>>> Hi MArk >>> >>> I landed up changing the default kato from 5s to 30 and its working >>> now >>> We don't jump ship too early anymore and it connects fine. >>> See prior response where I answered my own message >>> >>> diff -Nurp linux-5.14.0- >>> 284.25.1.el9_2.orig/drivers/nvme/host/nvme.h >>> linux-5.14.0-284.25.1.el9_2/drivers/nvme/host/nvme.h >>> --- linux-5.14.0- >>> 284.25.1.el9_2.orig/drivers/nvme/host/nvme.h 2023- >>> 07-20 08:42:08.000000000 -0400 >>> +++ linux-5.14.0- >>> 284.25.1.el9_2/drivers/nvme/host/nvme.h 2023- >>> 11-08 14:16:37.924155469 -0500 >>> @@ -25,7 +25,7 @@ extern unsigned int nvme_io_timeout; >>> extern unsigned int admin_timeout; >>> #define NVME_ADMIN_TIMEOUT (admin_timeout * HZ) >>> >>> -#define NVME_DEFAULT_KATO 5 >>> +#define NVME_DEFAULT_KATO 30 >>> >>> #ifdef CONFIG_ARCH_NO_SG_CHAIN >>> #define NVME_INLINE_SG_CNT 0 >>> >>> >>> I will wait for Sagi and Keith and then send a patch >>> I had the wrong email for Keith >>> >>> Thanks a lot >>> Laurence >>> yes, we really don't need above patch as -k connect should take of that as mentioned below, seems like it got revolve ... >> Hello >> >> No fix needed, I was unaware of the -k option in the nvme connect. >> My colleague showed it to me. >> This works now to give the CX6 longer to handle the connection >> >> #!/bin/bash >> modprobe nvme-fc >> nvme connect -t rdma -n nqn.2023-10.org.dell -a 172.18.60.2 -s 4420 >> - >> k 30 >> >> >> Thanks >> So a Heads up for these newer cards I guess, need more time >> >> Regards >> Laurence >> >> >> >> >> > Finalizing this discussion and adding appropriate cc's > > > No patch needed, I was unaware of the -k option in the nvme connect. > My colleague John Pittman showed it to me. and in fact Mark also > pointed it out in a follow up email. > This works now to give the CX6 longer to handle the connection. > C.K Thanks to you as well for responding > > Initiator > #!/bin/bash > modprobe nvme-fc > nvme connect -t rdma -n nqn.2023-10.org.dell -a 172.18.60.2 -s 4420 > -k 30 > > Thanks > So a Heads up for these newer cards I guess, need more time > > Learn something new every day > -ck
