From: "DERUMIER, Alexandre via pve-devel" <pve-devel@lists.proxmox.com>
To: "pve-devel@lists.proxmox.com" <pve-devel@lists.proxmox.com>
Cc: "DERUMIER, Alexandre" <alexandre.derumier@groupe-cyllene.com>
Subject: Re: [pve-devel] [PATCH v3 qemu-server 08/11] blockdev: convert drive_mirror to blockdev_mirror
Date: Mon, 20 Jan 2025 13:37:20 +0000 [thread overview]
Message-ID: <mailman.20.1737380279.336.pve-devel@lists.proxmox.com> (raw)
In-Reply-To: <347515733.2990.1736775094981@webmail.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>
Subject: Re: [pve-devel] [PATCH v3 qemu-server 08/11] blockdev: convert drive_mirror to blockdev_mirror
Date: Mon, 20 Jan 2025 13:37:20 +0000
Message-ID: <8ae9ce4b14bd90df388e03b6c9b7e2d598f647b5.camel@groupe-cyllene.com>
>>the path referenced in the running VM is stable. the path you are
>>looking for in the graph is not. e.g., the path might be something
>>some storage software returns. or udev. or .. and that can change
>>with any software upgrade or not be 100% deterministic in the first
>>place.
>>
>>let's say you start the VM today and the path returned by the RBD
>>storage plugin is /dev/rbd/XYZ, so that is how the blockdev is
>>opened/the path is recorded. in two weeks, ceph gets updated and now
>>the udev rule or the storage plugin code changes to return the more
>>deterministic /dev/rbd/POOL/XYZ. now the paths don't match anymore.
>>(this is just an example where such a thing happened in practice
>>already ;)).
Yes, got it, thanks!
I have begin to work on the v4 with all your comments, I think it
should work with hash of volid, now that I have fixed the live
renaming. (that was really the main blocker)
I'll try to send a v4 before the fosdem
Thanks for the review and your time !
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next prev parent reply other threads:[~2025-01-20 13:38 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20241216091229.3142660-1-alexandre.derumier@groupe-cyllene.com>
2024-12-16 9:12 ` [pve-devel] [PATCH v1 pve-qemu 1/1] add block-commit-replaces option patch Alexandre Derumier via pve-devel
2025-01-08 13:27 ` Fabian Grünbichler
2025-01-10 7:55 ` DERUMIER, Alexandre via pve-devel
[not found] ` <34a164520eba035d1db5f70761b0f4aa59fecfa5.camel@groupe-cyllene.com>
2025-01-10 9:15 ` Fiona Ebner
2025-01-10 9:32 ` DERUMIER, Alexandre via pve-devel
[not found] ` <1e45e756801843dd46eb6ce2958d30885ad73bc2.camel@groupe-cyllene.com>
2025-01-13 14:28 ` Fiona Ebner
2025-01-14 10:10 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 01/11] blockdev: cmdline: convert drive to blockdev syntax Alexandre Derumier via pve-devel
2025-01-08 14:17 ` Fabian Grünbichler
2025-01-10 13:50 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 pve-storage 1/3] qcow2: add external snapshot support Alexandre Derumier via pve-devel
2025-01-09 12:36 ` Fabian Grünbichler
2025-01-10 9:10 ` DERUMIER, Alexandre via pve-devel
[not found] ` <f25028d41a9588e82889b3ef869a14f33cbd216e.camel@groupe-cyllene.com>
2025-01-10 11:02 ` Fabian Grünbichler
2025-01-10 11:51 ` DERUMIER, Alexandre via pve-devel
[not found] ` <1caecaa23e5d57030a9e31f2f0e67648f1930d6a.camel@groupe-cyllene.com>
2025-01-10 12:20 ` Fabian Grünbichler
2025-01-10 13:14 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 02/11] blockdev: fix cfg2cmd tests Alexandre Derumier via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 pve-storage 2/3] lvmplugin: add qcow2 snapshot Alexandre Derumier via pve-devel
2025-01-09 13:55 ` Fabian Grünbichler
2025-01-10 10:16 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 03/11] blockdev : convert qemu_driveadd && qemu_drivedel Alexandre Derumier via pve-devel
2025-01-08 14:26 ` Fabian Grünbichler
2025-01-10 14:08 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 pve-storage 3/3] storage: vdisk_free: remove external snapshots Alexandre Derumier via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 04/11] blockdev: vm_devices_list : fix block-query Alexandre Derumier via pve-devel
2025-01-08 14:31 ` Fabian Grünbichler
2025-01-13 7:56 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 05/11] blockdev: convert cdrom media eject/insert Alexandre Derumier via pve-devel
2025-01-08 14:34 ` Fabian Grünbichler
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 06/11] blockdev: block_resize: convert to blockdev Alexandre Derumier via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 07/11] blockdev: nbd_export: block-export-add : use drive-$id for nodename Alexandre Derumier via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 08/11] blockdev: convert drive_mirror to blockdev_mirror Alexandre Derumier via pve-devel
2025-01-08 15:19 ` Fabian Grünbichler
2025-01-13 8:27 ` DERUMIER, Alexandre via pve-devel
[not found] ` <0d0d4c4d73110cf0e692cae0ee65bf7f9a6ce93a.camel@groupe-cyllene.com>
2025-01-13 9:52 ` Fabian Grünbichler
2025-01-13 9:55 ` Fabian Grünbichler
2025-01-13 10:47 ` DERUMIER, Alexandre via pve-devel
2025-01-13 13:42 ` Fiona Ebner
2025-01-14 10:03 ` DERUMIER, Alexandre via pve-devel
[not found] ` <fa38efbd95b57ba57a5628d6acfcda9d5875fa82.camel@groupe-cyllene.com>
2025-01-15 9:39 ` Fiona Ebner
2025-01-15 9:51 ` Fabian Grünbichler
2025-01-15 10:06 ` Fiona Ebner
2025-01-15 10:15 ` Fabian Grünbichler
2025-01-15 10:46 ` Fiona Ebner
2025-01-15 10:50 ` Fabian Grünbichler
2025-01-15 11:01 ` Fiona Ebner
2025-01-15 13:01 ` DERUMIER, Alexandre via pve-devel
2025-01-16 14:56 ` DERUMIER, Alexandre via pve-devel
2025-01-15 10:15 ` DERUMIER, Alexandre via pve-devel
[not found] ` <c1559499319052d6cf10900efd5376c12389a60f.camel@groupe-cyllene.com>
2025-01-13 13:31 ` Fabian Grünbichler
2025-01-20 13:37 ` DERUMIER, Alexandre via pve-devel [this message]
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 09/11] blockdev: mirror: change aio on target if io_uring is not default Alexandre Derumier via pve-devel
2025-01-09 9:51 ` Fabian Grünbichler
2025-01-13 8:38 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 10/11] blockdev: add backing_chain support Alexandre Derumier via pve-devel
2025-01-09 11:57 ` Fabian Grünbichler
2025-01-13 8:53 ` DERUMIER, Alexandre via pve-devel
2024-12-16 9:12 ` [pve-devel] [PATCH v3 qemu-server 11/11] qcow2: add external snapshot support Alexandre Derumier via pve-devel
2025-01-09 11:57 ` Fabian Grünbichler
2025-01-09 13:19 ` Fabio Fantoni via pve-devel
2025-01-20 13:44 ` DERUMIER, Alexandre via pve-devel
[not found] ` <3307ec388a763510ec78f97ed9f0de00c87d54b5.camel@groupe-cyllene.com>
2025-01-20 14:29 ` Fabio Fantoni via pve-devel
[not found] ` <6bdfe757-ae04-42e1-b197-c9ddb873e353@m2r.biz>
2025-01-20 14:41 ` DERUMIER, Alexandre via pve-devel
2025-01-13 10:08 ` DERUMIER, Alexandre via pve-devel
[not found] ` <0ae72889042e006d9202e837aac7ecf2b413e1b4.camel@groupe-cyllene.com>
2025-01-13 13:27 ` Fabian Grünbichler
2025-01-13 18:07 ` DERUMIER, Alexandre via pve-devel
2025-01-13 18:58 ` DERUMIER, Alexandre via pve-devel
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