Re: Best practices for raid 1

2017-01-12 Thread Tomasz Kusmierz
That was long winded way of saying “there is no mechanism in btrfs to tell you exactly which device is missing” but thanks anyway. > On 12 Jan 2017, at 12:47, Austin S. Hemmelgarn wrote: > > On 2017-01-11 15:37, Tomasz Kusmierz wrote: >> I would like to use this thread to

Re: Best practices for raid 1

2017-01-11 Thread Tomasz Kusmierz
I would like to use this thread to ask few questions: If we have 2 devices dying on us and we run RAID6 - this theoretically will still run (despite our current problems). Now let’s say that we booted up raid6 of 10 disk and 2 of them dies but operator does NOT know what are dev ID of disk

Re: Best practices for raid 1

2017-01-11 Thread Austin S. Hemmelgarn
On 2017-01-10 16:49, Chris Murphy wrote: On Tue, Jan 10, 2017 at 2:07 PM, Vinko Magecic wrote: Hello, I set up a raid 1 with two btrfs devices and came across some situations in my testing that I can't get a straight answer on. 1) When replacing a volume, do

Re: Best practices for raid 1

2017-01-11 Thread Tomasz Kusmierz
> On 10 Jan 2017, at 21:07, Vinko Magecic > wrote: > > Hello, > > I set up a raid 1 with two btrfs devices and came across some situations in > my testing that I can't get a straight answer on. > 1) When replacing a volume, do I still need to `umount /path`

Re: Best practices for raid 1

2017-01-10 Thread Chris Murphy
On Tue, Jan 10, 2017 at 2:07 PM, Vinko Magecic wrote: > Hello, > > I set up a raid 1 with two btrfs devices and came across some situations in > my testing that I can't get a straight answer on. > > 1) When replacing a volume, do I still need to `umount /path` and