There are cases when simfs is better solution. We have such cases. Any way, the other problems remain.
12.09.2014 8:56, Devon B. пишет: > Shouldn't be millions of small files with ploop. Should just be the > one: root.hdd. Where it is mounted shouldn't matter (VE_ROOT). > > On 9/11/2014 9:57 PM, 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 issues plus source >> folder with CT is not deleted after migration, only symlink. >> >> >> 12.09.2014 7:16, Devon B. пишет: >>> Like I said though, use a symlink per VE, not the entire vz2/vz >>> directory. Then you won't have to change anything in the config. Just >>> create a symlink for the virtual servers you want on the second SSD >>> 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/Vzmigrate_filesystem_aware >>>> but it is for older version of vzmigrate. >>>> >>>> Yes, I tried symlink and >>>> >>>> 1) /vz2 -> /vz2 as symlink on /vz and back >>>> and I have changed private/root paths in CT conf after >>>> vzmigrate+vzmigrate back and files was not removed after second >>>> vzmigrate (from node where symlink was). >>>> >>>> 2) /vz -> /vz2 >>>> looks ok but I have to change pathes in CT config after so CT should be >>>> restarted with downtime. >>>> >>>> So, all this does not look good. May be it can be better with mount >>>> --bind, 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 to specified >>>>>> partition on >>>>>> the new server but I can't find how to do it. Does anybody know? >>>>>> >>>>> You could get dirty and do it manually with ploop send and >>>>> checkpointing. However, have you tried just using a symlink from >>>>> /vz/private/VEID to /vz2/private/VEID? >>> _______________________________________________ >>> Users mailing list >>> Users@openvz.org >>> https://lists.openvz.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.org https://lists.openvz.org/mailman/listinfo/users
