Bug#740701: [Netapp-Linux-Community] Bug#740701: multipath-tools: mkfs fails "Add. Sense: Incompatible medium installed"

[Sarraf, Ritesh]

Hello Hans,

Comments below....

-----Original Message-----
From: Netapp-Linux-Community [mailto:netapp-linux-community-bounces at linux.netapp.com] On Behalf Of Hans van Kranenburg
Sent: Friday, June 20, 2014 4:37 AM
To: Veeraraghavan, Kugesh; Sarraf, Ritesh; 740701 at bugs.debian.org
Cc: George, Martin; Bill MacAllister; netapp-linux-community at linux.netapp.com
Subject: Re: [Netapp-Linux-Community] Bug#740701: multipath-tools: mkfs fails "Add. Sense: Incompatible medium installed"

Hi,

On 06/19/2014 06:49 PM, Veeraraghavan, Kugesh wrote:
> + Martin who can provide assistance going forward.
>
> -----Original Message-----
> From: Netapp-Linux-Community 
> [mailto:netapp-linux-community-bounces at linux.netapp.com] On Behalf Of 
> Sarraf, Ritesh
> Sent: Thursday, June 19, 2014 10:08 PM
> To: Hans van Kranenburg; 740701 at bugs.debian.org
> Cc: Sarraf, Ritesh; Bill MacAllister; 
> netapp-linux-community at linux.netapp.com
> Subject: Re: [Netapp-Linux-Community] Bug#740701: multipath-tools: mkfs fails "Add. Sense: Incompatible medium installed"
>
> Hans,
>
> SCSI UNMAP functionality got complete very recently in the Linux kernel. >From what I see so far, you seem to be running on 3.2 kernel. The Debian kernel team's policy for stable is to only backport important fixes, and some device driver refreshes. I highly doubt they'd have backported SCSI enhancements.
>
> If UNMAP is important to you as a feature, you may want to try evaluate a more recent kernel.
>
> I just checked on b.d.o, it currently has Linux 3.12. That should be a good start to verify against.
>
> https://packages.debian.org/search?keywords=linux-image&searchon=names
> &section=all&suite=wheezy-backports

As long as I have not succeeded to construct a proper isolated reproducible test case which fails consistently, there's not much reason to start changing or trying anything I guess.


[rrs] Thanks. Please keep us posted once you have concluded on a persistent "steps to reproduce".