Re: [zfs-discuss] slog and TRIM support [SEC=UNCLASSIFIED]

2010-08-26 Thread Freddie Cash
On Wed, Aug 25, 2010 at 6:18 PM, Wilkinson, Alex alex.wilkin...@dsto.defence.gov.au wrote:    0n Wed, Aug 25, 2010 at 02:54:42PM -0400, LaoTsao ?? wrote:    IMHO, U want -E for ZIL and -M for L2ARC Why ? -E uses SLC flash, which is optimised for fast writes. Ideal for a ZIL which is

Re: [zfs-discuss] slog and TRIM support [SEC=UNCLASSIFIED]

2010-08-25 Thread Wilkinson, Alex
0n Wed, Aug 25, 2010 at 02:54:42PM -0400, LaoTsao ?? wrote: IMHO, U want -E for ZIL and -M for L2ARC Why ? -Alex IMPORTANT: This email remains the property of the Department of Defence and is subject to the jurisdiction of section 70 of the Crimes Act 1914. If you have

Re: [zfs-discuss] slog and TRIM support [SEC=UNCLASSIFIED]

2010-08-25 Thread LaoTsao 老曹
-M has larger capacity and L2ARC is mostly for read and not much write and U also need memory for ARC L2ARC should be the sze of Ur working dataset ZIL is mostly for write and U want SSD for better write and longer life and ZIl may be =1/2 phy memory regards On 8/25/2010 9:18 PM,