Re: No space on empty, degraded raid10

2014-09-11 Thread Russell Coker
On Mon, 8 Sep 2014, Austin S Hemmelgarn ahferro...@gmail.com wrote: Also, I've found out the hard way that system chunks really should be RAID1, NOT RAID10, otherwise it's very likely that the filesystem won't mount at all if you lose 2 disks. Why would that be different? In a RAID-1 you

Re: No space on empty, degraded raid10

2014-09-11 Thread Austin S Hemmelgarn
On 2014-09-11 02:40, Russell Coker wrote: On Mon, 8 Sep 2014, Austin S Hemmelgarn ahferro...@gmail.com wrote: Also, I've found out the hard way that system chunks really should be RAID1, NOT RAID10, otherwise it's very likely that the filesystem won't mount at all if you lose 2 disks. Why

Re: No space on empty, degraded raid10

2014-09-11 Thread Hugo Mills
On Thu, Sep 11, 2014 at 07:19:00AM -0400, Austin S Hemmelgarn wrote: On 2014-09-11 02:40, Russell Coker wrote: Also it would be nice if there was a N-way mirror option for system data. As such data is tiny (32MB on the 120G filesystem in my workstation) the space used by having a copy

Re: No space on empty, degraded raid10

2014-09-11 Thread Austin S Hemmelgarn
On 2014-09-11 07:38, Hugo Mills wrote: On Thu, Sep 11, 2014 at 07:19:00AM -0400, Austin S Hemmelgarn wrote: On 2014-09-11 02:40, Russell Coker wrote: Also it would be nice if there was a N-way mirror option for system data. As such data is tiny (32MB on the 120G filesystem in my

Re: No space on empty, degraded raid10

2014-09-11 Thread Hugo Mills
On Thu, Sep 11, 2014 at 08:06:21AM -0400, Austin S Hemmelgarn wrote: On 2014-09-11 07:38, Hugo Mills wrote: On Thu, Sep 11, 2014 at 07:19:00AM -0400, Austin S Hemmelgarn wrote: On 2014-09-11 02:40, Russell Coker wrote: Also it would be nice if there was a N-way mirror option for system

Re: No space on empty, degraded raid10

2014-09-08 Thread Austin S Hemmelgarn
On 2014-09-07 16:38, Or Tal wrote: Hi, I've created a new raid10 array from 4, 4TB drives in order to migrate old data to it. As I didn't have enough sata ports, I: - disconnected one of the raid10 disks to free a sata port, - connected an old disk I wanted to migrate, - mounted the array

No space on empty, degraded raid10

2014-09-07 Thread Or Tal
Hi, I've created a new raid10 array from 4, 4TB drives in order to migrate old data to it. As I didn't have enough sata ports, I: - disconnected one of the raid10 disks to free a sata port, - connected an old disk I wanted to migrate, - mounted the array with -o degraded - copied the data it it.