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canonical / microceph

Ceph for a one-rack cluster and appliances
https://snapcraft.io/microceph
GNU Affero General Public License v3.0
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Failed to add disk #317

Closed Cirrus-8691 closed 4 months ago

Cirrus-8691 commented 4 months ago

Issue report

What version of MicroCeph are you using ?

microceph (edge) 18.2.0+snapb959197794

Use this section to describe the channel/revision which produces the unexpected behaviour. This information can be fetched from the installed: section of sudo snap info microceph output.

What are the steps to reproduce this issue ?

  1. Install last version of Ubuntu server 22 using VMWare player 17.0

  2. swap to user root

  3. root@microk8s-1:~# snap install microceph --channel=latest/edge microceph (edge) 18.2.0+snapb959197794 from Canonical✓ installed

  4. root@microk8s-1:~# microceph cluster bootstrap

  5. root@microk8s-1:~# lsblk sda 8:0 0 40G 0 disk ├─sda1 8:1 0 1M 0 part └─sda2 8:2 0 40G 0 part / sdb 8:16 0 20G 0 disk

  6. root@microk8s-1:~# microceph disk add /dev/sdb --wipe +----------+---------+ | PATH | STATUS | +----------+---------+ | /dev/sdb | Failure | +----------+---------+ Error: unable to list system disks: Failed to read "/proc/self/mountinfo": open /proc/self/mountinfo: permission denied

Try to find disk with microceph:

root@microk8s-1:~# microceph disk list Error: internal error: unable to fetch unpartitoned disks: internal error: unable to fetch available disks: failed listing storage devices: Failed to read "/proc/self/mountinfo": open /proc/self/mountinfo: permission denied

Try to find and view "/proc/self/mountinfo" with root user: (no problem)

root@microk8s-1:~# ls -la /proc/self/mountinfo -r--r--r-- 1 root root 0 Feb 27 13:10 /proc/self/mountinfo

root@microk8s-1:~# cat /proc/self/mountinfo 24 30 0:22 / /sys rw,nosuid,nodev,noexec,relatime shared:7 - sysfs sysfs rw 25 30 0:23 / /proc rw,nosuid,nodev,noexec,relatime shared:12 - proc proc rw 26 30 0:5 / /dev rw,nosuid,relatime shared:2 - devtmpfs udev rw,size=1926788k,nr_inodes=481697,mode=755,inode64 27 26 0:24 / /dev/pts rw,nosuid,noexec,relatime shared:3 - devpts devpts rw,gid=5,mode=620,ptmxmode=000 28 30 0:25 / /run rw,nosuid,nodev,noexec,relatime shared:5 - tmpfs tmpfs rw,size=396952k,mode=755,inode64 30 1 8:2 / / rw,relatime shared:1 - ext4 /dev/sda2 rw 31 24 0:6 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:8 - securityfs securityfs rw 32 26 0:27 / /dev/shm rw,nosuid,nodev shared:4 - tmpfs tmpfs rw,inode64 33 28 0:28 / /run/lock rw,nosuid,nodev,noexec,relatime shared:6 - tmpfs tmpfs rw,size=5120k,inode64 34 24 0:29 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime shared:9 - cgroup2 cgroup2 rw,nsdelegate,memory_recursiveprot 35 24 0:30 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:10 - pstore pstore rw 36 24 0:31 / /sys/fs/bpf rw,nosuid,nodev,noexec,relatime shared:11 - bpf bpf rw,mode=700 37 25 0:32 / /proc/sys/fs/binfmt_misc rw,relatime shared:13 - autofs systemd-1 rw,fd=29,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=29499 38 26 0:33 / /dev/hugepages rw,relatime shared:14 - hugetlbfs hugetlbfs rw,pagesize=2M 39 26 0:20 / /dev/mqueue rw,nosuid,nodev,noexec,relatime shared:15 - mqueue mqueue rw 40 24 0:7 / /sys/kernel/debug rw,nosuid,nodev,noexec,relatime shared:16 - debugfs debugfs rw 41 24 0:12 / /sys/kernel/tracing rw,nosuid,nodev,noexec,relatime shared:17 - tracefs tracefs rw 42 24 0:34 / /sys/fs/fuse/connections rw,nosuid,nodev,noexec,relatime shared:18 - fusectl fusectl rw 43 24 0:21 / /sys/kernel/config rw,nosuid,nodev,noexec,relatime shared:19 - configfs configfs rw 65 28 0:35 / /run/credentials/systemd-sysusers.service ro,nosuid,nodev,noexec,relatime shared:20 - ramfs none rw,mode=700 89 30 7:0 / /snap/lxd/24322 ro,nodev,relatime shared:30 - squashfs /dev/loop0 ro,errors=continue 92 30 7:2 / /snap/core20/2182 ro,nodev,relatime shared:45 - squashfs /dev/loop2 ro,errors=continue 95 30 7:1 / /snap/lxd/27037 ro,nodev,relatime shared:47 - squashfs /dev/loop1 ro,errors=continue 98 30 7:3 / /snap/core20/1974 ro,nodev,relatime shared:49 - squashfs /dev/loop3 ro,errors=continue 101 30 7:4 / /snap/snapd/19457 ro,nodev,relatime shared:51 - squashfs /dev/loop4 ro,errors=continue 104 30 7:5 / /snap/snapd/20671 ro,nodev,relatime shared:53 - squashfs /dev/loop5 ro,errors=continue 107 37 0:36 / /proc/sys/fs/binfmt_misc rw,nosuid,nodev,noexec,relatime shared:55 - binfmt_misc binfmt_misc rw 318 28 0:25 /snapd/ns /run/snapd/ns rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,size=396952k,mode=755,inode64 339 318 0:4 mnt:[4026532636] /run/snapd/ns/lxd.mnt rw - nsfs nsfs rw 344 28 0:46 / /run/user/1000 rw,nosuid,nodev,relatime shared:183 - tmpfs tmpfs rw,size=396948k,nr_inodes=99237,mode=700,uid=1000,gid=1000,inode64 367 30 7:6 / /snap/core22/1122 ro,nodev,relatime shared:192 - squashfs /dev/loop6 ro,errors=continue 694 30 7:7 / /snap/microceph/937 ro,nodev,relatime shared:290 - squashfs /dev/loop7 ro,errors=continue 1199 318 0:4 mnt:[4026532581] /run/snapd/ns/microceph.mnt rw - nsfs nsfs rw root@microk8s-1:~#

What did i do wrong ?

sabaini commented 4 months ago

Hey @Cirrus-8691 this is a snap confinement issue which is present on /edge -- hopefully we should have updated permissions soon, cf. https://forum.snapcraft.io/t/auto-connect-request-for-microceph-mount-observe/39030

Until this is fixed /stable should work better