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5
votes
3answers
230 views

What filesystem metadata operations are actually journaled in ext4 & xfs?

I can't find a simple, straight answer about which filesystem metadata operations are actually persisted to the ext4 & xfs filesystem journals. Note that I am not inquiring about what POSIX ...
2
votes
0answers
406 views

Unable to mount XFS volume after reboot - unknown filesystem type 'xfs'

I have an aws ec2 instance that's been running Ubuntu 12.04 for a good long while. It has attached to it an EBS volume formatted with xfs. Today after a reboot, I'm unable to mount this volume. ...
2
votes
0answers
153 views

DMX problem with fonts

I have problem with fonts in xdmx: I am starting new X startx -- /usr/bin/X11/Xdmx :1 -display 192.168.0.104:0 -fontpath tcp/192.168.0.102:7100 (II) dmx: Generation: 1 (II) dmx: ...
1
vote
0answers
21 views

Unmount nested mounts not working after unmounted root of nest

I have a XEN Server, which I can't reboot. My boss has filesystems mounted as such strange way: /mnt/hda1/hda2 Then he unmounted them as such umount /mnt/hda1/ Now he can't unmount hda2 anymore. ...
1
vote
0answers
30 views

How is default readahead value determined

I have two different devices running XFS and the default readahead value set differs between the two disks. Why is that ? How is the default size computed ? Is it device dependent ? I might also add ...
0
votes
0answers
31 views

xfs_quota Quota always zero

I run this command: xfs_quota -x -c 'report -h' /eamorr/home Here is the output User quota on /eamorr/home (/dev/mapper/mpathe) Blocks User ID Used Soft ...
0
votes
0answers
53 views

XFS Tracing with Ftrace

I use a disk drive formatted with xfs.My OS is Ubuntu Server 12.04 LTS (kernel 3.11.0-22-generic). I would like to use ftrace (e.g.,trace-cmd record -e xfs\*) but under ...
0
votes
0answers
155 views

Fixing permissions on a buffalo NAS (XFS via SMB)

I have a Buffalo dual harddrive NAS and plugged one of the drives directly to an SATA port to speed up the file transfer (100 MBit is a 'bit' slow when transfering 2 TB of files). I used a live Ubuntu ...