Re: zfs/raidz: seems like I'm failing with math

2016-10-25 Thread Antony Uspensky
On Mon, 17 Oct 2016, Eugene M. Zheganin wrote: Thanks ! It does explain it. But then again, on a pool that has been just created, I check the properties of the root dataset (I'm posting all the properties, just to display there's no child datasets or data on the pool): ===Cut=== # zfs get all

Re: zfs/raidz: seems like I'm failing with math

2016-10-16 Thread Eugene M. Zheganin
Hi. On 16.10.2016 23:42, Gary Palmer wrote: You're confusing disk manufacturer gigabytes with real (power of two) gigabytes. The below turns 960 197 124 096 into real gigabytes Yup, I thought that smartctl is better than that and already displayed the size with base 1024. :) Thanks. Eugene

Re: zfs/raidz: seems like I'm failing with math

2016-10-16 Thread Eugene M. Zheganin
Hi. On 16.10.2016 22:06, Alan Somers wrote: It's raw size, but the discrepancy is between 1000 and 1024. Smartctl is reporting base 10 size, but zpool is reporting base 1024.. 960197124096.0*6/1024**4 = 5.24 TB, which is pretty close to what zpool says. Thanks ! It does explain it. But then aga

Re: zfs/raidz: seems like I'm failing with math

2016-10-16 Thread Gary Palmer
On Sun, Oct 16, 2016 at 09:56:10PM +0500, Eugene M. Zheganin wrote: > Hi. > > FreeBSD 11.0-RC1 r303979, zfs raidz1: > > ===Cut=== > > # zpool status gamestop >pool: gamestop > state: ONLINE >scan: none requested > config: > > NAMESTATE READ WRITE CKSUM >

Re: zfs/raidz: seems like I'm failing with math

2016-10-16 Thread Alan Somers
On Sun, Oct 16, 2016 at 10:56 AM, Eugene M. Zheganin wrote: > Hi. > > FreeBSD 11.0-RC1 r303979, zfs raidz1: > > ===Cut=== > > # zpool status gamestop > pool: gamestop > state: ONLINE > scan: none requested > config: > > NAMESTATE READ WRITE CKSUM > gamestopONLI