Re: [dm-devel] [PATCH] multipath-tools: make IBM/XIV config work with alua and multibus

On Sat, 2021-09-25 at 00:27 +0200, Xose Vazquez Perez wrote: > And add recommended pgfailback value. > > ALUA is supported since XIV_Gen2 and microcode 10.2.1 > (All ports across all controllers in single Target Port Group) > >

Re: [dm-devel] [PATCH 0/4] Add "reconfigure all" multipath command

On Mon, 2021-09-27 at 10:11 -0500, Benjamin Marzinski wrote: > On Fri, Sep 24, 2021 at 10:44:46PM +0200, Xose Vazquez Perez wrote: > > On 9/21/21 01:21, Benjamin Marzinski wrote: > > > > > This patchset is supposed to replace Martin's > > > > > > multipathd: add "force_reconfigure" option > > >

[dm-devel] [PATCH] multipath-tools: make "COMPELNT/Compellent Vol" config work with alua and multibus

ALUA is needed by SAS arrays, pag#124: https://downloads.dell.com/manuals/all-products/esuprt_solutions_int/esuprt_solutions_int_solutions_resources/general-solution-resources_white-papers2_en-us.pdf Cc: Sean McGinnis Cc: Martin Wilck Cc: Benjamin Marzinski Cc: Christophe Varoqui Cc: DM-DEVEL

[dm-devel] [PATCH] multipath-tools: make EMC/Invista config work with alua and multibus

Optimal Path Management (OPM) was introduced with VPLEX 5.5 to improve VPLEX performance. OPM uses the ALUA mechanism to spread the I/O load across VPLEX directors while gaining cache locality, pag #187:

[dm-devel] [PATCH] multipath-tools: make EMC/SYMMETRIX config work with alua and multibus

ALUA is supported since VMAX3 and HYPERMAX OS 5977.811.784, pag#113: https://www.delltechnologies.com/en-us/collaterals/unauth/technical-guides-support-information/products/storage-2/docu5128.pdf Cc: Martin Wilck Cc: Benjamin Marzinski Cc: Christophe Varoqui Cc: DM-DEVEL ML Signed-off-by:

[dm-devel] [PATCH] multipath-tools: make IBM/2107900 (DS8000) config work with alua and multibus

ALUA is supported since the beginning: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/scsi/device_handler/scsi_dh_alua.c?id=057ea7c9683c3d684128cced796f03c179ecf1c2#n683 ... the DS8000 is an Asymmetric Logical Unit Access (ALUA) capable storage array,

[dm-devel] [PATCH] multipath-tools: remove Compellent maintainer

e-mail was bounced: 550 5.1.1 User Unknown Cc: Martin Wilck Cc: Benjamin Marzinski Cc: Christophe Varoqui Cc: DM-DEVEL ML Signed-off-by: Xose Vazquez Perez --- libmultipath/hwtable.c | 6 +- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/libmultipath/hwtable.c

Re: [dm-devel] [PATCH] multipath-tools: make EMC/SYMMETRIX config work with alua and multibus

On Tue, 2021-09-28 at 19:20 +0200, Xose Vazquez Perez wrote: > ALUA is supported since VMAX3 and HYPERMAX OS 5977.811.784, pag#113: > https://www.delltechnologies.com/en-us/collaterals/unauth/technical-guides-support-information/products/storage-2/docu5128.pdf > > Cc: Martin Wilck > Cc: Benjamin

Re: [dm-devel] [PATCH] multipath-tools: make IBM/2107900 (DS8000) config work with alua and multibus

On Tue, 2021-09-28 at 18:52 +0200, Xose Vazquez Perez wrote: > ALUA is supported since the beginning: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/scsi/device_handler/scsi_dh_alua.c?id=057ea7c9683c3d684128cced796f03c179ecf1c2#n683 > > ... the DS8000 is an

Re: [dm-devel] [linux-lvm] Discussion: performance issue on event activation mode

On Tue, 2021-09-28 at 12:42 -0500, Benjamin Marzinski wrote: > On Tue, Sep 28, 2021 at 03:16:08PM +, Martin Wilck wrote: > > On Tue, 2021-09-28 at 09:42 -0500, David Teigland wrote: > > > > > > I have pondered this quite a bit, but I can't say I have a concrete > > plan. > > > > To avoid

Re: [dm-devel] [PATCH] multipath-tools: make EMC/Invista config work with alua and multibus

On Tue, 2021-09-28 at 19:31 +0200, Xose Vazquez Perez wrote: > Optimal Path Management (OPM) was introduced with VPLEX 5.5 to improve > VPLEX > performance. OPM uses the ALUA mechanism to spread the I/O load across > VPLEX directors > while gaining cache locality, pag #187: >