ext3 is the default file system for many Linux distributions.
1
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2answers
34 views
ext3 converted to ext4 still being mounted as ext3
I have a somewhat bizzare problem at the moment with my Debian-system (mainly testing).
I used to have a root-partition on lvm that was formatted as ext3.
I now booted a live-system and converted ...
0
votes
1answer
35 views
simple Linux alternative to Windows extpart to extend basic system disk without downtime?
On Windows there is Dell's extpart which allows one to extend a basic system disk (NTFS) of a running system without downtime. It looks like this:
C:\>extpart.exe
ExtPart - Utility to extend ...
1
vote
1answer
103 views
Hard disk error
There seems to be something wrong with my hard drive, but I'm not sure what, or how to proceed. The first sign of any problems was this:
I tried making a new directory on my server, but when I did ...
2
votes
1answer
47 views
Replacement raid1 drive is one block smaller. What to do?
Apparently once should always leave a bit of empty space at the end of each raid1 partition.
But if we're too late for that, what can be done if a replacement RAID1 drive is slightly smaller than the ...
0
votes
0answers
44 views
XenServer additional Local Storage : LVHD or Ext3
I've searched for a clear comparison between LVM (LVHD)-backed Local Storage and Ext3-backed Local Storage on XenServer, but to no avail.
According to http://innitec.wordpress.com/category/xenserver/ ...
1
vote
1answer
37 views
EXT3 with no (write) cache
I want to mount an ext3 filesystem with no caching at all, most importantly no write caches since I want everything to be flushed to disk right away. Can anyone share the needed flags for such a ...
1
vote
0answers
56 views
deleting files only frees space partially (ext3 / ext4)
I just did something similar to this:
$ du -sh /bigdata/stuff
1022G /bigdata/stuff
$ df -h /bigdata
Fileystem Size Used Avail Used% mounted on
/dev/sda5 1,8T 1,7T 140G 93% /bigdata
$ rm ...
1
vote
1answer
35 views
Moved data from an ext4 volume to an ext3 volume and it is consuming more space, why?
Just need a simple answer, did some searching and couldn't find it. What is the metadata overhead with ext3 as compared to ext4? I migrated a number of volumes from a SAN that was using ext4 volumes ...
1
vote
3answers
262 views
How to recover data from a corrupted ext3 partition?
A server of mine had a drive failure of some sort which caused the OS (CentOS 5) to crash and stop working (it refuses to boot).
So we put another drive with a working OS and from there we try to ...
3
votes
2answers
318 views
Should we mount with data=writeback and barrier=0 on ext3?
We've been running a server on a VM at a hosting company, and have just signed up for a dedicated host (AMD Opteron 3250, 4 cores, 8GB RAM, 2 x 1TB in software RAID, ext3).
While running performance ...
2
votes
3answers
64 views
How do you *tag* a partition as ext4?
I have an ext3 partition so when I do this:
mount /dev/blah /mnt/blah
it is mounted automatically as ext3. I can get it to mount as ext4 by running
mount -t ext4 /dev/blah /mnt/blah
and it ...
1
vote
3answers
119 views
If I upgrade an ext3 fs to ext4, will it automatically increase the maximum amount of directories per directory?
Due to an external unavoidable situation*, I need to have more than 32k directories in a directory (but as far as I can tell, less than 64k). I'm hitting the limit of ext3. I presume the original ...
3
votes
2answers
127 views
Failed volumes on RAID - how to handle?
I've got a situation on a RAID that I've taken over responsibility for recently and really could use some advice. I hope I haven't mucked it up to much.
A couple server on the ad-hoc cluster I'm ...
0
votes
1answer
90 views
Why is kjournald extremely active on a mostly quiescent filesystem?
Note: This is a "documenting my process" question that I'll be writing an answer to. Happily, serverfault already helped me solve this, because writing up my situation so others would be able to ...
0
votes
1answer
93 views
SLES 11 recommended filesystem
We are upgrading some servers from SLES 10 to SLES 11 and I just saw that ext4 is not supported. Should I move to XFS or keep ext3?
I will be moving the programs and databases to a new VM so ...
0
votes
0answers
34 views
Restoring .ibd file from a formatted ext3 partition
I'm trying to find an IBD file (InnoDB tablespace) signature for PhotoRec utility http://www.cgsecurity.org/wiki/Add_your_own_extension_to_PhotoRec ; ...
0
votes
0answers
21 views
repair or recover corrupted inode information [duplicate]
Possible Duplicate:
Recover ext3 files from hard disk with bad sector
I found out the inode information of the most important directory of my server was corrupted, and I couldn't access its ...
1
vote
0answers
58 views
recover corrupted directory from ext3 partition
It's my mounted directory that i want to restore folder ostani. it's containt many php, css, js and etc files. how can i access. I use dd_rhelper for create an image and try to fsck to repair it. but ...
2
votes
1answer
188 views
Recover ext3 files from hard disk with bad sector
I have a folder of about 5GB that suddenly disappeared. When I checked its hard disk, I found out it has bad sector for about 2-3MB on this folder. Maybe it is on the folder's pointer.
The partition ...
0
votes
1answer
104 views
Debian - move partitions to a new drive
I have a XenServer6 VM with Debian Squeeze 64bit and only 1 partition /dev/xvda1 95 GB + linux partitions:
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 95G 63G ...
4
votes
1answer
137 views
rsync copies unmodified files between different file systems
I try to synchronize files between two machines using rsync, but it seems to copy all the files regardless file modification time. Two consecutive call of the command produces the same results, so it ...
1
vote
0answers
121 views
LVM failure recovery
We have an server PC with "intel matrix storage manager" raid (or maybe 'fake' raid) controller. Firstly there were one RAID-1 with two equal seagate disks of 1TB size. We've installed ubuntu server ...
-3
votes
2answers
313 views
Copy past speed very slow for a large number of files on Windows
I've run the following test I've created a folder containing 15'000 files of 400 bytes using this batch :
@ECHO off
SET times=15000
FOR /L %%i IN (1,1,%times%) DO (
fsutil file createnew ...
9
votes
2answers
483 views
Is post-sudden-power-loss filesystem corruption on an SSD drive's ext3 partition “expected behavior”?
My company makes an embedded Debian Linux device that boots from an ext3 partition on an internal SSD drive. Because the device is an embedded "black box", it is usually shut down the rude way, by ...
3
votes
3answers
113 views
one 16K random read I/O issues 2 scsi I/O (16K and 4K) requests in linux
I noticed weird issue when benchmarking random read I/O for files in linux (2.6.18).
The Benchmarking program is my own program and
it simply keeps reading 16KB of a file from a random offset.
I ...
0
votes
1answer
66 views
Why would an ext3 filsystem be rolled back on a Debian VM running in VirtualBox after loss of power to the host
A Debian Virtual machine runs as a Guest VirtualBox VM. It's filesystem is EXT3. The host system loses power and after booting up the host system and guest VM, I find that the VM's filesystem has been ...
-1
votes
3answers
83 views
Will the data be deleted when resizing a partition [closed]
I'm planning to resize one of the server partition from 40GB to 1900GB.
The current partition has files on it while the space to be added is unallocated.
Will my existing files be deleted?
Any help ...
4
votes
2answers
682 views
How can I track down the cause of ext3 filesystem corruption?
We have a VMware vSphere 5 environment running CentOS 5.8 virtual machines. In the past two weeks we have had five incidents of virtual machines having a filesytem become corrupt, requiring an fsck to ...
6
votes
3answers
203 views
DRBD configuration
I was going through the configuration of DRBD on two nodes. The DRBD has already configured, but I would like to enable the dual primary mode feature.
On drbd site I have seen that it requires the ...
0
votes
0answers
8 views
blocked FC remote port time out: saving binding [duplicate]
Possible Duplicate:
RHEL - blocked FC remote port time out: saving binding
My Server went into a faulty state since the database could not write on the partition. I found out that the ...
-2
votes
1answer
1k views
RHEL - blocked FC remote port time out: saving binding
My Server went into a faulty state since the database could not write on the
partition. I found out that the partition went into Read Only mode. Finally to
fix it, I had to do a hard reboot.
Linux
...
1
vote
3answers
135 views
Compact Flash mounted Read Only
I have a board, running linux (RedHat, kernel: 2.4.32). The board has been up and running since long time. However suddenly, some errors are being observed in the logs, and the Compact Flash (present ...
2
votes
3answers
289 views
Unable to list contents/remove directory (linux ext3)
System is CentOS5 x86_64, completely up to date.
I've got a folder that can't be listed (ls just hangs, eating memory until it is killed). The directory size is nearly 500k:
root@server ...
0
votes
1answer
427 views
Solaris support for ext4/ext3/btrfs
Does anyone know if Solaris 11 (Sparc version) supports mounting ext3/ext4 or even better Btrfs volumes ?
Most of the topics I find on the web are quite outdated (2006/2007) and reference old ...
3
votes
1answer
508 views
Mounted filesystem / changed to read-only
This is how / should be mounted
mount
/dev/md0 on / type ext3 (rw,errors=remount-ro)
but in fact, it is mounted read-only because of unknown reason so far for me.
cat /proc/mounts
/dev/md0 / ext3 ...
1
vote
1answer
104 views
LVM striping bottleneck
So, I have a server with a 3.5TB mysql database with innodb file for each table. It has 24 2.5" 10K HDs in 4 disk RAID 10 groups attached as 1TB datastores via vmware ESXi. All 6 are LVM striped into ...
1
vote
3answers
222 views
Shredding data on a live server
Which is the best way to shred all data from a live dedicated server?
I have no physical access nor any out of band remote management functionality to the server, only SSH access.
Server is running ...
1
vote
1answer
139 views
optimizing ext[234] for small file throughput
I have a system that has a high throughput of small files on disk, i.e. a huge number of small files are created, written and deleted within seconds.
Are there any reasonable ext2/ext3/ext4 mount ...
0
votes
1answer
350 views
Message: mkdir() [function.mkdir]: Too many links
We run a web application as a production. Some days ago I discovered the error signed in subject of this theme. I know what's the problem, but want to ask, what is right way for resolve this? Yes, we ...
2
votes
4answers
140 views
Data consistency with RAID 5 and BBWC
I have a few questions about RAID 5, BBWC (Battery Backed Write Cache), filesystem (ext3) and optionally mysql.
I have a hypothesis and I ask Server Fault community to validate or not this one:
-The ...
4
votes
1answer
702 views
Online resize of large ext3 file system - is performance affected?
I am planning for a resize of a rather large file system hosting an Oracle instance (one of several on the same server). The disk is 4 TB striped over several LUNs, I'm increasing by 1 TB keeping the ...
1
vote
2answers
2k views
Does CentOS 5.x support ext4?
I believe the default OS file system in CentOS 5 is ext3.
Is it possible to use ext4 on Centos 5.x, or only on 6.x? Can I upgrade an existing ext3 filesystem to ext4?
3
votes
2answers
264 views
Ext3 Stride/Stripe-Width Calculation for 3-Disk Software RAID1E
For reasons too complex to get into here, I'm using a 3-disk RAID1E on some linux systems. See here for more info on that.
So my understanding is that for optimizing filesystem layout on this ...
5
votes
1answer
706 views
Why is ext3 so slow to delete large files?
I have a server, which makes an incremental backup of a system every night. Now on saturdays, there is a full backup. But after the full backup has finished, a script kicks in, that deletes the ...
0
votes
0answers
57 views
What causes newlines to be stripped when a buffer is flushed to a full ext3 partition?
We noticed this when we got disk full problems on our log partition. The resulting log files would have many lines concatenated together as if newlines were being stripped. A single line would be ...
3
votes
3answers
586 views
Journaled filesystems and power failure
I heard that even a journaled filesystems such as EXT3/EXT4 might corrupted during power failure, e.g. from wikipedia [1]:
In the event of a system crash or power failure,
such file systems are ...
5
votes
1answer
347 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 ...
2
votes
2answers
615 views
MySQL InnoDB ext3 block size
I'm looking for recommendations for ext3 filesystem block size for MySQL 5.6 using InnoDB.
Running a CentOS 5.4 VM in VMware ESXi 5, VMFS 5 datastore on NetApp FibreChannel LUNs (which have 4k chunk ...
0
votes
2answers
290 views
File system for a lot of small files
I'm using NetApp device as a NAS storage. I have a lot of small files (30-60k) and dirs. For example I have: 30000 dirs with another 1000-2000 dirs.
A lot of dirs are empty, but most of them have ...
1
vote
0answers
356 views
Debian package performance on XFS, btrfs, ext3, ext4
I did 4 clean installations of debian 6 and measured time of installing some average virtual package. FS options are default.
time apt-get install build-essential
I got very strange results ...
