[Users] Is it possible to use sa inside CT's?

Hello all, Is it possible to use sa inside CT's? When I do # sa -im inside CT I get sa: ERROR -- print_stats_nicely called with num_calls == 0 But all seems to be ok if run on the node. -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

Re: [Users] Is it possible to use sa inside CT's?

(=BSD Process Accounting) can't be run in a OpenVZ container. Bye, Thorsten ___ Users mailing list Users@openvz.org https://openvz.org/mailman/listinfo/users -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

[Users] nginx, inside openvz CT, worker_cpu_affinity

? How will it work, if --cpus is specified and less then physical cores? How will it work, if --cpus is specified and CPU has hyper-threading and 1) --cpus less then cpu cores 2) or --cpus less and odd(!) (example: --cpus: 3, physical CPU cores: 4 + HT) -- Best Regards, Nick Knutov

[Users] AES-NI inside CT

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[Users] vzctl --noatime

Hello all, couple years ago vzctl had option --noatime. But now there is no such option: # vzctl set ${ve} --noatime yes --save non-option ARGV-elements: --save # man vzctl | grep noatime # What happened with it? Did not find anything about it in google. -- Best Regards, Nick Knutov http

Re: [Users] flashcache

incidents with ___FULL___ data loss from customers of flashcache. Beware of it in production. If you want speed you can try ZFS with l2arc/zvol cache because it's native solution. -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

Re: [Users] flashcache

performant than it is on the OpenSolaris forks... so you can build your own if you can spare the people to learn the best practices. I don't have a use for ZFS myself so I'm not really advocating it. TYL, -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23

Re: [Users] flashcache

zvols? I have done some testing with root and private directly on a zfs file system and so far everything seems to work just fine. What am I to expect down the road? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

Re: [Users] flashcache

numbers should change. Do you have really working zero downtime vzmigrate on ZFS? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo

[Users] vzmigrate to /vz2 instead of /vz

I have old server with usual disks and new server with two ssd which are smaller size. I have /vz on one disk and /vz2 on another. I want to live migrate CTs from the old server to specified partition on the new server but I can't find how to do it. Does anybody know? -- Best Regards, Nick

[Users] backup ploop

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Re: [Users] vzmigrate to /vz2 instead of /vz

, but this is also not a good way. 12.09.2014 5:33, Devon B. пишет: On 9/11/2014 7:00 PM, Nick Knutov wrote: I have old server with usual disks and new server with two ssd which are smaller size. I have /vz on one disk and /vz2 on another. I want to live migrate CTs from the old server

Re: [Users] vzmigrate to /vz2 instead of /vz

prior to migrating. mkdir /vz2/private/VEID ln -s /vz2/private/VEID /vz/private/VEID Then try the migration, does it work? On 9/11/2014 8:51 PM, Nick Knutov wrote: I'm not good enough with such openvz internals and was hoped there is ready solution. I found https://openvz.org

Re: [Users] vzmigrate to /vz2 instead of /vz

, Nick Knutov wrote: I did exactly so. Migration to symlink is working. And CT is running ok after. But private/root paths are rewritten after migration to /vz + for simfs with billions small files running CT from symlink can be slower. Migration from symlink is also working. With the same

Re: [Users] convert to ploop

(values printed in the error message are in sectors which are 512 bytes each). Solution: please be reasonable when requesting diskinodes for ploop. -- Best Regards, Nick Knutov ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman

Re: [Users] convert to ploop

to 2621440 Either that, or just remove the DISKINODES from CT config On 10/24/2014 8:05 PM, Nick Knutov wrote: Thanks, now I understand why this occurred, but what is the easiest way to convert a lot of different CTs to ploop? As I remember there is no way to set up unlimited diskinodes or disable

Re: [Users] Shortest guide about running OpenVZ containers on top of ZFS

over iSCSI... ..and there are still no speed tests. 12.11.2014 15:20, Pavel Odintsov пишет: Any questions/suggestions/performance test and other feedback are welcome here or on GitHub! -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

Re: [Users] Shortest guide about running OpenVZ containers on top of ZFS

maybe problems, good addition. I just added remark about quotes to comparison table. On Wed, Nov 12, 2014 at 9:56 PM, Nick Knutov m...@knutov.com wrote: Well, good beginning, but.. as we discussed earlier: in most cases of hosting purposes users need quotes. And quotes work only with ext4

Re: [Users] Shortest guide about running OpenVZ containers on top of ZFS

Oh. I missed this. 13.11.2014 2:28, Devon B. пишет: I don't think you can just run ploop over ZFS. Ploop requires ext4 as the host filesystem according to bug 2277: https://bugzilla.openvz.org/show_bug.cgi?id=2277 -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7

[Users] target VE_PRIVATE for vzmigrate

`. Is it possbile? (I know I can edit source, just want to check is it already implemented while I can't find it) -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https

Re: [Users] SIMFS users

Bronnikov пишет: we want find people who still use simfs for OpenVZ containers. Do we have such users? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https://lists.openvz.org

Re: [Users] migrate fails when fuse mounted

. 2015-10-28 12:22 GMT+03:00 Nick Knutov <m...@knutov.com <mailto:m...@knutov.com>>: Hello all, I have CT with sshfs mounted. When I tried to migrate this CT I got: Starting live migration of CT ... to ... OpenVZ is running... Checking for CPT version c

Re: [Users] flashcache

in clusters > 7 - 9 nodes and wishes to share his or her experience, that's more than welcome. Thanks, Corrado On 16/11/2015, at 4:44 AM, Nick Knutov wrote: Unfortunately, pstorage has two major disadvantages: 1) it's not free 2) it not usable for m

Re: [Users] flashcache

acceleration, i.e. it is distributed and it offers file system corruption prevention (background scrubbing). -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https

Re: [Users] ploop on ext4 without journal - bug?

(and still tune2fs -O ^has_journal) be fine? Was that fixed bug already compiled and sent to yum repository (package ploop I suppose) ? 07.10.2015 17:03, Dmitry Monakhov пишет: > Sergey Bronnikov <serg...@openvz.org> writes: > >> Dima, could you help? >> >> On 02:08

Re: [Users] ploop on ext4 without journal - bug?

? Was that fixed bug already compiled and sent to yum repository (package ploop I suppose) ? 07.10.2015 17:03, Dmitry Monakhov пишет: > Sergey Bronnikov <serg...@openvz.org> writes: > >> Dima, could you help? >> >> On 02:08 Wed 30 Sep , Nick Knutov wrote: >>

Re: [Users] ploop on ext4 without journal - bug?

? 07.10.2015 21:05, Dmitry Monakhov пишет: Nick Knutov <m...@knutov.com> writes: yes, I'm using SSDs. Partition was tune2fs -O ^has_journal /dev/sdX so I thought the journal was removed completely and data= section is not important at all. WOW.. This is hilarious. Indeed even w/o journal

Re: [Users] recalculate quota

. -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users

Re: [Users] flashcache

No. Even 2.x flashcashe is not possible to compile with recent openvz rhel6 kernels. 13.11.2015 15:57, CoolCold пишет: Bumping up - anyone still on flashcache & openvz kernels? Tried to compile flashcache 3.1.3 dkms against 2.6.32-042stab112.15 , getting errors: -- Best Regards,

[Users] live migration inside one physical node

Is it possible to do live migration between physical disks inside one physical node? I suppose the answer is still no, so the question is what is possible to do for this? -- Best Regards, Nick Knutov Voice: +7-904-84-23-130 ___ Users mailing list

[Users] ext4 mount options for Ploop on SSD

Hello all, what are the best/recommended mount options for ext4 on SSD disks for a large amount of Ploop-only CTs? -- Best Regards, Nick Knutov Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo

Re: [Users] live migration inside one physical node

zctl restore CTID" after you changed the configuration file. > > On 09/08/2015 07:14 AM, Nick Knutov wrote: > > > Is it possible to do live migration between physical disks inside one > > physical node? > > > I suppose the answer

[Users] ploop on ext4 without journal - bug?

to log in other ssh session and kill -9 it. Kernel: 042stab108.8 Is it a bug or I'm doing something wrong? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https

[Users] ipset and openvz

I know ipset is not virtualized, but I have number of trusted CTs and I want to use ipset inside them (and it's ok in my case to share all data between CTs and node). Is it possible to enable ipset for selected CTs? -- Best Regards, Nick Knutov

[Users] limit cpu per user

Hello, is it possible now to limit CPU per user inside CT? I assume it should be possible with cgroups but I don't know what exactly keywords should I google. kernel - latest openvz6 -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

[Users] PCI-e NVMe and OpenVZ 6

Hello all, will PCI-e NVMe like Intel P3600 and P3608 work with OpenVZ 6 if it is not boot drive? or should I forget about NVMe untill Virtuozzo 7 -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users

[Users] vzctl create with ploop not working

kill -9 I have empty folder with path /vz5/private/2016 (not 2016.tmp!) dmesg | tail ploop19205: unknown partition table What can be wrong? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing

Re: [Users] simfs challenge

ok, OVZ-6680 created. 04.02.2016 13:16, Konstantin Khorenko пишет: Hi Nick, i haven't found a jira issue from you, have you filed it? On 01/29/2016 05:04 AM, Nick Knutov wrote: Yes, the question is about ploop of course. How to get metadata of ploop image? `man what`? If you are ok

Re: [Users] simfs challenge

___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users

Re: [Users] simfs challenge

st regards, Konstantin Khorenko, Virtuozzo Linux Kernel Team On 01/28/2016 02:42 PM, Nick Knutov wrote: Hello, One of big reasons to prefer simfs over ploop is disk space overhead in ploop after using snapshots (for backups for example). It can be really huge - we have one CT which takes 120Gb inste

[Users] ploop block size

I think I saw it in the wiki but was unable to find now How to create ploop CT with vzctl create using smaller ploop block size then defaut 1MB ? Can I change it in some config file? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

[Users] NVMe and Virtuozzo 7

As far as I understand - Virtuozzo 7 kernel DOES NOT contain latest NVMe driver and RHEL 7 kernel has some speed problerms with NVMe. Are there any official recomendations or suggestions from Openvz team? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130

Re: [Users] Dirty COW

org/mailman/listinfo/users ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.or

[Users] Dirty COW

Does OpenVZ affected by Dirty COW? What is the best solution to fix it now? -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users

Re: [Users] Dirty COW

://www.spinics.net/lists/stable/msg147964.html On 21.10.2016 19:39, Vasily Averin wrote: yes 2.6.22+ are affected here you can find an system tap script for mitigation: https://bugzilla.redhat.com/show_bug.cgi?id=1384344#c13 On 21.10.2016 19:22, Nick Knutov wrote: Does OpenVZ affected by Dirty

[Users] openvz6, top and free memory

Hello all, `top ` shows privvmpages as used memory with all latest Openvz 6 kernel, instead of oomguarpages. Is it possible to fix it? I suppose it happened after COW bug was fixed ps: vswap is used, of course. -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84

Re: [Users] How OVZ community treats Vz7

___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users -- Best Regards, Nick Knutov http://knutov.com ICQ: 272873706 Voice: +7-904-84-23-130 ___ Users mailing list Users@openvz.org https