On Tue, 2008-07-29 at 14:54 -0400, Ric Wheeler wrote: > Martin K. Petersen wrote: > >>>>>> "James" == James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> writes: > >>>>>> > > > > James> The problem, which ata_ram also suffers, is that the tools we > > James> most need to test are the ones for manipulating non volatile > > James> characteristics (like partition tables). We'd really like the > > James> disk contents to survive reboot for this ... > > > > Yeah, I should add that I wanted persistence too. I went through a > > whole stack (well, 5-6 or so) fibre channel drives from various > > vendors and attempted to low-level format them to 4KB sectors. Most > > of them laughed in my face. One of them tried to comply and > > irreparably confused its firmware in the process. > > > > Just yesterday I received a couple of prototype drives in the mail. > > I'll ask the vendor whether they support 4KB and if so I'll give them > > a whirl. > > > Isn't this a great use case for a SCSI target device where our target > can be a software disk on a remote host? What is missing for us to put > something like that together? Technically nothing. Tomo should already have one for the STGT test infrastructure (I've cc'd him). James -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
