Patchwork multipath-tools: add README.alua with instructions to enable ALUA

login
register
mail settings
Submitter Xose Vazquez Perez
Date Nov. 20, 2017, 6:53 p.m.
Message ID <20171120185315.3026-1-xose.vazquez@gmail.com>
Download mbox | patch
Permalink /patch/10067043/
State Not Applicable, archived
Delegated to: christophe varoqui
Headers show

Comments

Xose Vazquez Perez - Nov. 20, 2017, 6:53 p.m.
ALUA is supported in some storage devices, but usually it's disabled by default.

Cc: Christophe Varoqui <christophe.varoqui@opensvc.com>
Cc: device-mapper development <dm-devel@redhat.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
---
 README.alua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 README.alua
Xose Vazquez Perez - Nov. 21, 2017, 6:50 p.m.
On 11/20/2017 07:53 PM, Xose Vazquez Perez wrote:
> ALUA is supported in some storage devices, but usually it's disabled by default.

Christophe, please drop this one. v2 is on the way.

> Cc: Christophe Varoqui <christophe.varoqui@opensvc.com>
> Cc: device-mapper development <dm-devel@redhat.com>
> Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
> ---
>  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".
> 

--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel

Patch

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".