On Tue, May 31, 2022 at 7:12 AM tito via Dng <dng@???> wrote:
>
> On Tue, 31 May 2022 05:27:37 -0500
> o1bigtenor <o1bigtenor@???> wrote:
>
> > On Tue, May 31, 2022 at 1:00 AM tito via Dng <dng@???> wrote:
> > >
> > > On Mon, 30 May 2022 17:03:56 -0500
> > > o1bigtenor via Dng <dng@???> 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
>
>
Thank you mr Tito!!
Have smartmontools running at present.
Thank you very much for explaining!!
Regards
::
Re: [DNG] New build + extras
