You don't need to buy the same raid card, its enough to buy card from the same factory, or in this case, any card with LSI chipset. They will recognise raid configuration and load it from disks.
Hello,
You can install kernel and grub easily to Xen PV, it will not cause any issue in Xen. However, if you want to install kernel before migration, don't forget to enable (force) virtio modules (or other devices what are you configured) in initrd.
Its really depending on your usa case and your hardware. For example SSD only CEPH with lot of small transaction require more CPU than spinner disks with lot of huge block operationals. And also, you want hyper converged ceph or regular.
Eq. if you have a 12 bay server with 10 regular sata HDD...
Hi,
dac cable also using SFP so the latency almost the same. It's basically two sfp module connected with coax. But there is a regular RJ45 copper based 10gbit, where latency also wrong. This is because of interface, not because of the material (rj45 vs sfp+)
I can reproducate this also. However, its not happening everytime, but i not see any system in it.
Usually if i press F5 on noVNC windows it start working, but not always.
Config: https://pastebin.com/xZDZpLXJ
I recommend 10 gbit for the beginning. Not only for bandwith, but latency, which also matter. And (optical!) 10gbit have much less latency than copper 1 gbit.
Hello,
LACP willn't split packets across multiple nic. For example a single TCP stream will always send/receive on the same NIC, so you can not have more bandwith than 1GBit. However, you can easily have 4 1 gbit tcp stream, or more, so the summ of all bandwith can be 4 gbit, but one tcp stream...
Hi,
Sometimes we can not use unprivileged containers (eq. when quota required), in this case how much secure privileged containers? Apparmor can be protect node, or its depending on things (eq. unknown vulns, etc)
I had the same issue with 4.10.17-3-pve kernel, with openvswitch and bonding network interfaces. Booting 4.10.17-2-pve kernel looks like resolved the issue.
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