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2
votes
3answers
24 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
72 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
122 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
324 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
267 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
240 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
690 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
551 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
190 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
465 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
118 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
209 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
261 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
180 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
206 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
911 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
3k 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 ...
1
vote
4answers
3k views

Mount Ext3 from external drive in Vista [closed]

How can I access data from Ext3 partition on external (USB) HDD from Windows Vista box? Or even better from Linux running inside VirtualBox on Vista host. I'm interested in read, won't need to ...