Re: SAS tape drives

2013-12-11 Thread Mark Davies
On Wednesday 11 December 2013 20:46:17 Manuel Bouyer wrote: I found this: https://www.ascent.co.nz/productspecification.aspx?ItemID=413461 but that seems to use the mps driver on FreeBSD and NetBSD doesn't have it. Any guess on how hard it would be to port? Hopefully it's supported by

LTFS

2013-12-11 Thread Emmanuel Dreyfus
Following up on the SAS LTO talks: anyone tried LTFS on NetBSD? I am currently working on building IBM ltfs as packaged by Tandberg. The thing as Linux specific code to handle SCSI passthrough. If someone already ported it, I am interested. For the filesystem side, this links against libfuse,

Re: BPF memstore and bpf_validate_ext()

2013-12-11 Thread Mindaugas Rasiukevicius
Alexander Nasonov al...@yandex.ru wrote: If this is the case, you don't need BPF_COP at all. For this particular case - yes, correct. Except of course you may run out or memwords one day and you want to have BPF_COP as a fallback. I still need BPF_COP for other tasks

Re: SAS tape drives

2013-12-11 Thread Eduardo Horvath
On Wed, 11 Dec 2013, Mark Davies wrote: On Wed, 11 Dec 2013, Eduardo Horvath wrote: Last time I fiddled around with the LSI MegaRAID stack it did not provide any sort of transparent access to attached devices. Can you create a LUN with the tape device? You might have more success

Porting Linux SCSI ioctl stuff (was: Re: LTFS)

2013-12-11 Thread Emmanuel Dreyfus
Emmanuel Dreyfus m...@netbsd.org wrote: I am currently working on building IBM ltfs as packaged by Tandberg. The thing as Linux specific code to handle SCSI passthrough. If someone already ported it, I am interested. For now the build chokes on a few SCSI related ioctl. I am looking for the