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Re: mdadm - two questions

From kjonca@poczta.onet.pl (Kamil Jońca)
Newsgroups linux.debian.user
Subject Re: mdadm - two questions
Date 2016-11-29 01:50 +0100
Message-ID <sIEMq-T5-11@gated-at.bofh.it> (permalink)
References <sGnd0-1Py-47@gated-at.bofh.it>
Organization linux.* mail to news gateway

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kjonca@poczta.onet.pl (Kamil Jońca) writes:

[...]> 2. there is md0 (raid1) with two disk in it. It is PV for lvm.
> I want to extend space by adding  another two disks. Is it possible somehow
> extent md0? Or the only way is to create second md device, and assign it
> to volume group?

My first plan was somehow migrate to RAID10. I thought that is simply
"raid0 over some raid1 arrays" so it should be legal to use 2*1TB +
2*1GB devices and then extend 2*1G => 2*1TB. But it not work that
way. All devices in linux mdadm raid10 array must be the same, or I'm
missing something.
So simplest way in my case is to make second device and assign it as PV
to VG.

KJ

-- 
http://wolnelektury.pl/wesprzyj/teraz/
You will have good luck and overcome many hardships.

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Thread

mdadm - two questions   kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-22 18:40 +0100
  Re: mdadm - two questions Dan Ritter <dsr@randomstring.org> - 2016-11-22 19:10 +0100
    Re: mdadm - two questions kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-22 21:40 +0100
      Re: mdadm - two questions Dan Ritter <dsr@randomstring.org> - 2016-11-22 22:00 +0100
        Re: mdadm - two questions kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-23 06:40 +0100
      Re: mdadm - two questions Jens Sauer <jsauer65@gmail.com> - 2016-11-22 22:10 +0100
  Re: mdadm - two questions Frédéric Marchal <frederic.marchal@wowtechnology.com> - 2016-11-23 14:10 +0100
  Re: mdadm - two questions kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-29 01:50 +0100
    Re: mdadm - two questions Andy Smith <andy@strugglers.net> - 2016-11-30 06:10 +0100
      Re: mdadm - two questions   Rick Thomas <rbthomas@pobox.com> - 2016-11-30 10:50 +0100
        Re: mdadm - two questions kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-30 13:10 +0100
          Re: mdadm - two questions   Rick Thomas <rbthomas@pobox.com> - 2016-11-30 14:20 +0100
      Re: mdadm - two questions kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-30 13:00 +0100
  mdadm - Progress mails of checkarray now missing Hans Kraus <hans@hanswkraus.com> - 2016-12-10 21:10 +0100

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