From: Ming Lin <mlin@kernel.org>
To: "Jens-U. Mozdzen" <jmozdzen@nde.ag>
Cc: linux-bcache@vger.kernel.org
Subject: Re: crash: kernel bug in bch_generic_make_request
Date: Fri, 31 Jul 2015 00:15:41 -0700 [thread overview]
Message-ID: <1438326941.26596.8.camel@hasee> (raw)
In-Reply-To: <20150727123616.Horde.QmkKAZrQpCm25D6aq4ZAhJY@www3.nde.ag>
On Mon, 2015-07-27 at 12:36 +0200, Jens-U. Mozdzen wrote:
>
> - bcache bucket size is 512k, tree_depth is 1
>
> - setup details:
>
> -- md RAID6 "data" via seven 1 TB physical disks ("blockdev --getsz"
> reports 9767605760 512byte blocks, approx 5 TB)
>
> -- md RAID1 "cache" via two 128 GB SSDs ("blockdev --getsz" reports
> 249936512 512byte blocks, approx 125 GB)
>
> -- "bcache0" made from "data" and "cache"
>
> -- LVM via single physical volume "bcache0"
>
> -- many LVs create with older kernel
>
> -- DRBD on top of each LV. This server is always primary, no
> "fail-over" to a different node!
>
> -- file system (to be) created on the DRBD devices
I tried setup DRBD on 2 VMs(qemu-kvm), but couldn't reproduce it.
Could you write a script to show how you setup all
these(bcache/RAID/LVM/DRBD)?
prev parent reply other threads:[~2015-07-31 7:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 10:36 crash: kernel bug in bch_generic_make_request Jens-U. Mozdzen
2015-07-30 16:11 ` Jens-U. Mozdzen
2015-07-31 5:44 ` Ming Lin
2015-07-31 9:30 ` Jens-U. Mozdzen
2015-08-03 10:02 ` Jens-U. Mozdzen
2015-07-31 7:15 ` Ming Lin [this message]
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