Questions tagged [xfs]

XFS is a file system originally for SGI's IRIX OS, but is now available for Linux. It is known for handling large files and large file systems well, one of the few Linux file systems that can handle partitions over 16.8TB.

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39 views

High avgqu-sz & utilisation on madadm RAID 0 in AWS EC2 I3.8x large instance

I have an AWS EC2 i3.8xlarge with 4x1.9TB ephemeral storage volumes tied in mdadm RAID-0 (Yes, RAID 0) with XFS file system mounted using noatime and inode64 options. I am running an IO intensive ...
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Issue with removing LV disk space that was extended from another disk

I have a redhat server with two disks 100gb and 500gb. The 500GB disk was unused, however I then used it to extend the /var LV. The filesystem on all mountpoints are xfs and you actually can't reduce ...
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24 views

Ways to make a backup on RAID5 filesystem (mdadm) with many files

I have a NAS containing RAID5 array (5.4TB in total, 2.9TB in use) using mdadm. Now I plan to modify some hardware of it (especially SATA controller), so I'd like to have a whole backup of this RAID5 ...
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37 views

`fio` does not timeout even specified?

# fio --name=random-write --directory=/mnt/test/ --ioengine=posixaio --rw=randwrite -bs=4k --numjobs=1 --size=4g -iodepth=1 -runtime=600 --time_based --end_fsync=1 random-write: (g=0): rw=randwrite, ...
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Bad docker (build) performance on encrypted mdadm RAID5 with XFS filesystem

We use a XFS filesystem on top of an mdadm RAID5 array on our server. The RAID iteself accesses the disk via LUKS mapper devides. The following sketch shows our setup: DISK1 -- LUKS -------| ...
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1answer
115 views

Failed to Partition a 10TB HD?

Before I tried to partition a 10TB HDD again, parted saw it: # parted /dev/sdb (parted) print list Model: ATA ST10000NM0016-1T (scsi) Disk /dev/...
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Convert ext4/xfs file system to btrfs with minimal application impact

I'm trying to find a way to convert the file system of app servers (some of which run ext4 and some xfs) to btrfs. Preferably, I'd like to do this without needing to turn off the services. So far I've ...
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197 views

I can't mount with mount -a for error wrong fs type, bad option, bad superblock but I can mount manually

I usually use UUID to mount my devices, because I use a lot of external ones and so I control it better. But when I want to mount partitions formatted with XFS I have problems Generally this works for ...
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218 views

Does LXC support XFS filesystem?

I am working on my local system and I want to run both docker and LXC containers. Docker provides storage options that only works with XFS to limit the storage volume inside containers. But that ...
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185 views

xfs: can't read superblock

I get the following error: [root@mediaserv ~]# mount /dev/mapper/media1 /media mount: /media: can't read superblock on /dev/mapper/media1. This is Fedora 33. I have a RAID5 of 8x 8TB WD Red drives ...
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347 views

How to force re-read XFS file system contents

In our computing cluster we have set up a simple but quite effective way of serving data to computing nodes. The storage system provides to luns that are merged with LVS and on top of that we build a ...
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28 views

No partition table required?

I was surprised to find two of my environments had different setups. One has a DOS partition style, while the other does not appear to have any kind of table defined whatsoever. I'm sort of familiar ...
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38 views

between ex4 and XFS which is better for large small files [closed]

Between EXT4 and XFS which file system is better when an application uses multiple threads to read/write large amount of small files on a SSD. From what I read In general, Ext3 or Ext4 is better if ...
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35 views

df differs from du a lot, nfsd service seems matter

I know there have been a lot of discussion on the df/du discrepancy topic. But here I’d post a special issue and ask for some hints. here is the detail( with a hardware raid5 with 6 sas disks) system ...
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2answers
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AWS XFS performance issues. Stripped setup vs single disk setup

I wanted to share an issue (I guess I may be misunderstanding some concepts) that I'm facing with some benchmarks I'm doing to XFS setups, as we are going to recently migrate a service to a new ...
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XFS only using first allocation group despite inode64 mount option

Background: we've been seeing incredibly slow performance allocating files, on a system that creates many small files on a 25T disk. We found from http://xfs.9218.n7.nabble.com/1B-files-slow-file-...
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114 views

Cannot mount XFS volume on Hetzner vps

After a volume a resizing i cannot mount an attached volume on Hetzner cloud vps root@MONITOR-BACKUP /mnt # mount -o discard,defaults /dev/disk/by-id/scsi-0HC_Volume_1552045 /mnt/BACKUP-STORAGE mount: ...
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24 views

Expand XFS encrypted block device with no LVM

I need to expand my LUKS encrypted XFS volume but I'm not sure where to start as this is about a non-LVM device, its a simple block storage from a cloud provider that I extended from 150GB to 200GB ......
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2k views

How to change the file system of a partition in a RAID 1?

First, sorry if the question has already been asked and correctly answered, I did not find anything that satisfies me. I rent a dedicated machine in a datacenter, the machine run with a Debian 10 and ...
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114 views

Move xfs journal from internal to external without losing data

I have a big XFS filesystem containing about 3TB of data. This runs on some network device at our virtual server provider. We created it with the default settings, thus using an internal journal. ...
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xfsrestore hangs after performing restore while reading dump from stdin

SuSE Linux Enterprise Server 12.3 (yeah, I know it's old) We have a couple large XFS file systems that we backup using xfsdump. What we do is to use xfsdump to write the dump to stdout and pipe it to ...
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XFS inodes not neessarily unique?

(Debian 10.5, kernel 4.19.132-1 ) My understanding is that inodes are unique on a given filesystem, and indeed if we look at man inode we get the following assertion: Each file in a filesystem has ...
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360 views

Ubuntu with XFS blocked for more than 120 seconds

Im running ubuntu 16.04 with an XFS file system volume. Its running on Google cloud. This Disk is a Local SSD. It is used for MongoDB. A few days back my Primary and Secondary both are frozen from IO. ...
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How to cleanly kill a stuck docker service?

Working with a Centos7 with 3.10 kernel, docker 19.03.12. Eventually, one of the docker images got full and wrote the entire /var/ mount to 100%, crashing both the docker service and the running ...
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RHEL + OS with XFS file system while adding additional partition with diff definition

We have the following disk - sda ( in server production - very important server ) sda is the disk of the OS ( rhel 7.2 ) , and file system is xfs sda is physical disk Xfs created with - mkfs.xfs -f -...
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Docker installation on RHEL 7.2 and file system requirement

We have old RHEL machine version 7.2 And we prepare to install docker service on this server The problem is that server's filesystem was created with ftype=0 parametre and docker requires ftype=1 One ...
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1answer
245 views

Confirming parameters for XFS filesystem and LVM volume striping over 2 ADAPT (RAID6-like) volumes

We are setting up an ADAPT0 (RAID-60-like) configuration for a file server. We have six disk pools. Each consists of 14 disks and is set up using ADAPT. According to Dell's official white paper, ADAPT ...
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2answers
452 views

How to best use large NVMe array for VMWare Datastore

I recently acquired a Supermicro SYS-1029P-N32R with 16 14TB NVMe SSD's (Micron 9300 Pro) at work. We have 100 gigabit networking on the box to our VMWare hosts. We've tried using FreeNAS to host ZFS ...
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Folder in Ubuntu Became a File and the other Show Question Mark in Owner/Group

I encountered a very weird issue, appreciate if someone could help. One of my folder stored in a LVM2 XFS filesystem (mdadm RAID6), silently became a file and a folder showing question mark on both ...
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1answer
187 views

Check XFS project quota on NFS client

I am implementing project quotas on a file server (Centos 7.8.2003) that has data volumne formatted using XFS. File access to this server will occur using NFS. I know how to check user quotas on the ...
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Linux XFS partition could not be mounted (can't read superblock) due to suddenly power shutdown, xfs_repair: read failed: Input/output error

After suddenly shutdown, my home directory which is a XFS partition could not be mounted and I can login to system by my account. But I can login with root account (because root and home directories ...
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1answer
275 views

Why does active-active configuration degrade performance compared to failover?

We are setting up the new storage for an HPC compute cluster that we are managing for applied statistics, bioinformatics, and genomics. Configuration We have the main enclosure with a Dell EMC ME4084 (...
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591 views

I can mount a samba share from windows and see what it holds but cannot create files or directories

[Newbie warning! this is my first time setting up Samba. I'm almost there but...] Server is running Centos 8, Samba V4.10.4 Shared filesystem is xfs, I have enabled extended attributes and tested ...
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35 views

Find deleted files and directories in XFS without using XFS_DB

Is there another utility that can be used on an XFS file system that does not require the file system to be unmounted. If have a live server, but I don't want to take it off line and only want to ...
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49 views

Organizing millions of files in ftp with btrfs file system

I have FTP that should handle about 1 million files if not more. file sizes are variable between 1MB to 100Mb but the have average of 30MB. We have about 1000 resources and hundreds of thousand site ...
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72 views

MDADM Raid10 event mismatch after restart

I made a raid10 with 8x8TB drives the file system on it is XFS. I never had any issue with it. The raid is configured as near2 and internal bitmap. The drives are connected to a LSI-9211-8i in HBA ...
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978 views

extending a LVM partition > 2TB on Fedora 31 to use all unallocated disk space

We have a Dell R420 with the Perc H710 Mini that was configured with 3 1TB drives in a RAID 5. I added another 1TB drive and thanks to a little help from the Dell discussion board, the RAID 5 ...
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85 views

repair file system by edit the fstab file

is it possible to run xfs repair by re-edit the fstab file? /dev/mapper/vg-linux_root / xfs defaults 0 0 UUID=7de1dc5c-b605-4a6f-bdf1-f1e869f6ffb9 /boot xfs ...
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380 views

After reboot of CentOS Linux release 7.7.1908 (Core)server ,it stopped xfs support

After reboot of CentOS Linux release 7.7.1908 (Core)server ,it stopped xfs support and throws below error mount: unknown filesystem type 'xfs' #lsmod | grep xfs is not showing anything and #...
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Ext4 vs. XFS vs. Btrfs vs. ZFS for NAS [closed]

My use case: I have Ubuntu Server 18.04 installed on an M.2 SSD. I have a 4TB HDD I want to add as storage. Since it's mostly for large media files and backups, it won't be written to very often. ...
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2k views

Pod stuck on ContainerCreating due to FailedMount

I have a sporadic issue specifically with big volumes (~2TB) where the pod in my Kubernetes cluster is stuck on "ContainerCreating" with the reason : failed to mount the volume as "xfs", it already ...
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168 views

mkfs + xfs + what is the right mkfs cli in order to create xfs file-system on huge disk

We need to create xfs file-system on kafka disk The special thing about kafka disk is the disk size kafka disk have 20TB size in our case I not sure about the following mkfs , but I need advice to ...
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95 views

shrink LVM (not XFS) to use for guest nodes (KVM)

I have /homemountpoint (Type=LVM). how can I reduce/home` from 418G to 200G and use remaining disk space for guest(KVM) Node? because XFS can not be shrunk (). localhost home]$ lsblk NAME ...
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google cloud resize partition

New Cloud Compute VM instance with the Centos 7 image. Even though I picked 100GB disk size the Centos image had 10GB boot disk. I have tried extending the /dev/sda2 to utilize the unused space but so ...
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1k views

Can't grow XFS file system on Amazon EC2

I added some space to an EBS volume on an Amazon EC2 but tried growing the partition before it had finished optimizing the disk and making all the space available. Now I can see the correct drive size ...
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4k views

Newly created XFS filesystem shows 78 GB used

We have a 12 TB RAID 6 array which is supposed to be set up as a single partition with an XFS file system. On creating the new file system, it says it has 78 GB in use, but there are no files on ...
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1answer
273 views

Why does XFS uses lvm cache chunk size instead the raid5 setup for sunit/swidth

I have 4 disks available on my virtual machine for testing sdb, sdc, sdd, and sde. The first 3 disks are used for a RAID5 configuration, the last disk is used as lvm cache drive. What I don't ...
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87 views

Quota on filesystem mounted via SSHFS

On client C, a directory from server S is mounted via SSHFS (authenticated as user U). The relevant filesystem on S has a quota set. How can a user on C see her quota? The quota command run on C ...
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5k views

XFS with No Barrier Mount option deprecated

I tried to perform SQL Server database restore with xfs filesystem and barrier=0 in Azure cloud environment. It performs restore of some 15GB data in around 8 minutes. I heard this option is getting ...
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linux filesytem options for vmware esxi nfs datastore

I want to use linux based NFS datatstore in vmware esxi 6.5 .Which linux file system is best suited for this prurpose ? I tried xfs,but it has defrangementation issue mentioned here https://blog....

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