Albert Chin wrote:
> On Tue, Jul 03, 2007 at 09:01:50AM -0700, Richard Elling wrote:
>> Albert Chin wrote:
>>> Some of the Sun storage arrays contain NVRAM. It would be really nice
>>> if the array NVRAM would be available for ZIL storage. It would also
>>> be nice for extra hardware (PCI-X, PCIe card) that added NVRAM storage
>>> to various sun low/mid-range servers that are currently acting as
>>> ZFS/NFS servers. Or maybe someone knows of cheap SSD storage that
>>> could be used for the ZIL? I think several HD's are available with
>>> SCSI/ATA interfaces.
>> First, you need a workload where the ZIL has an impact.
> 
> ZFS/NFS + zil_disable is faster than ZFS/NFS without zil_disable. So,
> I presume, ZFS/NFS + an NVRAM-backed ZIL would be noticeably faster
> than ZFS/NFS + ZIL.

... for NFS workloads which are sync-sensitive.
  -- richard
_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to