Description of problem: We don't have a troubleshoot link for the MON_DISK_LOW health check at the moment. How reproducible: Everytime Actual results: User is directed to # (same page) Expected results: User should be directed to a valid and useful URL
Hi Pranshu Performed the steps mentioned below for the validation of fix :- 1. Logged inside the mon pod and installed `fio`. 2. Filled up space in the associated PV by `fio --name=fio-rand-readwrite --filename=/var/lib/ceph/mon/ceph-b/fiofile --readwrite=randrw --bs=4K --direct=1 --numjobs=1 --time_based=1 --runtime=3600000000 --size=40G --iodepth=8 --rwmixread=75 --ioengine=libaio` ===================================================================================================================================== sh-4.4# dnf install https://rpmfind.net/linux/dag/redhat/el7/en/x86_64/dag/RPMS/fio-2.1.10-1.el7.rf.x86_64.rpm Updating Subscription Management repositories. Unable to read consumer identity Subscription Manager is operating in container mode. This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Red Hat Universal Base Image 8 (RPMs) - BaseOS 3.2 MB/s | 793 kB 00:00 Red Hat Universal Base Image 8 (RPMs) - AppStream 15 MB/s | 2.4 MB 00:00 Red Hat Universal Base Image 8 (RPMs) - CodeReady Builder 140 kB/s | 15 kB 00:00 fio-2.1.10-1.el7.rf.x86_64.rpm 309 kB/s | 271 kB 00:00 Dependencies resolved. =================================================================================================================================================================================================================== Package Architecture Version Repository Size =================================================================================================================================================================================================================== Installing: fio x86_64 2.1.10-1.el7.rf @commandline 271 k Transaction Summary =================================================================================================================================================================================================================== Install 1 Package Total size: 271 k Installed size: 1.2 M Is this ok [y/N]: y Downloading Packages: Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : fio-2.1.10-1.el7.rf.x86_64 1/1 Verifying : fio-2.1.10-1.el7.rf.x86_64 1/1 Installed products updated. Installed: fio-2.1.10-1.el7.rf.x86_64 Complete! sh-4.4# fio --name=fio-rand-readwrite --filename=/var/lib/ceph/mon/ceph-b/fiofile --readwrite=randrw --bs=4K --direct=1 --numjobs=1 --time_based=1 --runtime=3600000000 --size=40G --iodepth=8 --rwmixread=75 --ioengine=libaio fio-rand-readwrite: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=8 fio-2.1.10 Starting 1 process fio-rand-readwrite: Laying out IO file(s) (1 file(s) / 40960MB) Jobs: 1 (f=1): [m] [0.0% done] [8832KB/3140KB/0KB /s] [2208/785/0 iops] [eta 1158042397d:16h:26m:38s] . . . Jobs: 1 (f=1): [m] [0.0% done] [8880KB/3072KB/0KB /s] [2220/768/0 iops] [eta 1158042397d:16h:16m:53s] =========================================================================================================================== sh-4.4# df -Th Filesystem Type Size Used Avail Use% Mounted on overlay overlay 120G 11G 109G 9% / tmpfs tmpfs 64M 0 64M 0% /dev tmpfs tmpfs 32G 0 32G 0% /sys/fs/cgroup shm tmpfs 64M 0 64M 0% /dev/shm tmpfs tmpfs 32G 56M 32G 1% /etc/hostname tmpfs tmpfs 62G 4.0K 62G 1% /etc/ceph /dev/nvme0n1p4 xfs 120G 11G 109G 9% /etc/hosts tmpfs tmpfs 62G 4.0K 62G 1% /etc/ceph/keyring-store /dev/nvme1n1 ext4 49G 41G 8.9G 82% /var/lib/ceph/mon/ceph-b Also confirmed that I/O ops are happening simultaneously, but no alert was observed in the UI nor the link to troubleshooting guide . Please guide me here ! Thanks Mugdha Soni
Hi Pranshu , Encountered the same issue as mentioned in bug https://bugzilla.redhat.com/show_bug.cgi?id=2008321#c6. Thanks Mugdha
Hi Since the link is present for MON_DISK_LOW is present( screenshot for same is attached in comment#41) moving this bug to verified state . The troubleshooting guide gives an 404 error and a different bug will be filed for that . Thanks Mugdha Soni
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.9.6 bug fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2021:4119