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Server : LiteSpeed System : Linux srv104790275 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64 User : dewac4139 ( 1077) PHP Version : 8.0.30 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/share/doc/multipath-tools/ |
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This is a rough guide, consult your storage device manufacturer documentation. ALUA is supported in some devices, but usually it's disabled by default. To enable ALUA, the following options should be changed: - EMC CLARiiON/VNX: "Failover Mode" should be changed to "4" or "Active-Active mode(ALUA)-failover mode 4" - HPE 3PAR, Primera, and Alletra 9000: "Host:" should be changed to "Generic-ALUA Persona 2 (UARepLun, SESLun, ALUA)". - Promise VTrak/Vess: "LUN Affinity" and "ALUA" should be changed to "Enable", "Redundancy Type" must be "Active-Active". - LSI/Engenio/NetApp RDAC class, as NetApp SANtricity E/EF Series and OEM arrays: "Select operating system:" should be changed to "Linux DM-MP (Kernel 3.10 or later)". - NetApp ONTAP: To check ALUA state: "igroup show -v <igroup_name>", and to enable ALUA: "igroup set <igroup_name> alua yes". - Huawei OceanStor: "Host Access Mode" should be changed to "Asymmetric".