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From: Zdenek Kabelac <zkabelac@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] thin handling of available space
Date: Tue, 3 May 2016 17:45:11 +0200	[thread overview]
Message-ID: <5728C787.8030406@redhat.com> (raw)
In-Reply-To: <5728A481.6080600@assyoma.it>

On 3.5.2016 15:15, Gionatan Danti wrote:
> On 03/05/2016 13:42, Zdenek Kabelac wrote:
>>
>> What's wrong with  'lvs'?
>> This will give you the available space in thin-pool.
>>
>
> Oh, absolutely nothing wrong with lvs. I used "lsblk" only as an example of
> the block device/layer exposing some (lack of) features to upper layer.
>
> One note about the continued "suggestion" to use BTRFS. While for relatively

It's not  'continued' suggestion.

It's just the example of solution where   'filesystem & block layer' are tied 
together.  Every solution has some advantages and disadvantages.

> simple use case it can be ok, for more demanding (rewrite-heavy) scenarios
> (eg: hypervisor, database, ecc) it performs *really* bad, even when "nocow" is
> enabled.

So far I'm convinced layered design gives user more freedom - for the price
of bigger space usage.


>
> Anyway, ThinLVM + XFS is an extremely good combo in my opinion.
>

Yes, thought ext4 is quite good as well...

Zdenek

  reply	other threads:[~2016-05-03 15:45 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <929635034.3140318.1461840230292.JavaMail.yahoo.ref@mail.yahoo.com>
2016-04-28 10:43 ` [linux-lvm] thin handling of available space matthew patton
2016-04-28 18:20   ` Xen
2016-04-28 18:25   ` Xen
2016-04-29 11:23     ` Zdenek Kabelac
2016-05-02 14:32       ` Mark Mielke
2016-05-03  9:45         ` Zdenek Kabelac
2016-05-03 10:41           ` Mark Mielke
2016-05-03 11:18             ` Zdenek Kabelac
2016-05-03 10:15         ` Gionatan Danti
2016-05-03 11:42           ` Zdenek Kabelac
2016-05-03 13:15             ` Gionatan Danti
2016-05-03 15:45               ` Zdenek Kabelac [this message]
2016-05-03 12:42       ` Xen
     [not found] <799090122.6079306.1462373733693.JavaMail.yahoo.ref@mail.yahoo.com>
2016-05-04 14:55 ` matthew patton
2016-05-03 18:19 Xen
     [not found] <1614984310.1700582.1462280490763.JavaMail.yahoo.ref@mail.yahoo.com>
2016-05-03 13:01 ` matthew patton
2016-05-03 15:47   ` Xen
2016-05-04  0:56   ` Mark Mielke
     [not found] <1870050920.5354287.1462276845385.JavaMail.yahoo.ref@mail.yahoo.com>
2016-05-03 12:00 ` matthew patton
2016-05-03 14:38   ` Xen
2016-05-04  1:25   ` Mark Mielke
2016-05-04 18:16     ` Xen
     [not found] <1684768750.3193600.1461851163510.JavaMail.yahoo.ref@mail.yahoo.com>
2016-04-28 13:46 ` matthew patton
     [not found] <518072682.2617983.1461760017772.JavaMail.yahoo.ref@mail.yahoo.com>
2016-04-27 12:26 ` matthew patton
2016-04-27 21:28   ` Xen
2016-04-28  6:46     ` Marek Podmaka
2016-04-28 10:33       ` Xen
  -- strict thread matches above, loose matches on Subject: below --
2016-04-23 17:53 Xen
2016-04-27 12:01 ` Xen

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