On 18 mars 2010, at 16:58, David Dyer-Bennet wrote: > On Thu, March 18, 2010 04:50, erik.ableson wrote: > >> It would appear that the bus bandwidth is limited to about 10MB/sec >> (~80Mbps) which is well below the theoretical 400Mbps that 1394 is >> supposed to be able to handle. I know that these two disks can go >> significantly higher since I was seeing 30MB/sec when they were used on >> Macs previously in the same daisy-chain configuration. >> >> I get the same symptoms on both the 2009.06 and the b129 machines. > > While it wasn't on Solaris, I must say that I've been consistently > disappointed by the performance of external 1394 drives on various Linux > boxes. I invested in the interface cards for the boxes, and in the > external drives that supported Firewire, because everything said it > performed much better for disk IO, but in fact I have never found it to > be the case. > > Sort-of-glad to hear I don't have to wonder if I should be trying it on > Solaris.
Ditto on the Linux front. I was hoping that Solaris would be the exception, but no luck. I wonder if Apple wouldn't mind lending one of the driver engineers to OpenSolaris for a few months... Hmmm - that makes me wonder about the Darwin drivers - they're open sourced if I remember correctly. Erik _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss