archive mirror
 help / color / mirror / Atom feed
From: Gionatan Danti <>
To: Zdenek Kabelac <>,
	LVM general discussion and development <>
Subject: Re: [linux-lvm] bcache as a new i/o layer?
Date: Fri, 30 Nov 2018 11:03:26 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 30/11/2018 10:52, Zdenek Kabelac wrote:
> Hi
> The name of i/o layer bcache is only internal to lvm2 code for caching
> reads form disks during disk processing - the name comes from usage
> of� bTree and caching - thus the name bcache.
> It's not a dm target - so nothing you could use for LVs.
> And has nothing in common with exiting� bcache kernel block device.
> The only purpose is to slightly accelerate device scanning and probing - 
> and helps mostly in cases your system has tons a devices that needs to 
> be scanned,
> since this bcache is also using async disk reads for its filling....

Hi Zdenek, thanks for the information.
I can imagine bcache being instrumental to the deprecation of lvmetad, 


Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. -
email: -
GPG public key ID: FF5F32A8

  reply	other threads:[~2018-11-30 10:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-30  9:35 [linux-lvm] bcache as a new i/o layer? Gionatan Danti
2018-11-30  9:52 ` Zdenek Kabelac
2018-11-30 10:03   ` Gionatan Danti [this message]
2018-11-30 10:23     ` Zdenek Kabelac

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).