I/O Errors due to keepalive timeouts with NVMf RDMA

[Johannes Thumshirn]

On Sat, Jul 08, 2017 at 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

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Johannes Thumshirn                                          Storage
jthumshirn at suse.de                                +49 911 74053 689
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