Warnings of redundancy of the path in VMware

Hello

We noticed recurring warning events in VMware similar to this:

Redundancy lost path to the storage device
NAA.6090a0b8d08e35c1bd16d5ded001507f. road
vmhba41:C1:T24:l0 is down. Affected data warehouses
: eql_vmfs-vdi-thinapp.
warning
10.07.2013 12:18:48
eql_vmfs-vdi-thinapp

Followed by:

Redundant path to the storage device
NAA.6090a0b8d08e35c1bd16d5ded001507f
(Data warehouses: eql_vmfs-vdi-thinapp) restored. Path
vmhba41:C1:T24:l0 is active again.
Info
10.07.2013 12:19
eql_vmfs-vdi-thinapp

And also:

Alarm "Unable to connect to storage" on esx04.hials.
No. changed from gray to gray
Info
10.07.2013 12:22:51
esx04.hials.no

Firmware EQL: 6.0.2

ESXi version: 5.1.0 - 799733

Software iscsi adapter

We installed the MEM disabled delayedack, LRO and also increased login_timeout to 60 s.

Any tips?

Welcome to the club,

We have seen it work on every vSphere + solution EQL, we have deployed over the years. Most of the customers don't see it because the have not configured notification of special alarm on vCenter.

The 'problem' produced once per week or month. Most of the time not all data warehouses are performed and also not all hosts. The reconnection is made in the same second, and we don't see never liked problem here. The bad news, it's that you get emails with false-positive alarm.

Kind regards

Joerg

Tags: Dell Products

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