Re: [zfs-discuss] questions about zil

2010-05-26 Thread Attila Mravik
>> >> Since this is a SSD you're talking about, unless you have enabled >> nonvolatile write cache on that disk (which you should never do), and the >> disk incorrectly handles cache flush commands (which it should never do), >> then the supercap is irrelevant.  All ZIL writes are to be done >> syn

Re: [zfs-discuss] Interesting experience with Nexenta - anyone seen it?

2010-05-21 Thread Attila Mravik
> AFAIK OCZ Vertex 2 does not use volatile DRAM cache but non-volatile NAND > grid. Whether it respects or ignores the cache flush seems irrelevant. > > There has been previous discussion about this: > http://comments.gmane.org/gmane.os.solaris.opensolaris.zfs/35702 > > "I'm pretty sure that all Sa