[SOLVED] PVE/Ceph cluster: Recommendations for updating and restarting

S

sherminator

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Oct 28, 2013
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Hi there,

today we like to install updates on our three nodes of our PVE/Ceph cluster which need restarts.
Code: 
# apt list --upgradable
Listing... Done
ceph-base/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
ceph-common/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
ceph-fuse/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
ceph-mds/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
ceph-mgr/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
ceph-mon/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
ceph-osd/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
ceph/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
git-man/stable 1:2.20.1-2+deb10u1 all [upgradable from: 1:2.20.1-2]
git/stable 1:2.20.1-2+deb10u1 amd64 [upgradable from: 1:2.20.1-2]
ifupdown/stable 0.8.35+pve1 amd64 [upgradable from: 0.8.35]
libcephfs2/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
libidn2-0/stable 2.0.5-1+deb10u1 amd64 [upgradable from: 2.0.5-1]
libnss3/stable 2:3.42.1-1+deb10u2 amd64 [upgradable from: 2:3.42.1-1+deb10u1]
libpve-access-control/stable 6.0-5 amd64 [upgradable from: 6.0-3]
libpve-common-perl/stable 6.0-10 all [upgradable from: 6.0-7]
libpve-guest-common-perl/stable 3.0-3 all [upgradable from: 3.0-2]
libpve-storage-perl/stable 6.1-3 all [upgradable from: 6.0-9]
librados2/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
libradosstriper1/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
librbd1/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
librgw2/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
libsasl2-2/stable 2.1.27+dfsg-1+deb10u1 amd64 [upgradable from: 2.1.27+dfsg-1]
libsasl2-modules-db/stable 2.1.27+dfsg-1+deb10u1 amd64 [upgradable from: 2.1.27+dfsg-1]
proxmox-ve/stable 6.1-2 all [upgradable from: 6.0-2]
proxmox-widget-toolkit/stable 2.1-2 all [upgradable from: 2.0-8]
pve-cluster/stable 6.1-3 amd64 [upgradable from: 6.0-7]
pve-container/stable 3.0-16 all [upgradable from: 3.0-10]
pve-docs/stable 6.1-3 all [upgradable from: 6.0-8]
pve-edk2-firmware/stable 2.20191127-1 all [upgradable from: 2.20190614-1]
pve-firewall/stable 4.0-9 amd64 [upgradable from: 4.0-7]
pve-ha-manager/stable 3.0-8 amd64 [upgradable from: 3.0-2]
pve-kernel-helper/stable 6.1-1 all [upgradable from: 6.0-12]
pve-manager/stable 6.1-5 amd64 [upgradable from: 6.0-11]
pve-qemu-kvm/stable 4.1.1-2 amd64 [upgradable from: 4.0.1-5]
python-apt-common/stable 1.8.4.1 all [upgradable from: 1.8.4]
python-apt/stable 1.8.4.1 amd64 [upgradable from: 1.8.4]
python-ceph-argparse/stable 14.2.6-pve1 all [upgradable from: 14.2.4-pve1]
python-cephfs/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
python-rados/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
python-rbd/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
python-rgw/stable 14.2.6-pve1 amd64 [upgradable from: 14.2.4-pve1]
python3-apt/stable 1.8.4.1 amd64 [upgradable from: 1.8.4]
qemu-server/stable 6.1-4 amd64 [upgradable from: 6.0-13]
smartmontools/stable 7.1-pve2 amd64 [upgradable from: 7.0-pve2]
What's the recommended order of the required steps?

Should we
1. install updates on the first node, restart this one and do so with node 2 and 3?
2. install updates on all three nodes and then restart one node by one?
3. do something completely different?

Thanks and greets
Stephan
 
Hey Alwin,

thanks! Indeed we did it this way:

1. migrate all VMs away from node1 (I love "bulk migration" over a dedicated 10 GBit/s-NIC)
2. install updates
3. restart
4. wait until all PGs are "active+clean"
5. do the same with node2 and node3

Greets
Stephan
 
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