Re: Raid 1

From	Andrei POPESCU <andreimpopescu@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Raid 1
Date	2021-01-25 07:40 +0100
Message-ID	<BB3HA-5bk-5@gated-at.bofh.it> (permalink)
References	(2 earlier) <BAzgu-2XH-17@gated-at.bofh.it> <BARwL-5xc-23@gated-at.bofh.it> <BARwL-5xc-21@gated-at.bofh.it> <BAW3o-8vW-11@gated-at.bofh.it> <BAW3o-8vW-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

On Du, 24 ian 21, 23:21:38, Linux-Fan wrote:
> mick crane writes:
> 
> > On 2021-01-24 17:37, Andrei POPESCU wrote:
> 
> [...]
> 
> > > If you want to combine Linux RAID and ZFS on just two drives you could
> > > partition the drives (e.g. two partitions on each drive), use the first
> > > partition on each drive for Linux RAID, install Debian (others will have
> > > to confirm whether the installer supports creating RAID from partitions)
> > > and then use the other partitions for the ZFS pool.
> 
> I can confirm that this works. In fact, I always thought that to be the
> "best practice" for MDADM: To use individual partitions rather than whole
> devices. OTOH for ZFS, best practice seems to be to use entire devices. I am
> not an expert on this, though :)

ZFS is actually using GPT partitions and also automatically creates a 
"reserve" 8 MiB partition, just in case a replacement disk is not 
exactly the same size as the other disk(s) in a VDEV.

So far I haven't found a way around it (not that I care, as I prefer to 
partition manually and identify physical devices by partition label)

Kind regards,
Andrei
-- 
http://wiki.debian.org/FAQsFromDebianUser

Thread

Raid 1 mick crane <mick.crane@gmail.com> - 2021-01-22 23:30 +0100
  Re: Raid 1 Linux-Fan <Ma_Sys.ma@web.de> - 2021-01-23 00:10 +0100
  Re: Raid 1 David Christensen <dpchrist@holgerdanske.com> - 2021-01-23 00:20 +0100
  Re: Raid 1 David Christensen <dpchrist@holgerdanske.com> - 2021-01-23 00:20 +0100
  Re: Raid 1 Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-23 13:30 +0100
    Re: Raid 1 Linux-Fan <Ma_Sys.ma@web.de> - 2021-01-23 18:20 +0100
      Re: Raid 1 Linux-Fan <Ma_Sys.ma@web.de> - 2021-01-23 19:00 +0100
        Re: Raid 1 Pankaj Jangid <pankaj@codeisgreat.org> - 2021-01-25 07:00 +0100
          Re: Raid 1 Andy Smith <andy@strugglers.net> - 2021-01-25 08:20 +0100
            Re: Raid 1 Linux-Fan <Ma_Sys.ma@web.de> - 2021-01-25 12:10 +0100
              Re: Raid 1 Pankaj Jangid <pankaj@codeisgreat.org> - 2021-01-25 13:50 +0100
    Re: Raid 1 David Christensen <dpchrist@holgerdanske.com> - 2021-01-23 23:10 +0100
      Re: Raid 1 Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-24 18:40 +0100
        Re: Raid 1 Linux-Fan <Ma_Sys.ma@web.de> - 2021-01-24 23:30 +0100
          Re: Raid 1 Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-25 07:40 +0100
      Re: Raid 1 Andy Smith <andy@strugglers.net> - 2021-01-24 19:00 +0100
        Re: Raid 1 Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-24 21:20 +0100
      Re: Raid 1 David Christensen <dpchrist@holgerdanske.com> - 2021-01-24 21:20 +0100
        Re: Raid 1 deloptes <deloptes@gmail.com> - 2021-01-25 09:50 +0100
        Re: Raid 1 David Christensen <dpchrist@holgerdanske.com> - 2021-01-25 19:00 +0100

csiph-web