From mboxrd@z Thu Jan 1 00:00:00 1970 From: jthumshirn@suse.de (Johannes Thumshirn) Date: Mon, 10 Jul 2017 09:59:22 +0200 Subject: I/O Errors due to keepalive timeouts with NVMf RDMA In-Reply-To: <4f2962b4-b099-276c-b3da-32c8fa63adcf@mellanox.com> References: <20170707094838.GD16648@linux-x5ow.site> <4f2962b4-b099-276c-b3da-32c8fa63adcf@mellanox.com> Message-ID: <20170710075921.GC5105@linux-x5ow.site> On Sat, Jul 08, 2017@09:14:26PM +0300, Max Gurtovoy wrote: > I need more info to repro. > What is the backing store at the target ? Either null_blk or zram, doesn't really make a difference. > are you using RoCE or IB link layer ? ibstat says IB > ConnectX-3 vs. ConnectX-3 B2B ? Mellanox Technologies MT26418 > what is the FW on both target and host ? > what is the KATO ? default > can you increase it as a WA ? Haven't tried yet. Thanks, Johannes -- Johannes Thumshirn Storage jthumshirn at suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N?rnberg GF: Felix Imend?rffer, Jane Smithard, Graham Norton HRB 21284 (AG N?rnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850