[CentOS] Areca RAID controller on latest CentOS 7 (1708 i.e. RHEL 7.4) kernel 3.10.0-693.2.2.el7.x86_64

On Sun, October 22, 2017 3:35 pm, Joseph L. Casale wrote:
> -----Original Message-----
> From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Noam Bernstein
> Sent: Sunday, October 22, 2017 8:54 AM
> To: CentOS mailing list <centos at centos.org>
> Subject: [CentOS] Areca RAID controller on latest CentOS 7 (1708 i.e. RHEL
> 7.4) kernel 3.10.0-693.2.2.el7.x86_64
>
>> Is anyone running any Areca RAID controllers with the latest CentOS 7
kernel,
>> 3.10.0-693.2.2.el7.x86_64?  We recently updated (from 3.10.0-
>> 514.26.2.el7.x86_64), and we’ve started having lots of problems.  To

I run CentOS 7 fully updated, latest; kernel 3.10.0-693.2.2.el7.x86_64
on the machine that has a couple of Areca F/W V1.47 2009-07-16 & Model
ARC-1680 Driver Version 1.20.00.15 2010/08/05

(these host three large RAID-6's), system lives on a mirror behind similar
controller. No problems whatsoever.

Just a data point.

Valeri

>> add to
>> the confusion, there’s also a hardware problem (either with the
controller or
>> the backplane most likely) that we’re in the process of analyzing. 
Regardless,
>> we have an ARC1883i, and with the older kernel the system is stable, but
>> with the new kernel it locks up within 1-12 hours of boot, with errors in
>> /var/log/messages that start with things like
>> kernel: arcmsr0: abort device command of scsi id = 0 lun = 0
>> (that is indeed the RAID scsi device) and within a few minutes of those
also
>> things like
>> Oct 19 23:06:57 radon kernel: INFO: task xfsaild/dm-9:913 blocked for more
>> than 120 seconds.
>
> You mention you have hardware problems, what are they? A write is
blocked
> for longer than they host is willing to wait. There are a few sysctl
parameters
> that affect this but I'd be more willing to suggest its related to your
hardware
> problems.
>
> jlc
>
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++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
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