On Wed, 2010-08-18 at 01:20 -0700, Alxen4 wrote:
> Thanks...Now I think I understand...
>
> Let me summarize it andd let me know if I'm wrong.
>
> Disabling ZIL converts all synchronous calls to asynchronous which makes ZSF
> to report data acknowledgment before it actually was written to stable
> storage which in turn improves performance but might cause data corruption in
> case of server crash.
>
> Is it correct ?
>
> In my case I'm having serious performance issues with NFS over ZFS.
> My NFS Client is ESXi so the major question is there risk of corruption for
> VMware images if I disable ZIL ?
Yes. If your server crashes, you can lose data.
- Garrett
>
>
> Thanks.
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