Re: [zfs-discuss] Re: ZFS questions (hybrid HDs)

2006-07-28 Thread Jonathan Edwards
On Jun 21, 2006, at 11:05, Anton B. Rang wrote: My guess from reading between the lines of the Samsung/Microsoft press release is that there is a mechanism for the operating system to pin particular blocks into the cache (e.g. to speed boot) and the rest of the cache is used for write

[zfs-discuss] Re: ZFS questions (hybrid HDs)

2006-06-21 Thread Anton B. Rang
Actually, while Seagate's little white paper doesn't explicitly say so, the FLASH is used for a write cache and that provides one of the major benefits: Writes to the disk rarely need to spin up the motor. Probably 90+% of all writes to disk will fit into the cache in a typical laptop

Re: [zfs-discuss] Re: ZFS questions (hybrid HDs)

2006-06-21 Thread Darren Reed
Anton B. Rang wrote: Actually, while Seagate's little white paper doesn't explicitly say so, the FLASH is used for a write cache and that provides one of the major benefits: Writes to the disk rarely need to spin up the motor. Probably 90+% of all writes to disk will fit into the cache in a