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Hi erman,
We need your expertise.
In OCI DBCS
Hi Erman,
Our team created compute instance with block voume size 200GB. Now Attaching blcok volume to instance. Please let us know if below approach looks good or any corrections.
--->In Putty, We have executed the commands copied from OCI console.
[root@srv-uat-001 ~]# sudo iscsiadm -m node -o new -T iqn.2015-12.com.oracleiaas:33e6027a-266f-40ff-b8fe-2f281e0c6d2f -p 169.254.2.2:3260
New iSCSI node [tcp:[hw=,ip=,net_if=,iscsi_if=default] 169.254.2.2,3260,-1 iqn.2015-12.com.oracleiaas:33e6027a-266f-40ff-b8fe-2f281e0c6d2f] added
[root@srv-uat-001 ~]# sudo iscsiadm -m node -o update -T iqn.2015-12.com.oracleiaas:33e6027a-266f-40ff-b8fe-2f281e0c6d2f -n node.startup -v automatic
[root@srv-uat-001 ~]# sudo iscsiadm -m node -T iqn.2015-12.com.oracleiaas:33e6027a-266f-40ff-b8fe-2f281e0c6d2f -p 169.254.2.2:3260 -l
Logging in to [iface: default, target: iqn.2015-12.com.oracleiaas:33e6027a-266f-40ff-b8fe-2f281e0c6d2f, portal: 169.254.2.2,3260]
Login to [iface: default, target: iqn.2015-12.com.oracleiaas:33e6027a-266f-40ff-b8fe-2f281e0c6d2f, portal: 169.254.2.2,3260] successful.
--->lsblk output
[opc@srv-uat-001 ~]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 100G 0 disk
├─sda1 8:1 0 100M 0 part /boot/efi
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 45.5G 0 part
├─ocivolume-root 252:0 0 35.5G 0 lvm /
└─ocivolume-oled 252:1 0 10G 0 lvm /var/oled
sdb 8:16 0 200G 0 disk------------------------------>Which we added
--->[opc@srv-uat-001 oracleoci]$ sudo mkfs -t ext4 /dev/oracleoci/oraclevdb
mke2fs 1.46.2 (28-Feb-2021)
Discarding device blocks: done
Creating filesystem with 52428800 4k blocks and 13107200 inodes
Filesystem UUID: d9a10c84-268b-4c97-9cc2-0d9dd253f4db
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872
Allocating group tables: done
Writing inode tables: done
Creating journal (262144 blocks): done
Writing superblocks and filesystem accounting information: done
--->Added below entry in /etc/fstab
/dev/oracleoci/oraclevdb /u01 ext4 defaults,noatime,_netdev 0 2
--->[opc@srv-uat-001 oracleoci]$ sudo mount -a
mount: (hint) your fstab has been modified, but systemd still uses
the old version; use 'systemctl daemon-reload' to reload.
--->[opc@srv-uat-001 oracleoci]$ sudo systemctl daemon-reload
[opc@srv-uat-001 oracleoci]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 100G 0 disk
├─sda1 8:1 0 100M 0 part /boot/efi
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 45.5G 0 part
├─ocivolume-root 252:0 0 35.5G 0 lvm /
└─ocivolume-oled 252:1 0 10G 0 lvm /var/oled
sdb 8:16 0 200G 0 disk /u01
1) How can we find the uuid for the device which we have added. Just to place it in /etc/fstab
2) Is partitioning mandatory. I think in above case,team didnt do that. Please correct me.
Thanks,
SGU
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