Is it a good idea to let files grow above 2GB in ext2?

I'm working on a program that needs to run on a Linux distro with an ext2 filesystem. This program will write files which may become very large. I notice that ext2 has a maximum file size of 16GB to ...
2
votes
2answers
951 views

Ext2-fs error which crops up monthly or sometimes weekly

I have an extremely strange error message which causes a complete system crash and remount of the filesystem as read-only. It all started ages ago when I installed a dodgy $2 ebay PCI modem and there ...
5
votes
2answers
4k views

How do I mount ext2 or ext3 filesystems on OSX?

I would like to mount an ext2/3 filesystem on a mac running 10.5.
3
votes
3answers
5k views

How to boot Linux from a 16gb USB flash drive

I'm trying to install Linux on a single partition of a USB flash drive that's larger than 4gb. The first place I went to is http://pendrivelinux.com. I can follow these instructions for installing ...