Re: [CentOS] xfs not getting it right?

2017-09-20 Thread Chris Adams
Once upon a time, hw said: > Are you saying there is no difference between a RAID1 and a non-raid > device as far as xfs is concerned? Yes. > What if you use hardware RAID? No difference - same result. > When you look at [1], it tells you to specify su and sw with hardware >

Re: [CentOS] xfs not getting it right?

2017-09-20 Thread Fred Smith
On Wed, Sep 20, 2017 at 06:12:39PM +0200, hw wrote: > Chris Adams wrote: > >Once upon a time, hw said: > >>xfs is supposed to detect the layout of a md-RAID devices when creating the > >>file system, but it doesn´t seem to do that: > >> > >> > >># cat /proc/mdstat > >>Personalities

Re: [CentOS] xfs not getting it right?

2017-09-20 Thread Jon Pruente
On Wed, Sep 20, 2017 at 11:12 AM, hw wrote: > Are you saying there is no difference between a RAID1 and a non-raid > device as far as xfs is concerned? > > What if you use hardware RAID? > RAID1 is mirroring. There is nothing to stripe because the virtual device is almost

Re: [CentOS] xfs not getting it right?

2017-09-20 Thread hw
Chris Adams wrote: Once upon a time, hw said: xfs is supposed to detect the layout of a md-RAID devices when creating the file system, but it doesn´t seem to do that: # cat /proc/mdstat Personalities : [raid1] md10 : active raid1 sde[1] sdd[0] 499976512 blocks super 1.2

Re: [CentOS] xfs not getting it right?

2017-09-20 Thread Chris Adams
Once upon a time, hw said: > I was expecting that the correct stripe size and stripe width would be used. RAID level 1 has no stripe size or width. -- Chris Adams ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] xfs not getting it right?

2017-09-20 Thread hw
Stephen John Smoogen wrote: On 20 September 2017 at 10:47, hw wrote: Hi, xfs is supposed to detect the layout of a md-RAID devices when creating the file system, but it doesn´t seem to do that: # cat /proc/mdstat Personalities : [raid1] md10 : active raid1 sde[1] sdd[0]

Re: [CentOS] xfs not getting it right?

2017-09-20 Thread Chris Adams
Once upon a time, hw said: > xfs is supposed to detect the layout of a md-RAID devices when creating the > file system, but it doesn´t seem to do that: > > > # cat /proc/mdstat > Personalities : [raid1] > md10 : active raid1 sde[1] sdd[0] > 499976512 blocks super 1.2 [2/2]

Re: [CentOS] xfs not getting it right?

2017-09-20 Thread Stephen John Smoogen
On 20 September 2017 at 10:47, hw wrote: > > Hi, > > xfs is supposed to detect the layout of a md-RAID devices when creating the > file system, but it doesn´t seem to do that: > > > # cat /proc/mdstat > Personalities : [raid1] > md10 : active raid1 sde[1] sdd[0] > 499976512

[CentOS] xfs not getting it right?

2017-09-20 Thread hw
Hi, xfs is supposed to detect the layout of a md-RAID devices when creating the file system, but it doesn´t seem to do that: # cat /proc/mdstat Personalities : [raid1] md10 : active raid1 sde[1] sdd[0] 499976512 blocks super 1.2 [2/2] [UU] bitmap: 0/4 pages [0KB], 65536KB chunk