Re: [CentOS] Kernel panic after removing SW RAID1 partitions, setting up ZFS.

2019-04-11 Thread Gordon Messmer
On 4/11/19 2:21 PM, Jyrki Tikka wrote: On Wed, 10 Apr 2019 08:38:04 -0700, Benjamin Smith wrote I drove to the site, picked up the machine, and last night found that the problem wasn't anything to do with mdadm, but rather setting a partition to GPT. If you want to boot a BIOS based machine w

Re: [CentOS] Kernel panic after removing SW RAID1 partitions, setting up ZFS.

2019-04-11 Thread Jyrki Tikka
On Wed, 10 Apr 2019 08:38:04 -0700, Benjamin Smith wrote >I drove to the site, picked up the machine, and last night found that the >problem wasn't anything to do with mdadm, but rather setting a partition to >GPT. For some reason, you *cannot* have a partition of type GPT and expect >Linux t

Re: [CentOS] Kernel panic after removing SW RAID1 partitions, setting up ZFS.

2019-04-10 Thread Warren Young
On Apr 10, 2019, at 9:38 AM, Benjamin Smith wrote: > > For some reason, you *cannot* have a partition of type GPT and expect > Linux to boot. (WT F/H?!?) I believe you were trying to make use of a facility invented as part of the GPT Protective Partition feature without understanding it first

Re: [CentOS] Kernel panic after removing SW RAID1 partitions, setting up ZFS.

2019-04-10 Thread Benjamin Smith
On Tuesday, April 9, 2019 2:53:55 AM PDT Simon Matter via CentOS wrote: > > I think it's because you clobbered md0 when you did --zero-superblock on > > sd[ab]1 > > instead of 2. As mentioned in another reply, this was a typo in the email, not on the machine. I drove to the site, picked up the

Re: [CentOS] Kernel panic after removing SW RAID1 partitions, setting up ZFS.

2019-04-09 Thread Simon Matter via CentOS
> In article <6566355.ijnrhnp...@tesla.schoolpathways.com>, > Benjamin Smith wrote: >> System is CentOS 6 all up to date, previously had two drives in MD RAID >> configuration. >> >> md0: sda1/sdb1, 20 GB, OS / Partition >> md1: sda2/sdb2, 1 TB, data mounted as /home >> >> Installed kmod ZFS via y

Re: [CentOS] Kernel panic after removing SW RAID1 partitions, setting up ZFS.

2019-04-09 Thread Tony Mountifield
In article <6566355.ijnrhnp...@tesla.schoolpathways.com>, Benjamin Smith wrote: > System is CentOS 6 all up to date, previously had two drives in MD RAID > configuration. > > md0: sda1/sdb1, 20 GB, OS / Partition > md1: sda2/sdb2, 1 TB, data mounted as /home > > Installed kmod ZFS via yum, re

[CentOS] Kernel panic after removing SW RAID1 partitions, setting up ZFS.

2019-04-08 Thread Benjamin Smith
System is CentOS 6 all up to date, previously had two drives in MD RAID configuration. md0: sda1/sdb1, 20 GB, OS / Partition md1: sda2/sdb2, 1 TB, data mounted as /home Installed kmod ZFS via yum, reboot, zpool works fine. Backed up the /home data 2x, then stopped the sd[ab]2 partition with: