archive mirror
 help / color / mirror / Atom feed
From: Ilia Zykov <>
Subject: Re: [linux-lvm] Fast thin volume preallocation?
Date: Tue, 4 Jun 2019 08:23:35 +0300	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

>> Presumably you want a thick volume but inside a thin pool so that you
>> can used snapshots?
>> If so have you considered the 'external snapshot' feature?
> Yes, in some cases they are quite useful. Still, a fast volume
> allocation can be an handy addition.

Can I use external snapshot for fast zero allocation?
 "thpool" - is lvmthin with lvm zeroing disabled

# lvcreate -n ext2T -V 2TiB --thinpool thpool VG
# lvchange --permission r VG/ext2T

# lvcreate -n zeroed_lve -s VG/ext2T --thinpool VG/thpool

Or it will be the same as zeroing enabled?


      parent reply	other threads:[~2019-06-04  5:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-31 13:13 [linux-lvm] Fast thin volume preallocation? Gionatan Danti
2019-06-03 13:23 ` Joe Thornber
2019-06-03 19:23   ` Gionatan Danti
2019-06-03 21:12     ` Ilia Zykov
2019-06-05 10:31       ` Zdenek Kabelac
2019-06-04  5:23     ` Ilia Zykov [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).