From: Zdenek Kabelac <zkabelac@redhat.com>
To: Gionatan Danti <g.danti@assyoma.it>,
LVM general discussion and development <linux-lvm@redhat.com>,
Ilia Zykov <linux@izyk.ru>
Subject: Re: [linux-lvm] Why doesn't the lvmcache support the discard (trim) command?
Date: Fri, 19 Oct 2018 11:49:53 +0200 [thread overview]
Message-ID: <406ad441-5832-3ad7-fb90-fe775a331785@redhat.com> (raw)
In-Reply-To: <4968bb3c-cec6-c746-fc2e-7f3754e3711b@assyoma.it>
Dne 19. 10. 18 v 11:42 Gionatan Danti napsal(a):
> On 19/10/2018 11:12, Zdenek Kabelac wrote:
>> And final note - there is upcoming support for accelerating writes with new
>> dm-writecache target.
>
> Hi, should not it be already possible with current dm-cache and writeback
> caching?
Hi
dm-cache targets different goal - new dm-writeback cache has way more optimal
write-pattern to accelerate writes - compared even with 'writeback' mode.
Another point is - dm-writecache is written with 'NVDIMMs' in mind and it's
also simpler.
Zdenek
next prev parent reply other threads:[~2018-10-19 9:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-18 22:56 [linux-lvm] Why doesn't the lvmcache support the discard (trim) command? Ilia Zykov
2018-10-19 9:12 ` Zdenek Kabelac
2018-10-19 9:42 ` Gionatan Danti
2018-10-19 9:49 ` Zdenek Kabelac [this message]
2018-10-19 9:55 ` Ilia Zykov
2018-10-19 10:58 ` Zdenek Kabelac
2018-10-19 12:45 ` Gionatan Danti
2018-10-19 13:08 ` Zdenek Kabelac
2018-10-19 13:16 ` Ilia Zykov
2018-10-19 17:00 ` Ilia Zykov
2018-10-22 10:54 ` Zdenek Kabelac
2018-10-19 20:54 ` Gionatan Danti
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