how to configure ISCSI fault tolerance in ubuntu 12.04 [closed]

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MySQL on iscsi drive CentOS7 wont start on boot

I configured Mariadb on CentOS 7 to run on iscsi drive mounted on /mnt/iscsi, but it wont start on boot with following error (it can be started manually): mariadb.service – MariaDB database server Loaded: loaded (/etc/systemd/system/mariadb.service; enabled) Active: failed (Result: exit-code) since Tue 2015-02-10 09:54:50 MSK; 51s ago Process: 1283 ExecStartPre=/usr/libexec/mariadb-prepare-db-dir %n (code=exited, status=1/FAILURE) Feb … Read more

Live migration: is it possible to store image disks on a single iscsi target?

From redhat documentation: A guest virtual machine installed on shared storage using one of the following protocols: Fibre Channel-based LUNs iSCSI FCoE NFS SCSI RDMA protocols (SCSI RCP): the block export protocol used in Infiniband and 10GbE iWARP adapters Till now I simply created an iscsi target leading to a .dsk file which was the … Read more

Boot diskless client from iscsi target

I have a Ubuntu server 20.04 setup to run the service as an iscsi target. I’ve accessed and mounted the target from a client (running Debian) and installed a Debian on the mounted block/device. Making sure that the first partition on that block started at 2048, for installation of grub. Having done this along with … Read more

RHEL: iscsiadm is not able to login in any port except 3260

Discovery is successful: [root@ncdqd0110 iqn.11351.com.xxx:AAA]# iscsiadm -m discoverydb -t sendtargets -p 127.0.0.1:54541 –discover 127.0.0.1:54541,-1 iqn.2495.com.xxx:AAA Login is failing: [root@ncdqd0110 ~]# iscsiadm –mode node –target iqn.2495.com.xxx:AAA –portal 127.0.0.1:54541 –login Logging in to [iface: default, target: iqn.2495.com.xxx:AAA, portal: 127.0.0.1,54541] (multiple) **iscsiadm: Could not login to [iface: default, target: iqn.2495.com.xxx:AAA, portal: 127.0.0.1,54541].** **iscsiadm: initiator reported error (8 – … Read more

How to configure iscsi targets so they are on dedicated ports?

I have two hosts. One is the iSCSI initiator. The other is the iSCSI target. They are both running Ubuntu 16.04 LTS and both are using open-iscsi. Specifically, the target host (let’s call it “target”) is running the iscsid service. It has 16 SSD disks that it exports as the iSCSI targets. Its configuration is … Read more

CentOS7 Targetcli Configuration lost after server reboot

Targetcli configuration got lost after server was rebooted, i tried to restore configuration from backup files with targetcli restoreconfig <backupFile> configuration is not restored output message of the command storageobjects or targets present, not restoring. below are outputs of targetcli ls and systemctl status -l target targetcli ls o- / …………………………………………………………………………………… […] o- backstores …………………………………………………………………………. … Read more