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# elementala
adamant-kite-43734
06/17/2023, 7:50 AMThis message was deleted.
h
hundreds-hospital-60917
06/19/2023, 8:08 AMPersistent data is kept in the COS_PERSISTENT partition
Copy code
# ls -l /dev/disk/by-label/
total 0
lrwxrwxrwx 1 root root 11 Jun 19 08:04 COS_ACTIVE -> ../../loop0
lrwxrwxrwx 1 root root 10 Jun 19 08:04 COS_GRUB -> ../../sda1
lrwxrwxrwx 1 root root 10 Jun 19 08:04 COS_OEM -> ../../sda2
lrwxrwxrwx 1 root root 10 Jun 19 08:04 COS_PERSISTENT -> ../../sda5
lrwxrwxrwx 1 root root 10 Jun 19 08:04 COS_RECOVERY -> ../../sda3
lrwxrwxrwx 1 root root 10 Jun 19 08:04 COS_STATE -> ../../sda4 Copy code
# mount | grep sda5
/dev/sda5 on /usr/local type ext4 (rw,relatime)
/dev/sda5 on /etc/systemd type ext4 (rw,relatime)
/dev/sda5 on /etc/rancher type ext4 (rw,relatime)
/dev/sda5 on /etc/ssh type ext4 (rw,relatime)
/dev/sda5 on /etc/iscsi type ext4 (rw,relatime)
/dev/sda5 on /etc/cni type ext4 (rw,relatime)
/dev/sda5 on /home type ext4 (rw,relatime)
/dev/sda5 on /opt type ext4 (rw,relatime)
/dev/sda5 on /root type ext4 (rw,relatime)
/dev/sda5 on /usr/libexec type ext4 (rw,relatime)
/dev/sda5 on /var/log type ext4 (rw,relatime)
/dev/sda5 on /var/lib/elemental type ext4 (rw,relatime)
/dev/sda5 on /var/lib/rancher type ext4 (rw,relatime)
/dev/sda5 on /var/lib/kubelet type ext4 (rw,relatime)
/dev/sda5 on /var/lib/NetworkManager type ext4 (rw,relatime)
/dev/sda5 on /var/lib/longhorn type ext4 (rw,relatime)
/dev/sda5 on /var/lib/cni type ext4 (rw,relatime)
/dev/sda5 on /var/lib/calico type ext4 (rw,relatime)👍 1
b
blue-kitchen-51801
06/19/2023, 8:09 AMmost likely I will try to setup rancher-backup operator and see if I can backup and restore Elemental OS (https://elemental.docs.rancher.com/backup/)
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hundreds-hospital-60917
06/19/2023, 8:09 AMThe
/oemcloud-config👍 1
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blue-kitchen-51801
06/19/2023, 8:11 AMthe main worry is to lose a node because of a disk failure (we did not find an easy way to install Elemental on RAID 1)
blue-kitchen-51801
06/19/2023, 8:12 AM*we’re using Harvester which is based on Elemental
h
hundreds-hospital-60917
06/19/2023, 9:07 AMHmm, this should help with special storage requirements during installation:
http://elemental.docs.rancher.com/customizing#adding-extra-lvm-volume-group-disks-during-the-installation
👌 1
hundreds-hospital-60917
06/19/2023, 9:09 AMwe’re using Harvester which is based on ElementalUhm, Harvester uses an older (unreleased) version of Elemental. So some docs linked here might not apply 😞 A future version of Harvester should use a more recent Elemental version 🤞
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few-jordan-3349
06/30/2023, 9:22 AMhey, as this thread is about partitions, i just wanted to ask if it is normal that in my elemental build COS_ACTIVE (initramfs loop device) is always present after boot?
few-jordan-3349
06/30/2023, 9:22 AM@hundreds-hospital-60917
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hundreds-hospital-60917
07/03/2023, 1:22 PMCOS_ACTIVE is the currently booted OS image. So it better be present (or you don't have an operating system 😉 )
😅 1
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