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Questions tagged [xfs]

XFS is a scalable, high performance journaling file system from Silicon Graphics, later ported to Linux.

XFS is a scalable, high performance journaling file system from Silicon Graphics, later ported to Linux.

Not to be confused with extensions for financial services, sometimes called XFS by those that use it.

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Storing & accessing up to 10 million files in Linux

I'm writing an app that needs to store lots of files up to approx 10 million. They are presently named with a UUID and are going to be around 4MB each but always the same size. Reading and writing from/to these files will always be sequential. 2…
hookenz
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Directories created by boost::filesystem::create_directories() not immediately accessible?

I am using boost::filesystem::create_directories() to create new directories. When I try to access these directories shortly after creation, I get an error saying: no such directory. But if I sleep for a while after creating directories everything…
polapts
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How to resize root partition online , on xfs filesystem?

when I am trying to extend the root partition , using below method [root@oel7 ~]# resize2fs /dev/root_vg/root resize2fs 1.42.9 (28-Dec-2013) resize2fs: Bad magic number in super-block while trying to open /dev/root_vg/root Couldn't find valid…
pathak.pk
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How to display the values from structures in C# from C++

abc.h file typedef struct sp_BankNoteTypeList { int cim_usNumOfNoteTypes; struct sp_notetype { USHORT cim_usNoteID; CHAR cim_cCurrencyID[3]; ULONG cim_ulValues; bool cim_bConfigured; …
TechBrkTru
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XFS No space left on device

I have a server setup of an XFS partition on LVM. While copying files to the home partition, "No space left on device" is displayed. df -h displays sufficient space: /dev/mapper/prod--vg-home 35G 21G 15G 60% /home df -i also displays…
Purf
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XFS grow not working

So I have the following setup: [ec2-user@ip-172-31-9-177 ~]$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 80G 0 disk ├─xvda1 202:1 0 6G 0 part / └─xvda2 202:2 0 4G 0 part /data All the tutorials I find say to…
Jammer
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How to enable compression for XFS file system on centos5.5?

I am using file system type as "XFS" and i want to enable compression for XFS-file system. I surfed through the net but i couldnot found related data. If anyone aware of the compression for XFS-file system please let me know.. Thanks Guys,
kumar_88
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How to get more Disk performance in Google Cloud?

One of the volumes for one of our (Ubuntu 16.04) Google Cloud VM's is at 100% disk utilization pretty much all the time - here is a 10 second sample plucked at random from the system: iostat -x 10 Device: rrqm/s wrqm/s r/s w/s …
rotten
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Race condition while moving files on Linux

Suppose I have two scripts. The first one puts (with mv command) some files into a directory, the second one checks the directory once in a while and processes the files. The situation I'm concerned about is when the second script starts processing…
nab
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How to set Docker Backing Filesystem to XFS?

I'm having difficulty setting up Docker to build a container with the XFS Filesystem. My Storage Driver is correctly set to overlay2, but my Backing Filesystem is extfs. Is there something I would specify for storage-opts in my docker daemon file?
Nick
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What updates mtime after writing to memory mapped files?

I'm using XFS on Linux and have a memory mapped file to which I write once per second. I notice that the file mtime (shown by watch ls --full-time) changes periodically but irregularly. The gap between mtimes seems to be between 2 and 20 seconds…
John Zwinck
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Xfs file size, inode size and block size

ll /srv/node/dcodxx/test.sh -rw-r--r--. 1 root root 7 Nov 5 11:18 /srv/node/dcodxx/test.sh The size of the file is shown in bytes. This file is stored in an xfs filesystem with block size 4096 bytes. xfs_info /srv/node/sdaxx/ meta-data=/dev/sda …
user2887201
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Extend GlusterFS on top of LVM

I need to add more space to one of our gluster volumes. The volumes are replica 2 and sit on top of an LVM. The file system is XFS. The current size is 4TB and I want to resize to 6TB. The LVM has enough Free PEs on both replica servers. ---…
raidlman
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Intel NVMe drive Performance degradation with xfs filesystem with sector size other than 4096

I am working with NVMe card on linux(Ubuntu 14.04). I am finding some performance degradation for Intel NVMe card when formatted with xfs file system with its default sector size(512). or any other sector size less than 4096. In the experiment I …
Christina Jacob
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Small file not committed to disk for over a minute

I have an embedded Linux app that writes to a file at a fairly slow rate (50 bytes/s or so). The file is on a hard drive, XFS filesystem. The file is being written to by calling write(), not fwrite(). If I power-cycle the system and check the file,…
gimmeamilk
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