* [pve-devel] [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize [not found] <20251029132745.3127244-1-alwin@antreich.com> @ 2025-10-29 13:27 ` Alwin Antreich via pve-devel 2025-11-10 10:09 ` Alwin Antreich via pve-devel 2025-11-11 15:34 ` [pve-devel] applied: " Fiona Ebner 0 siblings, 2 replies; 3+ messages in thread From: Alwin Antreich via pve-devel @ 2025-10-29 13:27 UTC (permalink / raw) To: pve-devel; +Cc: Alwin Antreich [-- Attachment #1: Type: message/rfc822, Size: 4156 bytes --] From: Alwin Antreich <alwin@antreich.com> To: pve-devel@lists.proxmox.com Subject: [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize Date: Wed, 29 Oct 2025 14:27:45 +0100 Message-ID: <20251029132745.3127244-2-alwin@antreich.com> and mention the different tools used for saferemove to choose the right option for configuration. Signed-off-by: Alwin Antreich <alwin@antreich.com> --- I've added th is patch in response to: https://lore.proxmox.com/all/mailman.253.1761222252.362.pve-devel@lists.proxmox.com/T/#u pve-storage-lvm.adoc | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/pve-storage-lvm.adoc b/pve-storage-lvm.adoc index 527c732..5dd034e 100644 --- a/pve-storage-lvm.adoc +++ b/pve-storage-lvm.adoc @@ -43,6 +43,15 @@ When removing a volume, this makes sure that all data gets erased and cannot be accessed by other LVs created later (which happen to be assigned the same physical extents). This is a costly operation, but may be required as a security measure in certain environments. ++ +Storage devices that support the write zeroes operation will use blockdiscard +to zero blocks. Otherwise, a fallback to cstream is performed. + +`saferemove-stepsize`:: + +Wipe step size in MiB (`blockdiscard -p` paramater value), capped to the maximum +step size supported by the underlying storage. Up to 32 MiB (maximum) by +default. `saferemove_throughput`:: -- 2.39.5 [-- Attachment #2: Type: text/plain, Size: 160 bytes --] _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [pve-devel] [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize 2025-10-29 13:27 ` [pve-devel] [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize Alwin Antreich via pve-devel @ 2025-11-10 10:09 ` Alwin Antreich via pve-devel 2025-11-11 15:34 ` [pve-devel] applied: " Fiona Ebner 1 sibling, 0 replies; 3+ messages in thread From: Alwin Antreich via pve-devel @ 2025-11-10 10:09 UTC (permalink / raw) To: Proxmox VE development discussion; +Cc: Alwin Antreich [-- Attachment #1: Type: message/rfc822, Size: 3759 bytes --] From: "Alwin Antreich" <alwin@antreich.com> To: "Proxmox VE development discussion" <pve-devel@lists.proxmox.com> Subject: Re: [pve-devel] [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize Date: Mon, 10 Nov 2025 10:09:09 +0000 Message-ID: <08af75705ecef4a3f1638db4487d34b658d97def@antreich.com> Did anyone have a chance to look at it? Ty October 29, 2025 at 2:27 PM, "Alwin Antreich via pve-devel" <pve-devel@lists.proxmox.com mailto:pve-devel@lists.proxmox.com?to=%22Alwin%20Antreich%20via%20pve-devel%22%20%3Cpve-devel%40lists.proxmox.com%3E > wrote: > > _______________________________________________ > pve-devel mailing list > pve-devel@lists.proxmox.com mailto:pve-devel@lists.proxmox.com > https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel > [-- Attachment #2: Type: text/plain, Size: 160 bytes --] _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel ^ permalink raw reply [flat|nested] 3+ messages in thread
* [pve-devel] applied: [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize 2025-10-29 13:27 ` [pve-devel] [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize Alwin Antreich via pve-devel 2025-11-10 10:09 ` Alwin Antreich via pve-devel @ 2025-11-11 15:34 ` Fiona Ebner 1 sibling, 0 replies; 3+ messages in thread From: Fiona Ebner @ 2025-11-11 15:34 UTC (permalink / raw) To: Alwin Antreich via pve-devel On Wed, 29 Oct 2025 14:27:45 +0100, Alwin Antreich via pve-devel wrote: > and mention the different tools used for saferemove to choose the right > option for configuration. Applied, thanks! I fixed up the command name 'blockdiscard -> blkdiscard' and added quotes around "write zeroes" to emphasize that it's the name of the special operation. [2/2] pve-storage-lvm: add saferemove-stepsize commit: 17a22102e3149ca4c701cc5e74689bcd9c7eff49 _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel ^ permalink raw reply [flat|nested] 3+ messages in thread
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2025-10-29 13:27 ` [pve-devel] [PATCH docs 2/2] pve-storage-lvm: add saferemove-stepsize Alwin Antreich via pve-devel
2025-11-10 10:09 ` Alwin Antreich via pve-devel
2025-11-11 15:34 ` [pve-devel] applied: " Fiona Ebner
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