From: Fiona Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH docs 1/1] storage: lvm: expand on description of saferemove option
Date: Thu, 7 Dec 2023 17:10:38 +0100 [thread overview]
Message-ID: <20231207161038.90626-3-f.ebner@proxmox.com> (raw)
In-Reply-To: <20231207161038.90626-1-f.ebner@proxmox.com>
mentioning why zeroing-out might be necessary.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
pve-storage-lvm.adoc | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/pve-storage-lvm.adoc b/pve-storage-lvm.adoc
index 917d8fb..cff5d3e 100644
--- a/pve-storage-lvm.adoc
+++ b/pve-storage-lvm.adoc
@@ -38,7 +38,10 @@ on a remote iSCSI server.
`saferemove`::
Zero-out data when removing LVs. When removing a volume, this makes
-sure that all data gets erased.
+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.
`saferemove_throughput`::
--
2.39.2
next prev parent reply other threads:[~2023-12-07 16:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-07 16:10 [pve-devel] [RFC manager/docs] lvm: better expose/explain " Fiona Ebner
2023-12-07 16:10 ` [pve-devel] [RFC manager 1/1] ui: lvm: expose saferemove setting Fiona Ebner
2024-01-09 9:49 ` Fabian Grünbichler
2023-12-07 16:10 ` Fiona Ebner [this message]
2024-01-09 9:38 ` [pve-devel] applied: [PATCH docs 1/1] storage: lvm: expand on description of saferemove option Fabian Grünbichler
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