Hi Xose, Brian,
I don't have the original patch in my mailbox, ... only Xose's notifications.
Brian, please resend to: me, cc: list
Best,
Christophe.
On Mon, Mar 2, 2020 at 3:10 PM Xose Vazquez Perez <xose.vazquez@xxxxxxxxx> wrote:
On 12/28/19 1:24 AM, Xose Vazquez Perez wrote:
Hi Christophe,
This one is missing.
Thank you.
> From: Brian Bunker <brian@xxxxxxxxxxxxxxx>
>
> Hello all,
>
> It has been some time since we updated our PURE FlashArray
> configuration. The Linux vendors that we had been seeing in the field
> were using very old versions of multipath-tools, so we haven’t needed to
> change anything for some time. With the release of RHEL8, some of our
> earlier values have been lost by upstream changes.
>
> In addition we have our Active Cluster feature which leverages ALUA
> since our last patch. The ALUA confguration will work for all
> FlashArrays with or without Active Cluster.
>
> We are changing 3 things.
>
> 1. ALUA support
> 2. Fast fail timeout from the default of 5 seconds to 10 seconds (We
> need this for our FC NPIV port migration).
> 3. Maximum sector size of 4MB. Some Linux vendors don’t honor the block
> limits VPD page of INQUIRY).
>
> Thanks,
> Brian
>
> Cc: Christophe Varoqui <christophe.varoqui@xxxxxxxxxxx>
> Cc: DM-DEVEL ML <dm-devel@xxxxxxxxxx>
> Signed-off-by: Xose Vazquez Perez <xose.vazquez@xxxxxxxxx>
> Signed-off-by: Brian Bunker <brian@xxxxxxxxxxxxxxx>
> ---
> libmultipath/hwtable.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c
> index 16627ec..9bc59f1 100644
> --- a/libmultipath/hwtable.c
> +++ b/libmultipath/hwtable.c
> @@ -1039,7 +1039,12 @@ static struct hwentry default_hw[] = {
> /* FlashArray */
> .vendor = "PURE",
> .product = "FlashArray",
> - .pgpolicy = MULTIBUS,
> + .pgpolicy = GROUP_BY_PRIO,
> + .pgfailback = -FAILBACK_IMMEDIATE,
> + .hwhandler = "1 alua",
> + .prio_name = PRIO_ALUA,
> + .fast_io_fail = 10,
> + .max_sectors_kb = 4096,
> },
> /*
> * Huawei
>
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