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Tue, 28 Nov 2023 18:48:18 +0100 (CET) Message-ID: <62803cbd-388d-4ec8-8e57-0cb7ea836413@proxmox.com> Date: Tue, 28 Nov 2023 18:48:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Content-Language: en-GB, de-AT To: Proxmox Backup Server development discussion , Markus Frank References: <20231128132323.162721-1-m.frank@proxmox.com> <20231128132323.162721-7-m.frank@proxmox.com> From: Thomas Lamprecht Autocrypt: addr=t.lamprecht@proxmox.com; keydata= xsFNBFsLjcYBEACsaQP6uTtw/xHTUCKF4VD4/Wfg7gGn47+OfCKJQAD+Oyb3HSBkjclopC5J uXsB1vVOfqVYE6PO8FlD2L5nxgT3SWkc6Ka634G/yGDU3ZC3C/7NcDVKhSBI5E0ww4Qj8s9w OQRloemb5LOBkJNEUshkWRTHHOmk6QqFB/qBPW2COpAx6oyxVUvBCgm/1S0dAZ9gfkvpqFSD 90B5j3bL6i9FIv3YGUCgz6Ue3f7u+HsEAew6TMtlt90XV3vT4M2IOuECG/pXwTy7NtmHaBQ7 UJBcwSOpDEweNob50+9B4KbnVn1ydx+K6UnEcGDvUWBkREccvuExvupYYYQ5dIhRFf3fkS4+ wMlyAFh8PQUgauod+vqs45FJaSgTqIALSBsEHKEs6IoTXtnnpbhu3p6XBin4hunwoBFiyYt6 YHLAM1yLfCyX510DFzX/Ze2hLqatqzY5Wa7NIXqYYelz7tXiuCLHP84+sV6JtEkeSUCuOiUY virj6nT/nJK8m0BzdR6FgGtNxp7RVXFRz/+mwijJVLpFsyG1i0Hmv2zTn3h2nyGK/I6yhFNt dX69y5hbo6LAsRjLUvZeHXpTU4TrpN/WiCjJblbj5um5eEr4yhcwhVmG102puTtuCECsDucZ jpKpUqzXlpLbzG/dp9dXFH3MivvfuaHrg3MtjXY1i+/Oxyp5iwARAQABzTNUaG9tYXMgTGFt cHJlY2h0IChBdXRoLTQpIDx0LmxhbXByZWNodEBwcm94bW94LmNvbT7CwY4EEwEIADgWIQQO R4qbEl/pah9K6VrTZCM6gDZWBgUCWwuNxgIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAK CRDTZCM6gDZWBm/jD/4+6JB2s67eaqoP6x9VGaXNGJPCscwzLuxDTCG90G9FYu29VcXtubH/ bPwsyBbNUQpqTm/s4XboU2qpS5ykCuTjqavrcP33tdkYfGcItj2xMipJ1i3TWvpikQVsX42R G64wovLs/dvpTYphRZkg5DwhgTmy3mRkmofFCTa+//MOcNOORltemp984tWjpR3bUJETNWpF sKGZHa3N4kCNxb7A+VMsJZ/1gN3jbQbQG7GkJtnHlWkw9rKCYqBtWrnrHa4UAvSa9M/XCIAB FThFGqZI1ojdVlv5gd6b/nWxfOPrLlSxbUo5FZ1i/ycj7/24nznW1V4ykG9iUld4uYUY86bB UGSjew1KYp9FmvKiwEoB+zxNnuEQfS7/Bj1X9nxizgweiHIyFsRqgogTvLh403QMSGNSoArk tqkorf1U+VhEncIn4H3KksJF0njZKfilrieOO7Vuot1xKr9QnYrZzJ7m7ZxJ/JfKGaRHXkE1 feMmrvZD1AtdUATZkoeQtTOpMu4r6IQRfSdwm/CkppZXfDe50DJxAMDWwfK2rr2bVkNg/yZI tKLBS0YgRTIynkvv0h8d9dIjiicw3RMeYXyqOnSWVva2r+tl+JBaenr8YTQw0zARrhC0mttu cIZGnVEvQuDwib57QLqMjQaC1gazKHvhA15H5MNxUhwm229UmdH3KM7BTQRbC43GARAAyTkR D6KRJ9Xa2fVMh+6f186q0M3ni+5tsaVhUiykxjsPgkuWXWW9MbLpYXkzX6h/RIEKlo2BGA95 QwG5+Ya2Bo3g7FGJHAkXY6loq7DgMp5/TVQ8phsSv3WxPTJLCBq6vNBamp5hda4cfXFUymsy HsJy4dtgkrPQ/bnsdFDCRUuhJHopnAzKHN8APXpKU6xV5e3GE4LwFsDhNHfH/m9+2yO/trcD txSFpyftbK2gaMERHgA8SKkzRhiwRTt9w5idOfpJVkYRsgvuSGZ0pcD4kLCOIFrer5xXudk6 NgJc36XkFRMnwqrL/bB4k6Pi2u5leyqcXSLyBgeHsZJxg6Lcr2LZ35+8RQGPOw9C0ItmRjtY ZpGKPlSxjxA1WHT2YlF9CEt3nx7c4C3thHHtqBra6BGPyW8rvtq4zRqZRLPmZ0kt/kiMPhTM 8wZAlObbATVrUMcZ/uNjRv2vU9O5aTAD9E5r1B0dlqKgxyoImUWB0JgpILADaT3VybDd3C8X s6Jt8MytUP+1cEWt9VKo4vY4Jh5vwrJUDLJvzpN+TsYCZPNVj18+jf9uGRaoK6W++DdMAr5l gQiwsNgf9372dbMI7pt2gnT5/YdG+ZHnIIlXC6OUonA1Ro/Itg90Q7iQySnKKkqqnWVc+qO9 GJbzcGykxD6EQtCSlurt3/5IXTA7t6sAEQEAAcLBdgQYAQgAIBYhBA5HipsSX+lqH0rpWtNk IzqANlYGBQJbC43GAhsMAAoJENNkIzqANlYGD1sP/ikKgHgcspEKqDED9gQrTBvipH85si0j /Jwu/tBtnYjLgKLh2cjv1JkgYYjb3DyZa1pLsIv6rGnPX9bH9IN03nqirC/Q1Y1lnbNTynPk IflgvsJjoTNZjgu1wUdQlBgL/JhUp1sIYID11jZphgzfDgp/E6ve/8xE2HMAnf4zAfJaKgD0 F+fL1DlcdYUditAiYEuN40Ns/abKs8I1MYx7Yglu3RzJfBzV4t86DAR+OvuF9v188WrFwXCS RSf4DmJ8tntyNej+DVGUnmKHupLQJO7uqCKB/1HLlMKc5G3GLoGqJliHjUHUAXNzinlpE2Vj C78pxpwxRNg2ilE3AhPoAXrY5qED5PLE9sLnmQ9AzRcMMJUXjTNEDxEYbF55SdGBHHOAcZtA kEQKub86e+GHA+Z8oXQSGeSGOkqHi7zfgW1UexddTvaRwE6AyZ6FxTApm8wq8NT2cryWPWTF BDSGB3ujWHMM8ERRYJPcBSjTvt0GcEqnd+OSGgxTkGOdufn51oz82zfpVo1t+J/FNz6MRMcg 8nEC+uKvgzH1nujxJ5pRCBOquFZaGn/p71Yr0oVitkttLKblFsqwa+10Lt6HBxm+2+VLp4Ja 0WZNncZciz3V3cuArpan/ZhhyiWYV5FD0pOXPCJIx7WS9PTtxiv0AOS4ScWEUmBxyhFeOpYa DrEx In-Reply-To: <20231128132323.162721-7-m.frank@proxmox.com> Content-Type: text/plain; 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[mod.rs] Subject: Re: [pbs-devel] [PATCH proxmox-backup v3 6/6] tools: prohibit disk wipe of EFI partition X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Nov 2023 17:48:19 -0000 Am 28/11/2023 um 14:23 schrieb Markus Frank: > If the GUID is c12a7328-f81f-11d2-ba4b-00a0c93ec93b the partition is an > EFI Partition and should not be wiped. > > Since this GUID is used multiple times, a constant for the EFI & BIOS > GUID is useful. > > Signed-off-by: Markus Frank > --- > src/tools/disks/mod.rs | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/src/tools/disks/mod.rs b/src/tools/disks/mod.rs > index beb8178b..0fe57d23 100644 > --- a/src/tools/disks/mod.rs > +++ b/src/tools/disks/mod.rs > @@ -39,6 +39,9 @@ lazy_static::lazy_static! { > regex::Regex::new(r"host[^/]*/session[^/]*").unwrap(); > } > > +const EFI_PARTITION_TYPE: &str = "c12a7328-f81f-11d2-ba4b-00a0c93ec93b"; > +const BIOS_PARTITION_TYPE: &str = "21686148-6449-6e6f-744e-656564454649"; > + > /// Disk management context. > /// > /// This provides access to disk information with some caching for faster querying of multiple > @@ -844,8 +847,8 @@ fn get_partitions_info( > if let (Some(devpath), Some(infos)) = (devpath.as_ref(), lsblk_infos.as_ref()) { > for info in infos.iter().filter(|i| i.path.eq(devpath)) { > used = match info.partition_type.as_deref() { > - Some("21686148-6449-6e6f-744e-656564454649") => PartitionUsageType::BIOS, > - Some("c12a7328-f81f-11d2-ba4b-00a0c93ec93b") => PartitionUsageType::EFI, > + Some(BIOS_PARTITION_TYPE) => PartitionUsageType::BIOS, > + Some(EFI_PARTITION_TYPE) => PartitionUsageType::EFI, > Some("6a945a3b-1dd2-11b2-99a6-080020736631") => { > PartitionUsageType::ZfsReserved > } > @@ -1080,6 +1083,12 @@ pub fn wipe_blockdev(disk: &Disk, worker: Arc) -> Result<(), Error> > for disk_info in get_lsblk_info()?.iter() { > if disk_info.path == disk_path_str && disk_info.partition_type.is_some() { > is_partition = true; > + if matches!( > + disk_info.partition_type.as_deref(), > + Some(EFI_PARTITION_TYPE) > + ) { > + bail!("You will not be able to boot if you wipe the EFI partition."); > + } > } > } > I skipped this one for now, see no real sense in singling this out, and why should one be forbidden to wipe the paritions of a hard-disk that one moved over from another system, where it was previously used for booting, or if one has to switch EFI partition and wants to wipe the old one afterwards? I'd rather see: - such special partitions get an extra, specific warning in the UI about the potential impact - a force flag added, which then also passes that to wipedisk to be able to actually clear a disk that was in use sometimes - the same then implemented for Proxmox VE