| Message ID | 20191228002451.9536-1-xose.vazquez@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Delegated to: | Mike Snitzer |
| Headers | show |
| Series | [resend] ALUA support for PURE FlashArray | expand |
On 12/28/19 1:24 AM, Xose Vazquez Perez wrote: Hi Christophe, This one is missing. Thank you. > From: Brian Bunker <brian@purestorage.com> > > 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@opensvc.com> > Cc: DM-DEVEL ML <dm-devel@redhat.com> > Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> > Signed-off-by: Brian Bunker <brian@purestorage.com> > --- > 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 > -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel
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@gmail.com> wrote: > On 12/28/19 1:24 AM, Xose Vazquez Perez wrote: > > Hi Christophe, > > This one is missing. > > Thank you. > > > From: Brian Bunker <brian@purestorage.com> > > > > 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@opensvc.com> > > Cc: DM-DEVEL ML <dm-devel@redhat.com> > > Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> > > Signed-off-by: Brian Bunker <brian@purestorage.com> > > --- > > 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 > > > > -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel
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