Re: [CentOS] BIOS RAID0 and differences between disks

2020-11-04 Thread Valeri Galtsev
> On Nov 4, 2020, at 9:21 PM, John Pierce wrote: > > is it RAID 0 (striped) or raid1 (mirrored) ?? > > if you wrote on half of a raid0 stripe set, you basically trashed it. > blocks are striped across both drives, so like 16k on the first disk, then > 16k on the 2nd then 16k back on the first,

Re: [CentOS] BIOS RAID0 and differences between disks

2020-11-04 Thread John Pierce
is it RAID 0 (striped) or raid1 (mirrored) ?? if you wrote on half of a raid0 stripe set, you basically trashed it. blocks are striped across both drives, so like 16k on the first disk, then 16k on the 2nd then 16k back on the first, repeat (replace 16k with whatever your raid stripe size is). if

[CentOS] BIOS RAID0 and differences between disks

2020-11-04 Thread H
My computer running CentOS 7 is configured to use BIOS RAID0 and has two identical SSDs which are also encrypted. I had a crash the other day and due to a bug in the operating system update, I am unable to boot the system in RAID mode since dracut does not recognize the disks in grub. After modi

Re: [CentOS] enp0s25 disconnect

2020-11-04 Thread Michael Hennebry
On Wed, 4 Nov 2020, Paul Heinlein wrote: On Tue, 3 Nov 2020, Michael Hennebry wrote: I tried to boot a Centos 8.2 install CD, one burned with Centos-8-2-2004-x86_64-boot . In the setup, it persisted in telling me that ethernet thing enp0s25 was disconnected. I had the same thing happen in a

Re: [CentOS] enp0s25 disconnect

2020-11-04 Thread Michael Hennebry
On Wed, 4 Nov 2020, Paul Heinlein wrote: # %< # get status of all network devices nmcli device status # look at all the settings for ens192 nmcli connection show ens192 # enable ens192 at boot time nmcli connection modify ens192 connection.autoconnect yes # start ens192 immediately

Re: [CentOS] enp0s25 disconnect

2020-11-04 Thread Paul Heinlein
On Tue, 3 Nov 2020, Michael Hennebry wrote: I tried to boot a Centos 8.2 install CD, one burned with Centos-8-2-2004-x86_64-boot . In the setup, it persisted in telling me that ethernet thing enp0s25 was disconnected. Nyet. 'Twas working several seconds previous and is working now. This is a sh