since i have quite a few problems with corosync3 since the updates from the last weeks i tried to add a second ring but somehow the config i made was broken.
i think the problem is that the config i made would be for corosync2 and therefore i got errors like "no multicast port defined" on...
the ceph upgrade wen't quite smooth through, altough i haven't rebooted the nodes so far and atm i'm getting the bluefs spillover messages like mentioned in another thread. i have to look deeper into this problem if it has something to do with my "low spec" ceph cluster or something else...
A short information for all with infiniband adapters, with the update the name changed from ib0, ib1 to ibs3, ibs3d1. At least with my Mellanox ConnectX-2 Dual Port cards.
This brought the first node i updated to a complete stop as the networking service wouldn't start and i had to adjust my...
looks like the same problem as mine
in the last days i did the backup with "uncompressed" or "gzip" and all went good, but it is damn slow in comparision to lzo :(
since a few weeks, i think since i upgraded to 3.3, i have the problem that when the backup fails, it kills the guest entirely.
INFO: Starting Backup of VM 205 (qemu)
INFO: status = running
INFO: update VM 205: -lock backup
INFO: backup mode: snapshot
INFO: ionice priority: 7...
thx for your answer and infos
as far as i have seen you weren't lookin for speed, only reliability but i'm looking for both :D
thats why i think the underlying raid wouldn't fit my needs to 100%
in the meantime i thought of something like 12 disks with only 7k2rpm
if i were able to find some...
Try this with an e.g. dell r720 or any other Business Server ;)
edit: and the sandisk pro series does some "advanced wear leveling"
maybe this would be the right sd cards to test with
pls report back how the install and behaviour of the system is when its installed on the dell internal dual sd module.
i plan to do the same and thought of these SD cards: http://www.sandisk.com/products/memory-cards/sd/extremepro-sdxc-sdhc-uhs-ii/ (in 32gig version)