On Tue, 31 May 2022 05:27:37 -0500 o1bigtenor <o1bigte...@gmail.com> wrote:
> On Tue, May 31, 2022 at 1:00 AM tito via Dng <dng@lists.dyne.org> wrote: > > > > On Mon, 30 May 2022 17:03:56 -0500 > > o1bigtenor via Dng <dng@lists.dyne.org> wrote: > > > > > Greetings > > > > > > I am investing in a new system. > > > (Ryzen 7 5800X + Ryzen 570 gpu) > > > > > > The old system has a raid 10 array that I would like to put into the new > > > system. > > > > > > The new system is going to add 2 M2 drives that I want to set up as raid 1 > > > and this is for use for /EFI, /boot, /, /var, /usr and swap. > > > There are 2 2.5" SDDs that are going to be set up as raid 1 for /home. > > > Want to be running Devuan daedalus. > > > > > > The idea is to transfer the previously used drives from the old system > > > into the new system. > > > > > > The question: > > > is it better to load the system and then add the hard drives > > > > > > or > > > > > > do I move the drives into the system and then install the system with > > > the drives at the same time. > > > > > > (2 step process or 1 step process.) > > Hi, > > I've done this before and it could be done in both ways > > without problems, but to avoid confusion in the install > > and disk format step I nowadays prefer to do it in multiple steps: > > 1) install system with only the needed system drives. > > 2) when the system is installed and fully setup add the raid arrays one by > > one > > 3) assemble the array > > 4) modify /etc/fstab, /etcmdadm/mdadm.conf, update-initramfs > > 5) add scrubbing to crontab > > 6) add the drives to smartd.conf > > 7) reboot, check that array is up at boot > > 8) go to step 3 for the next array and so on until done. > > > > Thank you for the recommendations!! > > I'm not sure what # 4 through 6 are doing and how to do them or > why to do them. 4) you should add the newly added arrays to /etc/fstab so that they are mounted at boot, run as root: blkid /dev/mdX /dev/mdX: UUID="xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxxxxx" BLOCK_SIZE="4096" TYPE="ext4" then open /etc/fstab with ab editor of your choice and add the line: UUID=xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxxxxx /dir_where_you_want_it_to_be_mounted ext4 defaults 0 2 then to update /etc/mdadm/mdadm.conf run as root: mdadm --examine --scan and copy any missing ARRAY definitions to /etc/mdadm/mdadm.conf then to update you initramfs with the updated files run as root: update-initramfs -k all -u 5) about drive scrubbing read https://raid.wiki.kernel.org/index.php/Scrubbing_the_drives This is done in some longer time intervals automatically by devuan but on systems where I care I run scrubbing daily when the system is idle and therefore I add a line to /etc/crontab: 00 11 * * * root echo check >> /sys/block/mdX/md/sync_action 6) You should install smartmontools to monitor your harddisks's health status see man smartd and man smartd.conf Ciao, Tito > > Please advise. > > TIA _______________________________________________ Dng mailing list Dng@lists.dyne.org https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng