Re: [dm-devel] [bug?] "vgs" command hanging after running "targetctl clear"

2016-06-15 Thread Chris Friesen
On 06/15/2016 12:27 PM, Chris Friesen wrote: I'm running a CentOS-7 based system, so if that disqualifies me due to the amount of kernel patches please let me know. :) Anyways, I've run into some weird behaviour. I have a single system. I'm exporting an ISCSI target using

[dm-devel] [bug?] "vgs" command hanging after running "targetctl clear"

2016-06-15 Thread Chris Friesen
I'm running a CentOS-7 based system, so if that disqualifies me due to the amount of kernel patches please let me know. :) Anyways, I've run into some weird behaviour. I have a single system. I'm exporting an ISCSI target using targetctl. The backing store is a thinly-provisioned LVM volume

Re: [dm-devel] [PATCH] block: transfer source bio's cgroup tags to clone via bio_associate_blkcg()

2016-03-02 Thread Chris Friesen
On 03/02/2016 02:10 PM, Vivek Goyal wrote: On Wed, Mar 02, 2016 at 09:59:13PM +0200, Nikolay Borisov wrote: We had similar issue with IO priority and it did not work reliably with CFQ on underlying device when dm devices were sitting on top. If we really want to give it a try, I guess we will

Re: [dm-devel] blkio cgroups controller doesn't work with LVM?

2016-02-25 Thread Chris Friesen
On 02/25/2016 08:53 AM, Mike Snitzer wrote: On Thu, Feb 25 2016 at 2:48am -0500, Nikolay Borisov wrote: On 02/24/2016 08:12 PM, Chris Friesen wrote: Are there known limitations with the blkio cgroup controller when used with LVM? I'm using Ubuntu 15.10 with the 4.2 kernel. I got the

[dm-devel] blkio cgroups controller doesn't work with LVM?

2016-02-25 Thread Chris Friesen
Hi, Are there known limitations with the blkio cgroup controller when used with LVM? I'm using Ubuntu 15.10 with the 4.2 kernel. I got the same results with CentOS 7. I set up two groups, /sys/fs/cgroup/blkio/test1 and /sys/fs/cgroup/blkio/test2. I set the weight for test1 to 500, and the