Re: mkfs.btrfs cannot find rotational file for SSD detection for a pmem device

2015-09-09 Thread Austin S Hemmelgarn
On 2015-09-08 16:00, Elliott, Robert (Persistent Memory) wrote: -Original Message- From: Austin S Hemmelgarn [mailto:ahferro...@gmail.com] Sent: Tuesday, September 8, 2015 7:56 AM Subject: Re: mkfs.btrfs cannot find rotational file for SSD detection for a pmem device On 2015-09-06 13

Re: mkfs.btrfs cannot find rotational file for SSD detection for a pmem device

2015-09-09 Thread Boaz Harrosh
On 09/09/2015 02:28 PM, Austin S Hemmelgarn wrote: > On 2015-09-08 16:00, Elliott, Robert (Persistent Memory) wrote: <> > this may actually make things slower (the particular effect of SSD mode > is that it tries to spread allocations out as much as possible, as this > helps with wear-leveling

Re: mkfs.btrfs cannot find rotational file for SSD detection for a pmem device

2015-09-09 Thread Boaz Harrosh
On 09/09/2015 03:40 PM, Austin S Hemmelgarn wrote: > On 2015-09-09 08:12, Boaz Harrosh wrote: >> On 09/09/2015 02:28 PM, Austin S Hemmelgarn wrote: >>> On 2015-09-08 16:00, Elliott, Robert (Persistent Memory) wrote: >> <> >> >>> this may actually make things slower (the particular effect of SSD

Re: mkfs.btrfs cannot find rotational file for SSD detection for a pmem device

2015-09-09 Thread Austin S Hemmelgarn
On 2015-09-09 08:12, Boaz Harrosh wrote: On 09/09/2015 02:28 PM, Austin S Hemmelgarn wrote: On 2015-09-08 16:00, Elliott, Robert (Persistent Memory) wrote: <> this may actually make things slower (the particular effect of SSD mode is that it tries to spread allocations out as much as

RE: mkfs.btrfs cannot find rotational file for SSD detection for a pmem device

2015-09-08 Thread Elliott, Robert (Persistent Memory)
> -Original Message- > From: Austin S Hemmelgarn [mailto:ahferro...@gmail.com] > Sent: Tuesday, September 8, 2015 7:56 AM > Subject: Re: mkfs.btrfs cannot find rotational file for SSD detection for > a pmem device > > On 2015-09-06 13:51, Elliott, Robert (Per

mkfs.btrfs cannot find rotational file for SSD detection for a pmem device

2015-09-06 Thread Elliott, Robert (Persistent Memory)
mkfs.btrfs does not detect pmem devices as being SSDs in kernel 4.2. Label: (null) UUID: 46603efe-728c-43fe-8241-ffc125e1a7ed Node size: 16384 Sector size:4096 Filesystem size:8.00GiB Block group profiles: Data: single