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4
votes
2answers
243 views

Restrict file access to append only

I have a directory with log files and I'm putting logs from script launched by users into them. Logging with syslog doesn't seem possible in this case. (non-daemon rsync) I want the users to have ...
0
votes
1answer
1k views

File system jfs/btrfs/xfs/ext4

I was looking into some of the requirement, where huge amount of recursive files are written and deleted and looking forward if any FS (file system) as such gives advantage on others. I am trying to ...
1
vote
2answers
229 views

xfs quota not reliable

I have enabled quotas on an xfs-partition. But it seems to be broken: $ echo asdf >/disk/l/data/avi/foo -su: /disk/l/data/avi/foo: Disk quota exceeded $ quota -f /disk/l Disk quotas for user avi ...
3
votes
1answer
942 views

What is the difference between a symlink and binding with fstab?

In Eric Hammond's article Running MySQL on Amazon EC2 with EBS he shows how to add a second drive (/vol/) and then progresses to move mysql's config and data there. /sdh gets mounted as /vol by ...
3
votes
1answer
98 views

Copying a file that is written at the same time

This related question can't solve my exact problem, so I'm writing a similar question. My scenario is the following: a program (run by wine) writes to a file sized about 10-500 KB. About 1 KB ...
5
votes
2answers
321 views

xfs disk usage is 15-30% bigger than the files

xfs seems to use 15-30% more disk space than the files require: # du 0 . # dd if=/dev/zero of=test bs=1M count=5k 5120+0 records in 5120+0 records out 5368709120 bytes (5,4 GB) copied, 10,527 ...
3
votes
1answer
385 views

Is xfs_fsr safe to interrupt?

Is it safe to interrupt (Ctrl-C) a long running xfs_fsr job? I'm attempting to defragment a very large XFS volume.
4
votes
1answer
245 views

Resizing logical volume with no free extents but with free disk space

I have a 7.9 TB logical volume formatted with XFS filesystem. I have 8 1 TB RAID devices as physical volumes, and 1 volume group that contains all of these devices. I have 2.5 TB free space on my ...