Re: RAID growing and --backup-file

2015-06-21 Thread Pascal Hambourg
Gary Dale a écrit : > > re. booting with a degraded array. I haven't tried it myself but it > looks like it should work. It should, as long as the array knows that is is degraded before shutdown or reboot. Due to incremental assembly being enabled in Jessie udev scripts, if you just shutdown, r

Re: RAID growing and --backup-file

2015-06-20 Thread Gary Dale
On 20/06/15 04:24 PM, PaulNM wrote: On 06/20/2015 06:50 AM, Gary Dale wrote: I don't think this helps, but a RAID6 array with one failed drive is the same as RAID5 for all practical purposes. With 8 drives, I'd be very leery of converting from RAID6 to RAID5. The risk of a second drive failing

Re: RAID growing and --backup-file

2015-06-20 Thread PaulNM
On 06/20/2015 06:50 AM, Gary Dale wrote: I don't think this helps, but a RAID6 array with one failed drive is the same as RAID5 for all practical purposes. With 8 drives, I'd be very leery of converting from RAID6 to RAID5. The risk of a second drive failing while re-adding the first is not negl

Re: RAID growing and --backup-file

2015-06-20 Thread Gary Dale
On 20/06/15 05:47 AM, PaulNM wrote: Hey Folks, I'm attempting to convert a degraded RAID 6 array to a RAID 5 array. Doing that requires either spare devices or a --backup-file that isn't on the active array. In this situation, everything is on the array except /boot, which is on a u

RAID growing and --backup-file

2015-06-20 Thread PaulNM
Hey Folks, I'm attempting to convert a degraded RAID 6 array to a RAID 5 array. Doing that requires either spare devices or a --backup-file that isn't on the active array. In this situation, everything is on the array except /boot, which is on a usb flash drive. Reading up on the backup-f