zil slog

Hi, these are offered rather cheaply out of China on eBay. I have never built a server with a dedicated SLOG device. I will need to build a server with HP hardware with > 100T. The current server uses 1.2T disks (48 in 6 RAID z2 vdevs) but I will need to at least double that. We would need a...

I have been reading about ZFS-ZIL/SLOG, I understand how it works and the benefits it provides, but I am confused when ZIL is used. When an application needs a sync write, data is written to ZIL which if I have understood correctly is located in pool disks, so why don't use the pool directly if...

I'm currently planning to deploy a set of FreeBSD machines that provide storage over NFS to virtualization hosts (Proxmox). I already have several Proxmox nodes running but currently all VM disks are in the node's local storage. While migration does work it does require me to shut-down a VM...

Hi, I have a confuse in ZFS about to synchronous writes, if an application issue writes as synchronous to storage, do zfs flush writes to storage each 5 seconds? very thanks, Thanks in advance