92 questions
0
votes
1
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18
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Generic/multi-FS alternative to the XFS_IOC_RESVSP64 ioctl?
The XFS filesystem has (or used to have) a IOCTL named XFS_IOC_RESVSP64 for reserving space: You called it with a given file descriptor, and the XFS driver reserved an amount of space use by for your ...
- 136k
0
votes
1
answer
117
views
Why doesn't Selenium start?
I'm trying to start Selenium (4.13.0) on an Ubuntu (20.04) server as a Docker container. The hard drive is formatted with xfs and quota is enabled. The container stops immediately with an error.
The ...
- 17.3k
1
vote
0
answers
192
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Where can I find J/XFS SDK for download?
I need to develop a XFS SPI for a device that will run over J/XFS standard. I already developed a SPI for XFS as a DLL written in C, but now I need to do it in Java.
I tried over and over to find any ...
0
votes
1
answer
144
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Linux read call behavior when a segment of the file is corrupted
Context :
OS : Red hat 8.X
File systems : EXT4, XFS
Storage Types : SSD, HDD
Corruption : Meant here is an activity that result in written data cannot be retrieved as it was written. .e.g. Disk Device ...
- 401
0
votes
1
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545
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Where can I find a public version of the XFS specification document for ATM cash dispensers?
I am working on a software that interacts with the cash dispenser of an ATM. I was referred to an XFS specification document, but the link is broken.
I have tried checking the Google archives and ...
- 3
0
votes
1
answer
278
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I want to resize my linux root volume to create a separate partition. (aws ec2)
//as-is
[root@ip-172-28-72-124 /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 100G 0 disk
├─nvme0n1p1 259:1 0 100G 0 part /
└─nvme0n1p128 259:2 0 ...
- 23
1
vote
1
answer
173
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On rhel8 os When I run a program the kernel crash, how can I determine which line of code reports the error ？
I don't know about kernel, I don't know how to troubleshoot.
When the problem happened, my system kernel crashed, the following is the vmcore-dmesg.txt log
##dmesg logs
[ 378.442884] SPDMD-LUN:[ERROR]...
- 11
1
vote
1
answer
814
views
Increate xfs partition size lvm
I am trying to increase xfs disk lvm but I am missing something
"/" size is 70 GB and I want to enlarge it to 90GB .
I enlarged the underlying /dev/sda size to 140gb (it was 120gb) So I have ...
- 25
0
votes
1
answer
497
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How can I check that quotas have been enabled is XFS?
I have a filesystem that should be mounted with the prjquota flag. But due to human factors, someone might forget to do that, so I need to check that quota was enabled on application startup. I ...
- 63
-1
votes
2
answers
892
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Possible to pvmove & vgreduce in LVM if PVs are allocated to Xfs free space?
I have a ~250 TB Xfs file system, distributed across several disks (PVs) via LVM.
I've moved most of the data to another server. The remaining data (~60 TB) would easily fit on just PV.
I would like ...
- 2,092
1
vote
0
answers
2k
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why is my linux system experiencing "Log I/O error Detected. Shutting down filesystem" problem
system info:
[root@cpe ~]# uname -a
Linux cpe 3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Jul 4 15:04:05 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
[root@cpe ~]# cat /etc/redhat-release
CentOS Linux release 7....
- 19
1
vote
1
answer
6k
views
How to change block size on XFS
Situation: Server uses XFS filesystem, block size 4kB. There are a lot of small files.
Result: Some directories take 2+GB space, but actual file size is less then 200MB.
Solution: Change XFS block ...
- 75
1
vote
0
answers
821
views
rsync to local USB disk gives "rsync error 2 (Protocol incompatibility)
I am using backintime for backup which in turn uses rsync to make snapshots.
Most filesystems on the computer are XFS, including the rsync target,
system is Ubuntu 20.04 with rsync version 3.1.3 ...
- 101
0
votes
1
answer
463
views
How do I successfully switch to XFS filesystem without corrupting any data?
My MongoDB has recently been using lots of CPU on IO Wait. I believe by switching to XFS filesystem it should stop these issues. How can I successfully do this without corrupting any of my current ...
- 25
0
votes
1
answer
5k
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How to get an access to the disk device in a pod?
In my Kubernetes pods with mounted volumes, I don't seem to have access to the underlying disk device in the /dev folder. I need that for the XFS tools to work. I am running the cluster on ...
- 217