From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Proxmox Backup Server development discussion
<pbs-devel@lists.proxmox.com>,
Filip Schauer <f.schauer@proxmox.com>
Subject: Re: [pbs-devel] [PATCH backup v2 2/2] disks: wipe: only zero out the first 1 MiB
Date: Tue, 11 Feb 2025 19:42:18 +0100 [thread overview]
Message-ID: <4b0509f6-98e2-46e7-ad13-5e54bb13834c@proxmox.com> (raw)
In-Reply-To: <20250211162639.141541-3-f.schauer@proxmox.com>
Am 11.02.25 um 17:26 schrieb Filip Schauer:
> Reduce the number of MiB zeroed out at the start of the disk from 200 to
> 1. This should still be sufficient to remove any remaining signatures
> missed by `wipefs`, preventing potential interference with later use of
> the disk.
>
200 MiB is a bit to specific to have no reason behind it, did you check
up on that? Maybe something can be found in PVE's git/patch history.
I have some faint remembrance that we had to increase the area we zero
out for ceph OSDs and/or for the installer.
Or do you have any references for why this should still be sufficient?
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next prev parent reply other threads:[~2025-02-11 18:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-11 16:26 [pbs-devel] [PATCH backup v2 0/2] fix #5946: disks: wipe: ensure GPT header backup is wiped Filip Schauer
2025-02-11 16:26 ` [pbs-devel] [PATCH backup v2 1/2] " Filip Schauer
2025-02-11 18:39 ` Thomas Lamprecht
2025-02-12 11:01 ` Filip Schauer
2025-02-11 16:26 ` [pbs-devel] [PATCH backup v2 2/2] disks: wipe: only zero out the first 1 MiB Filip Schauer
2025-02-11 18:42 ` Thomas Lamprecht [this message]
2025-02-12 10:24 ` Filip Schauer
2025-02-12 13:44 ` Thomas Lamprecht
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