ALUA is supported in some storage devices, but usually it's disabled by default. Cc: Christophe Varoqui <christophe.varoqui@xxxxxxxxxxx> Cc: device-mapper development <dm-devel@xxxxxxxxxx> Signed-off-by: Xose Vazquez Perez <xose.vazquez@xxxxxxxxx> --- README.alua | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 README.alua diff --git a/README.alua b/README.alua new file mode 100644 index 0000000..134696a --- /dev/null +++ b/README.alua @@ -0,0 +1,14 @@ +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". + +- HPE 3PAR: + "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". -- 2.14.3 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel