Re: [CentOS] Xorg --configure

2020-11-24 Thread Michael Hennebry
On Mon, 23 Nov 2020, Jonathan Billings wrote: On Mon, Nov 23, 2020 at 09:27:21AM -0600, Michael Hennebry wrote: I'm currently running Centos 8 off an SD card. It, unlike F32, lets me use my monitor's full 1440 x 900. Both seem to use defaults and EDID, but F32 gets it wrong and saddles me wit

Re: [CentOS] Xorg --configure

2020-11-24 Thread Michael Hennebry
On Mon, 23 Nov 2020, Jonathan Billings wrote: On Mon, Nov 23, 2020 at 09:27:21AM -0600, Michael Hennebry wrote: I'm currently running Centos 8 off an SD card. It, unlike F32, lets me use my monitor's full 1440 x 900. Both seem to use defaults and EDID, Are you sure it isn't dropping to bas

Re: [CentOS] Update from 7 to 8

2020-11-24 Thread jtj
El 23/11/20 a las 16:44, Jerry Geis escribió: I stumbled on this today. https://www.hostwinds.com/guide/upgrading-from-centos-7-to-8/ I understand the best is always a re-install But are these steps the next best thing to update from 7 to 8 ? Thanks, Jerry

Re: [CentOS] installing Centos 8 to an SD card solved

2020-11-24 Thread Michael Hennebry
On Thu, 5 Nov 2020, Michael Hennebry wrote: The installer appears not to notice the card reader. Doing a df from tty2 also provides no notice of the card reader. Can what I am trying to do be done? The card currently has a German Knoppix on it. I know from experience that my machine can boot fr

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Jonathan Billings
On Tue, Nov 24, 2020 at 12:18:57PM -0700, Warren Young wrote: > ZFS is ready today. I disagree. It is ready today only if you are willing to abandon Linux entirely and switch to BSD, or run a Linux distro like Ubuntu that is possibly violating a license. 3rd-party repositories that use dkms c

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Warren Young
On Nov 24, 2020, at 10:05 AM, Simon Matter wrote: > > Why is a layered approach > worse than a fully included solution like ZFS? Just one reason is that you lose visibility of lower-level elements from the top level. You gave the example of a bad block in a RAID. What current RHEL type system

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Valeri Galtsev
On 11/24/20 12:44 PM, Simon Matter wrote: On 11/24/20 11:05 AM, Simon Matter wrote: On 11/24/20 1:20 AM, Simon Matter wrote: On 23/11/2020 17:16, Ralf Prengel wrote: Backup Von meinem iPhone gesendet You do have a recent backup available anyway, haven't you? That is: Even wit

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Simon Matter
> > > On 11/24/20 11:05 AM, Simon Matter wrote: >>> >>> >>> On 11/24/20 1:20 AM, Simon Matter wrote: > On 23/11/2020 17:16, Ralf Prengel wrote: >> Backup >> >> Von meinem iPhone gesendet > > You do have a recent backup available anyway, haven't you? That is: > Ev

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Warren Young
On Nov 24, 2020, at 10:43 AM, cen...@niob.at wrote: > > On 24/11/2020 18:32, John Pierce wrote: >> zpool create newpool mirror sdb sdc mirror sdd sde mirror sdf sdg mirror >> sdh sdi spare sdj sdk >> zfs create -o mountpoint=/var/lib/pgsql-11 newpool/postgres11 > > This *might* be a valid answer

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread centos
On 24/11/2020 18:32, John Pierce wrote: zpool create newpool mirror sdb sdc mirror sdd sde mirror sdf sdg mirror sdh sdi spare sdj sdk zfs create -o mountpoint=/var/lib/pgsql-11 newpool/postgres11 and done. This *might* be a valid answer if zfs was supported on plain CentOS... (and if the qu

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread John Pierce
zpool create newpool mirror sdb sdc mirror sdd sde mirror sdf sdg mirror sdh sdi spare sdj sdk zfs create -o mountpoint=/var/lib/pgsql-11 newpool/postgres11 and done. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/ce

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Valeri Galtsev
On 11/24/20 11:05 AM, Simon Matter wrote: On 11/24/20 1:20 AM, Simon Matter wrote: On 23/11/2020 17:16, Ralf Prengel wrote: Backup Von meinem iPhone gesendet You do have a recent backup available anyway, haven't you? That is: Even without planning to replace disks. And testing s

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Simon Matter
> On Tue, 24 Nov 2020 at 02:20, Simon Matter wrote: > >> > On 23/11/2020 17:16, Ralf Prengel wrote: >> >> Backup >> >> >> >> Von meinem iPhone gesendet >> > >> > You do have a recent backup available anyway, haven't you? That is: >> Even >> > without planning to replace disks. And testing

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Simon Matter
> --On Monday, November 23, 2020 4:46 PM +0100 Simon Matter > wrote: > >> I suggest to "mdadm --fail" one drive, then "mdadm --remove" it. After >> replacing the drive you can "mdadm --add" it. > > Does it make sense to dd or ddrescue from the removed drive to the > replacement? My md RAID set is

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Simon Matter
> > > On 11/24/20 1:20 AM, Simon Matter wrote: >>> On 23/11/2020 17:16, Ralf Prengel wrote: Backup Von meinem iPhone gesendet >>> >>> You do have a recent backup available anyway, haven't you? That is: >>> Even >>> without planning to replace disks. And testing such >>> strat

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Stephen John Smoogen
On Tue, 24 Nov 2020 at 02:20, Simon Matter wrote: > > On 23/11/2020 17:16, Ralf Prengel wrote: > >> Backup > >> > >> Von meinem iPhone gesendet > > > > You do have a recent backup available anyway, haven't you? That is: Even > > without planning to replace disks. And testing such strategi

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Kenneth Porter
--On Monday, November 23, 2020 4:46 PM +0100 Simon Matter wrote: I suggest to "mdadm --fail" one drive, then "mdadm --remove" it. After replacing the drive you can "mdadm --add" it. Does it make sense to dd or ddrescue from the removed drive to the replacement? My md RAID set is on primary

Re: [CentOS] Replacing SW RAID-1 with SSD RAID-1

2020-11-24 Thread Valeri Galtsev
On 11/24/20 1:20 AM, Simon Matter wrote: On 23/11/2020 17:16, Ralf Prengel wrote: Backup Von meinem iPhone gesendet You do have a recent backup available anyway, haven't you? That is: Even without planning to replace disks. And testing such strategies/sequences using loopback devic