wipefs -all -backup /dev/sdb erases all signatures from the device /dev/sdb and creates a signature backup file /wipefs-sdb-.bak for each signa- ture. " "resource_name"= "nvme0-net" "resource_namespace"= "default" I0701 21:02:25.809448 1 sync.go:406] cert-manager/controller/certificates "msg"= "stored private key is not valid for CSR stored on existing CertificateRequest, recreating CertificateRequest resource" "related_resource_kind"= "CertificateRequest" "related_resource_name" = "nvme6366" "related_resource_namespace"= "default" "resource_kind"= "Certificate" "resource_name"= "nvme0-net" "resource_namespace"= "default"Īt the beginning may feel overwhelming, nevertheless do not give up and remember we always have kubectl logs for debugging. examples wipefs /dev/sda prints information about sda and all partitions on sda. I0701 21:02:25.808915 1 controller.go:141] cert-manager/controller/certificates "msg"= "syncing item" "key"= "default/nvme0-net" I0701 21:02:25.809220 1 sync.go:386] cert-manager/controller/certificates "msg"= "validating existing CSR data" "related_resource_kind"= "CertificateRequest" "related_resource_name"= "nvme6366" "related_resource_namespace"= "default" "resource_kind"= "Certificate $ k logs cert-manager-7747db9d88-kl7wr -n cert-manager Instructions to remove any signatures using wipefs are provided under Run The lv-create.yml Ansible Playbook. Any file system, GPT, RAID, or other signatures on storage devices used by Ceph may cause problems. Defining an Ingress for requires that your tls hosts definition includes it as well. Purging the cluster may not be enough to prepare the servers for redeploying Ceph using the following procedures. The example in the cert-manager site is good, however it may lead to misunderstandings. umount wipefs cat /dev/zero > .adding wipefs -a will remove that configuration DISKS(lsblk grep disk. Here I have raid made of /dev/sda3 and /dev/sdb3. Sample operating system deployment YAML files - Red Hat Enterprise Linux. Since the device in question /dev/sdb is in use by Volume Group, we have to. Command-line wipefs -a '/dev/sdb' exited with non-zero exit status 1: wipefs: error: /dev/sdb: probing initialization failed: Device or resource busy (udisks-error-quary,0) Nothing I know of us using it and I am doing this from a Live CD boot. Is it neccesary to use both? How do they differ in result? In this example we will use wipefs to delete LVM metadata from /dev/sdb device. wipefs -a /dev/sdX cryptsetup luksHeaderRestore -header-backup-file /root/luks-header-backup. Erase all file system, raid, and partition-table signatures by using the wipefs command. I saw instructions about how to remove software raid, and some of them contain both instructions: wipefs -af and mdadm -zero-superblock -force. Example: USB hard disk as encrypted backup target. In the example, the device /dev/sdb is considered.
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