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nvme0n1 changes to nvme1n1 on master node after install 3 months 2 weeks ago #2839

  • Olaf Audooren
  • Olaf Audooren's Avatar Topic Author
  • Offline
  • Posts: 6
I have have 2 identical pc's with each 2 nvme storages for the cluser and for a local backup.
When installing only nvme0n1 was selected. After installing nvme0n1 changes to nvme1n1 on the master.
The config of drbd does not reflect the output of blkid or parted -l
I wonder why this behaviuor occurs and if the second nvme is usable for backups.

wkr
Olaf


******** MASTER

****** exceprt from /etc/drbd.conf

resource iscsi1
{
protocol C;

on vates
{
device /dev/drbd1;
disk /dev/nvme1n1p3;
address 10.10.10.1:7789;
meta-disk internal;
}

on inria
{
device /dev/drbd1;
disk /dev/nvme1n1p3;
address 10.10.10.2:7789;
meta-disk internal;
}
}



[09:32 vates etc]# drbdadm status
iscsi1 role:Primary
disk:UpToDate
peer role:Secondary
replication:Established peer-disk:UpToDate

[09:32 vates etc]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 465.8G 0 disk
└─nvme0n1p1 259:8 0 465.8G 0 part
nvme1n1 259:1 0 465.8G 0 disk
├─nvme1n1p4 259:5 0 512M 0 part /boot/efi
├─nvme1n1p2 259:3 0 18G 0 part
├─nvme1n1p5 259:6 0 4G 0 part /var/log
├─nvme1n1p3 259:4 0 424.3G 0 part
│ └─drbd1 147:1 0 424.3G 0 disk
├─nvme1n1p1 259:2 0 18G 0 part /
└─nvme1n1p6 259:7 0 1G 0 part [SWAP]
sda 8:0 0 424.3G 0 disk
└─VG_XenStorage--9f26dfb1--d74f--f108--9448--92dbaedabdd8-MGT 253:0 0 4M 0 lvm
[10:15 vates etc]#


********* SLAVE

resource iscsi1
{
protocol C;

on vates
{
device /dev/drbd1;
disk /dev/nvme0n1p3;
address 10.10.10.1:7789;
meta-disk internal;
}

on inria
{
device /dev/drbd1;
disk /dev/nvme0n1p3;
address 10.10.10.2:7789;
meta-disk internal;
}
}


[10:11 inria mnt]# drbdadm status
iscsi1 role:Secondary
disk:UpToDate
peer role:Primary
replication:Established peer-disk:UpToDate

[10:23 inria mnt]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:1 0 465.8G 0 disk
├─nvme0n1p5 259:6 0 4G 0 part /var/log
├─nvme0n1p3 259:4 0 424.3G 0 part
│ └─drbd1 147:1 0 424.3G 1 disk
├─nvme0n1p1 259:2 0 18G 0 part /
├─nvme0n1p6 259:7 0 1G 0 part [SWAP]
├─nvme0n1p4 259:5 0 512M 0 part /boot/efi
└─nvme0n1p2 259:3 0 18G 0 part
nvme1n1 259:0 0 465.8G 0 disk
└─nvme1n1p1 259:8 0 465.8G 0 part
sda 8:0 0 424.3G 0 disk

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