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From: "DERUMIER, Alexandre via pve-devel" <pve-devel@lists.proxmox.com>
To: "pve-devel@lists.proxmox.com" <pve-devel@lists.proxmox.com>,
	"d.kral@proxmox.com" <d.kral@proxmox.com>
Cc: "DERUMIER, Alexandre" <alexandre.derumier@groupe-cyllene.com>
Subject: Re: [pve-devel] [PATCH v2 storage 05/10] rbd plugin: implement volume import/export
Date: Wed, 18 Dec 2024 15:33:46 +0000	[thread overview]
Message-ID: <mailman.268.1734536036.332.pve-devel@lists.proxmox.com> (raw)
In-Reply-To: <75eb7496-2e1c-4418-924d-74ac006fa6df@proxmox.com>

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From: "DERUMIER, Alexandre" <alexandre.derumier@groupe-cyllene.com>
To: "pve-devel@lists.proxmox.com" <pve-devel@lists.proxmox.com>, "d.kral@proxmox.com" <d.kral@proxmox.com>
Subject: Re: [pve-devel] [PATCH v2 storage 05/10] rbd plugin: implement volume import/export
Date: Wed, 18 Dec 2024 15:33:46 +0000
Message-ID: <15b28f8ffe3292817c5171ab8e683b0d8f446dfe.camel@groupe-cyllene.com>

>>Am 18.12.24 um 15:20 schrieb Daniel Kral:
> >>- When exporting with "pvesm export ...", the volume has the same
> checksum as with "rbd export ..." with the size header prepended

>>Well, I totally missed the existence of "rbd export" in my hurry to
>>get
>>this working. Seems to be about 1.5 times faster than mapping+dd from
>>some initial testing. Will use that in v3.

Hi, fiona, rbd export|import, this is the way, like zfs send|receive. 
(with snapshot support too, with export-diff|import-diff)

I't really fast because, if I remember, it's use big block size and is 
able to do parallelism. (can be tunned with --rbd-concurrent-
management-ops <number> )



No related, but could it be possible to implement it, for simple
vm/template full cloning with source+target are both rbd ? It's really
faster with 'qemu-img convert'





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  reply	other threads:[~2024-12-18 15:33 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-17 15:48 [pve-devel] [PATCH v2 storage 00/10] import/export for shared storages Fiona Ebner
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 01/10] iscsi direct plugin: fix return value for path() method in non-array context Fiona Ebner
2024-12-18 13:39   ` Fiona Ebner
2024-12-18 13:43     ` Fiona Ebner
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 02/10] rbd plugin: schema: document default value for 'krbd' setting Fiona Ebner
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 03/10] export: redirect stdout to avoid any unrelated messages ending up in the export stream Fiona Ebner
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 04/10] rbd plugin: factor out helper to check if volume already exists Fiona Ebner
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 05/10] rbd plugin: implement volume import/export Fiona Ebner
2024-12-18 14:20   ` Daniel Kral
2024-12-18 15:14     ` Fiona Ebner
2024-12-18 15:33       ` DERUMIER, Alexandre via pve-devel [this message]
2024-12-19  8:56         ` Fiona Ebner
2024-12-19 10:43           ` DERUMIER, Alexandre via pve-devel
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 06/10] iscsi plugin: support volume export Fiona Ebner
2024-12-18 14:05   ` Filip Schauer
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 07/10] iscsi direct " Fiona Ebner
2024-12-18 14:07   ` Filip Schauer
2024-12-17 15:48 ` [pve-devel] [RFC v2 storage 08/10] rbd plugin: volume exists helper: distinguish between different errors Fiona Ebner
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 09/10] common: introduce common module Fiona Ebner
2024-12-18  9:36   ` Max Carrara
2024-12-18  9:41     ` Fiona Ebner
2024-12-17 15:48 ` [pve-devel] [PATCH v2 storage 10/10] plugins: volume import: align size up to 1KiB Fiona Ebner
2024-12-18 10:34 ` [pve-devel] [PATCH v2 storage 00/10] import/export for shared storages Fiona Ebner
2024-12-18 14:08 ` Aaron Lauterer

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