Public bug reported:
Fairly new server on Ubuntu 20.04.1 LTS, 5.4.0-47-generic kernel, DRBD device
across 2 sites with one server in each site, ocfs2 filesystem on DRBD device,
shared to local network using Samba (and also Samba-AD-DC for network). All
packages from "normal" Ubuntu repositories. ocfs2-tools is Installed:
1.8.6-2ubuntu1. The filesystem is around 3.3 TB. Stored data amounted to 24% of
this filesystem.
Recent updates applied and server restarted Wed 9th Sept after which staff
started reporting inability to save to server shares. Checked Samba settings as
Windows error messages were at first showing permission issues, but following
various checks no wrong Samba settings were found so restarted their server
after which the errors were "no space left on disk". Checked on the server
terminal and couldn't even "touch" an empty file but got "no space left on
disk". Found an article describing limitations caused by ocfs2 cluster size, so
copied all data out to a backup machine, recreated the ocfs2 file system using
mkfs.ocfs2 -C 64K /dev/drbd0
but again the "no disk space" error keeps happening despite this now being an
empty file system. Perhaps it wasn't a cluster size problem in the first
instance.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ocfs2-tools 1.8.6-2ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55
Uname: Linux 5.4.0-47-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
CasperMD5CheckResult: pass
Date: Mon Sep 14 12:23:35 2020
InstallationDate: Installed on 2020-05-06 (130 days ago)
InstallationMedia: Ubuntu-Server 20.04 LTS "Focal Fossa" - Release amd64
(20200423)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ocfs2-tools
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ocfs2-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal uec-images
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https://bugs.launchpad.net/bugs/1895526
Title:
ocfs2 file system no longer write - "disk full" despite lots of free
space
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