bug#25103: partition alignment

2017-04-19 Thread Phil Susi
On 12/4/2016 3:14 PM, Volta wrote: > On 4 December 2016 at 01:55, Josep Lladonosa wrote: >> Maybe this value is not drive related but usb bus related. Is that a usb >> drive? I guess so. Found similar cases. One of them: >> >> https://www.mail-archive.com/search?l=linux-...@vger.kernel.org&q=subje

bug#25103: partition alignment

2016-12-04 Thread Volta
On 4 December 2016 at 01:55, Josep Lladonosa wrote: > On 4 Dec 2016 05:40, "Volta" wrote: >> 1 not aligned >> 1 aligned >> -- 8< -- >> >> So, I fell back to how we used to do this, but the numbers are... weird: >> >> -- 8< -- >> $ cat /sys/block/sdi/queue/optimal_io_size >> 33553920 > > Maybe thi

bug#25103: partition alignment

2016-12-04 Thread Josep Lladonosa
On 4 Dec 2016 05:40, "Volta" wrote: > > I'm not sure if this is a bug in parted (parted 3.2 on Ubuntu 16.04.1LTS x86-64), or a bug in my understanding of the concepts. Either way I'd like to know. > > I've got a new 8TB drive for which the "optimal" alignment calculated by parted doesn't satisfy

bug#25103: partition alignment

2016-12-03 Thread Volta
I'm not sure if this is a bug in parted (parted 3.2 on Ubuntu 16.04.1LTS x86-64), or a bug in my understanding of the concepts. Either way I'd like to know. I've got a new 8TB drive for which the "optimal" alignment calculated by parted doesn't satisfy the "minimal" alignment check. My understand