My technique has been to look through top or ps on Dom0 for the QEMU processes and correlate those PIDs with what I see in /proc/PID. The proc/PID/cmdline file specifies which domid the QEMU process is doing the device emulation for. If QEMU instances are running, try killing the QEMU processes that are running for Domains that are destroyed.
On Mon, Nov 28, 2016 at 1:27 PM, Thomas Toka <t...@ip-projects.de> wrote: > Hello, > > > > thanks for answering Neil. I think Neil means the block devices ? > > > > Neil can you show us how to verify if those devices are still running for > the null domain ids? > > > > I also think its maybe just a timing problem, maybe they do not shut down > always as they should.. > > > > We can give you surely access to such u box and you could have a look.. > > > > Mit freundlichen Grüßen > > > > Thomas Toka > > > > - Second Level Support - > > > > [image: logo_mail] > > IP-Projects GmbH & Co. KG > Am Vogelherd 14 > D - 97295 Waldbrunn > > Telefon: 09306 - 76499-0 > FAX: 09306 - 76499-15 > E-Mail: i...@ip-projects.de > > Geschäftsführer: Michael Schinzel > Registergericht Würzburg: HRA 6798 > Komplementär: IP-Projects Verwaltungs GmbH > > > > > > *Von:* Michael Schinzel > *Gesendet:* Montag, 28. November 2016 18:20 > *An:* Neil Sikka <neilsi...@gmail.com> > *Cc:* Xen-devel <xen-de...@lists.xenproject.org>; Thomas Toka < > t...@ip-projects.de> > *Betreff:* AW: [Xen-devel] Payed Xen Admin > > > > Hello, > > > > thank you for your response. There are no quemu prozesses which we can > identify with the ID of the failed guest. > > > > > > Mit freundlichen Grüßen > > > > Michael Schinzel > > - Geschäftsführer - > > > > [image: https://www.ip-projects.de/logo_mail.png] > <https://www.ip-projects.de/> > > IP-Projects GmbH & Co. KG > Am Vogelherd 14 > D - 97295 Waldbrunn > > Telefon: 09306 - 76499-0 > FAX: 09306 - 76499-15 > E-Mail: i...@ip-projects.de > > Geschäftsführer: Michael Schinzel > Registergericht Würzburg: HRA 6798 > Komplementär: IP-Projects Verwaltungs GmbH > > > > > > *Von:* Neil Sikka [mailto:neilsi...@gmail.com <neilsi...@gmail.com>] > *Gesendet:* Montag, 28. November 2016 14:30 > *An:* Michael Schinzel <schin...@ip-projects.de> > *Cc:* Xen-devel <xen-de...@lists.xenproject.org> > *Betreff:* Re: [Xen-devel] Payed Xen Admin > > > > Usually, I've seen (null) domains are not running but their Qemu DMs are > running. You could probably remove the (null) from the list by using "kill > -9" on the qemu pids. > > > > On Nov 27, 2016 11:55 PM, "Michael Schinzel" <schin...@ip-projects.de> > wrote: > > Good Morning, > > > > we have some issues with our Xen Hosts. It seems it is a xen bug but we do > not find the solution. > > > > Name ID Mem VCPUs State > Time(s) > > Domain-0 0 16192 4 r----- > 147102.5 > > (null) 2 1 1 --p--d > 1273.2 > > vmanager2268 4 1024 1 -b---- > 34798.8 > > vmanager2340 5 1024 1 -b---- > 5983.8 > > vmanager2619 12 512 1 -b---- > 1067.0 > > vmanager2618 13 1024 4 -b---- > 1448.7 > > vmanager2557 14 1024 1 -b---- > 2783.5 > > vmanager1871 16 512 1 -b---- > 3772.1 > > vmanager2592 17 512 1 -b---- > 19744.5 > > vmanager2566 18 2048 1 -b---- > 3068.4 > > vmanager2228 19 512 1 -b---- > 837.6 > > vmanager2241 20 512 1 -b---- > 997.0 > > vmanager2244 21 2048 1 -b---- > 1457.9 > > vmanager2272 22 2048 1 -b---- > 1924.5 > > vmanager2226 23 1024 1 -b---- > 1454.0 > > vmanager2245 24 512 1 -b---- > 692.5 > > vmanager2249 25 512 1 -b---- > 22857.7 > > vmanager2265 26 2048 1 -b---- > 1388.1 > > vmanager2270 27 512 1 -b---- > 1250.6 > > vmanager2271 28 2048 3 -b---- > 2060.8 > > vmanager2273 29 1024 1 -b---- > 34089.4 > > vmanager2274 30 2048 1 -b---- > 8585.1 > > vmanager2281 31 2048 2 -b---- > 1848.9 > > vmanager2282 32 512 1 -b---- > 755.1 > > vmanager2288 33 1024 1 -b---- > 543.6 > > vmanager2292 34 512 1 -b---- > 3004.9 > > vmanager2041 35 512 1 -b---- > 4246.2 > > vmanager2216 36 1536 1 -b---- > 47508.3 > > vmanager2295 37 512 1 -b---- > 1414.9 > > vmanager2599 38 1024 4 -b---- > 7523.0 > > vmanager2296 39 1536 1 -b---- > 7142.0 > > vmanager2297 40 512 1 -b---- > 536.7 > > vmanager2136 42 1024 1 -b---- > 6162.9 > > vmanager2298 43 512 1 -b---- > 441.7 > > vmanager2299 44 512 1 -b---- > 368.7 > > (null) 45 4 1 --p--d > 1296.3 > > vmanager2303 46 512 1 -b---- > 1437.0 > > vmanager2308 47 512 1 -b---- > 619.3 > > vmanager2318 48 512 1 -b---- > 976.8 > > vmanager2325 49 512 1 -b---- > 480.2 > > vmanager2620 53 512 1 -b---- > 346.2 > > (null) 56 0 1 > --p--d 8.8 > > vmanager2334 57 512 1 -b---- > 255.5 > > vmanager2235 58 512 1 -b---- > 1724.2 > > vmanager987 59 512 1 -b---- > 647.1 > > vmanager2302 60 512 1 -b---- > 171.4 > > vmanager2335 61 512 1 > -b---- 31.3 > > vmanager2336 62 512 1 > -b---- 45.1 > > vmanager2338 63 512 1 > -b---- 22.6 > > vmanager2346 64 512 1 > -b---- 20.9 > > vmanager2349 65 2048 1 > -b---- 14.4 > > vmanager2350 66 512 1 -b---- > 324.8 > > vmanager2353 67 512 1 > -b---- 7.6 > > > > > > HVM VMs change sometimes in the state (null). > > > > We still upgraded xen from 4.1.1 to 4.8, we upgraded the System Kernel – > > > > root@v8:~# uname -a > > Linux v8.ip-projects.de 4.8.10-xen #2 SMP Mon Nov 21 18:56:56 CET 2016 > x86_64 GNU/Linux > > > > But all these points dont help us to solve this issue. > > > > Now we are searching a Xen administrator which can help us anylising and > solving this issue. We would also pay for this Service. > > > > Hardware Specs of the host: > > > > 2x Intel Xeon E5-2620v4 > 256 GB DDR4 ECC Reg RAM > 6x 3 TB WD RE > 2x 512 GB Kingston KC > 2x 256 GB Kingston KC > 2x 600 GB SAS > LSI MegaRAID 9361-8i > MegaRAID Kit LSICVM02 > > > > > > The cause behind this Setup: > > > > 6x 3 TB WD RE – RAID 10 – W/R IO Cache + CacheCade LSI – Data Storage > > 2x 512 GB Kingston KC400 SSDs – RAID 1 – SSD Cache for RAID 10 Array > > 2x 256 GB Kingston KC400 SSD – RAID 1 – SWAP Array for Para VMs > > 2x 600 GB SAS - RAID 1 – Backup Array for faster Backup of the VMs to > external Storage. > > > > > > > > > > Mit freundlichen Grüßen > > > > Michael Schinzel > > - Geschäftsführer - > > > > [image: https://www.ip-projects.de/logo_mail.png] > <https://www.ip-projects.de/> > > IP-Projects GmbH & Co. KG > Am Vogelherd 14 > D - 97295 Waldbrunn > > Telefon: 09306 - 76499-0 > FAX: 09306 - 76499-15 > E-Mail: i...@ip-projects.de > > Geschäftsführer: Michael Schinzel > Registergericht Würzburg: HRA 6798 > Komplementär: IP-Projects Verwaltungs GmbH > > > > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > https://lists.xen.org/xen-devel > > -- My Blog: http://www.neilscomputerblog.blogspot.com/ Twitter: @neilsikka
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