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From: Gionatan Danti <>
To: LVM general discussion and development <>
Cc: Ilia Zykov <>
Subject: Re: [linux-lvm] Maximum address used by a virtual disk on a thin pool.
Date: Thu, 13 Jun 2019 21:54:35 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Il 13-06-2019 18:05 Ilia Zykov ha scritto:
> Hello.
> Tell me please, how can I get the maximum address used by a virtual 
> disk
> (disk created with -V VirtualSize). I have several large virtual disks,
> but they use only a small part at the beginning of the disk. For 
> example:
> # lvs
>   LV         VG  Attr       LSize   Pool     Origin Data%
>   mylvm      CVG Vwi-aot--- 100,00g fastheap        7,13
> Please advise me how to determine from which address the virtual disk
> did not allocate real disk space? And all the data read from addresses
> greater than this address will be exactly zeros. Or maybe, how can I 
> get
> map of the used chunks of disk?
> Thanks.

Maybe thin_dump[1] can help you?


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

  reply	other threads:[~2019-06-13 19:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-13 16:05 [linux-lvm] Maximum address used by a virtual disk on a thin pool Ilia Zykov
2019-06-13 19:54 ` Gionatan Danti [this message]
2019-06-14  8:54   ` Zdenek Kabelac

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