[OmniOS-discuss] Two panics now while writing eager zeros to zvols

[Richard Jahnel]

Scratch that. Just panicked again on 250gb disks.

From: Richard Jahnel
Sent: Monday, October 12, 2015 9:46 AM
To: wuffers; Dan McDonald
Cc: imemo; omnios-discuss at lists.omniti.com
Subject: RE: [OmniOS-discuss] Two panics now while writing eager zeros to zvols

Hmmm seems possible. Both panics included attempts to make eager zeroed volumes larger than 2 TB.

From: wuffers [mailto:moo at wuffers.net]
Sent: Saturday, October 10, 2015 2:19 AM
To: Dan McDonald
Cc: Richard Jahnel; imemo; omnios-discuss at lists.omniti.com<mailto:omnios-discuss at lists.omniti.com>
Subject: Re: [OmniOS-discuss] Two panics now while writing eager zeros to zvols

Is this the same bug I ran into in March?

http://lists.omniti.com/pipermail/omnios-discuss/2015-March/004540.html

I'm running a newer stmf_sbd that Dan made which solved my issue. It had something to do with the WRITE_SAME VAAI primitive, but I'm also running with COMSTAR.

Dan was pretty busy preparing for R151014 at the time, so he hasn't had a chance to upstream it back.

On Fri, Oct 9, 2015 at 11:33 PM, Dan McDonald <danmcd at omniti.com<mailto:danmcd at omniti.com>> wrote:
That's just the "you had a kernel panic" message.  Shoot.  I was hoping for hardware problems.

What is that process I mentioned -- VS20Vol20_snapcy ? What is it doing?  It's driven from cron, but I can't tell much beyond that.  (Most kernel dumps don't take in userspace text.)

Dan

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