Hi Dag ! Great support and sharing, really appreciated that ! 2016-05-19 16:37 GMT+08:00 Lv Haijiao <[email protected]>:
> The issue seems gone while we migrate a SSD+HDD mixed storage which has > much better I/O performance than previous NFS one. > > Thanks Dag, your advice is helpful. > > 2016-05-05 21:55 GMT+08:00 Lv Haijiao <[email protected]>: > >> Hi, Dag >> >> Thanks for your hint ! >> >> We don't have chance to reproduce this on our production platform, but >> we notice most of these VMs hitting this issue are DB server. >> >> Even that, live migration is supposed to consume less bandwidth as >> majority of VM data is still on the shared storage, need no replication, >> except the data in memory. >> >> Is it right ? :-) >> >> 2016-05-05 18:04 GMT+08:00 Lv Haijiao <[email protected]>: >> >>> Hi, >>> >>> Here's our environment, >>> >>> >>> - ACS 4.7.1 >>> - Ubuntu 14.04 KVM >>> - NFS as shared, primary storage >>> >>> >>> While we do a couple of VMs live migration in sequence from physical >>> server A to B, the file system of some VMs goes into 'ready only' status >>> unless we reboot the VM again. >>> >>> No clue why we only hit this issue on some of VMs. >>> >>> Any advice or experience sharing is most appreciated ! >>> >> >> >
