Questions tagged [snapshot]

A snapshot is a copy of data taken at a specific point in time.

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Can Volume Shadow Copy Service (VSS) expose a volume to a Failover Cluster disk?

I am running a Windows Server 2012 R2 failover cluster environment for development, to mirror our production cluster, and I have VSS able to expose to a drive, mount point or share local to the ...
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Modifying parent snapshot in QCOW2 internal snapshots tree

Faced one problem and cannot find any info on the net Let's say I have several snapshots on my VM running on .qcow2 image. For example, it has next tree: # virsh snapshot-list my_vm --tree clean | ...
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Apache Cloudstack XCP-ng 20.04 Volume Snapshot Failed

I am using Apache CloudStack v 4.16 with XCP-ing center 20.04.01. While trying to take a snapshot of my volume, the below error is logged in my XCP-in center and the volume snapshot creation is ...
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Google Cloud Platform - unable to log into VM created from Redhat boot disk snapshot

The snapshot is good as I was able to mount it as a disk on another VM and confirm the contents. However when I created a new VM from the snapshot I could not ssh into the new VM.
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Can Block Device IDs in LVM be set statically?

I have a system using LVM2 with a single PV which contains 1 VG which in-turn contains 5 logical volumes (/, /home, /var, /swap, /data). When I create a snapshot of LV / (lvcreate -L 15G -s -n ...
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I rollbacked a Proxomox VM and now I have no sudo access

Yesterday I took a snapshot of VM in Proxmox and today I rolled it back but the user has no sudo access anymore. I can login with the user and the user is still in the list of sudoers. How can I solve ...
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how delete last boom entry

I am using lvm snapshot and boom on centos 7 to have a restore point before updating my servers. It is a cumbersome process so I started creating a script to make it semi-automatic. The biggest ...
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What path on disk does a containerd snapshot key map to?

I want to remove a snapshot from a node in our Kubernates cluster: /var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/NNNN But I am unable to map this path to any snapshots as ...
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Google Cloud Snapshot schedule

I'm trying to understand the difference between machine image, snapshot, and image on Google cloud. For example, I've configured the snapshot schedule and it is set to auto delete every 7 days. If I ...
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GCP disk snapshots: Would losing the full snapshot render the incremental snapshots useless?

On GCP, when you do periodic snapshots of disks, the first snapshot is a full snapshot of the disk and the following snapshots consists of only the deltas of the previous snapshots. If a snapshot is ...
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What disk considerations are taken for VM migration during Host Maintenance in GCE?

I'm running a VM in the us-central1-a zone with Availability policies configured as follows: Preemptibility - Off (Recommended) On host maintenance - Migrate VM instance (Recommended) Automatic ...
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ZFS send/recv full snapshot

I have been backing up my ZFS pool in Server A to Server B (backup server) via zfs send/recv, and using daily incremental snapshots. Due to hardware issues, the ZFS pool in Server A is now gone - and ...
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Can one detect, via the AWS RDS API, any I/O suspension when creating a snapshot for a single-AZ DB instance?

This is very similar to this existing question: amazon web services - RDS snapshot: how long does I/O suspension occur? - Server Fault Unfortunately, the only answer provides more of a background ...
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Are the snapshots referenced by an AMI created from an EC2 instance independent of other snapshots that I've created on the EC2 instances EBS volumes?

We've recently migrated a system off of a set of EC2 instances, and now wish to retire those EC2 instances, first by creating an AMI of and then terminating each EC2 instance. Over time, we've created ...
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Are Google Cloud Platform (GCP) persistent disk snapshots a proper way for doing long-term backups?

Let's say I need a long-term backup for a webserver in Google Cloud Platform. I need to have a possibility to access to the state or restore the state of the machine up to 1 year ago. (Weekly ...
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Possible to have AWS take a snapshot of a spot instance just prior to it's unplanned termination?

I've setup a lifecycle manager to reboot a spot instance and create an AMI of the instance once every 24 hours. It would be ideal if it could do the same just prior to an unplanned termination event. ...
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How can I recover the space in a qcow2 file after deleting snapshots, while retaining remaining snapshots?

I have a virtual machine that started out with 5 snapshots 1,2,3,4,5. I used qemu-img to delete snapshots 1,2,3. Snapshots 4 and 5 are still needed and were not deleted. How can I release the space ...
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Disk snapshot size created from a google compute engine exceeds used space

I have a Google Compute Instance (VM) that has a 2TB disk and around 80GB used space. I wanted to archive this VM so that I don't get billed for the whole 2TB, and also so that it is ready to be ...
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What does AWS Lifecycle Manager do when my spot instance is terminated?

My goal is to use lifecycle manager to keep an updated snapshot of a spot instance I am running. It creates a snapshot from an ebs volume every 6 hours. Just curious what the lifecycle manager does ...
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Are there hooks for Windows Updates?

It would be really neat to be able to attach a "blocking hook" to when a Windows Update gets installed so that I could take a snapshot on an ESXi of the machine in question before the update ...
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Create a boot partition snapshot (win10)

I'm slightly desperate, of what is the best practice to: install a fresh version of windows 10 strip it down install applications you need setup configure everything create a snapshot of the whole ...
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Use snapshots to freeze a single database in MySQL

Various resources such as https://mariadb.com/kb/en/backup-and-restore-overview/ or https://www.thegeeksearch.com/how-to-backup-and-restore-mariadb-database/ describe how to backup the entire data of ...
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Azure snapshots as VM templates

I have multiple users that all need to use almost identical VMs - the VMs should have the same OS and same software installed. I can create one VM, set it up properly and create a snapshot that others ...
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Deep Freeze for Linux. Reverting server to a previous state, kind of a "snapshot" being a physical machine (not a VM)

I work in an enviroment with a lot of Linux Servers and a few Windows servers. When we perfom some changes in the Windows ones it is very easy to go back to the original state using "Deep Freeze&...
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Accidentally executed: sudo rm -r /* [duplicate]

This morning while I was doing a bit of work on my production server, when I accidentally executed the following command: sudo rm -r /* Sadly, the server no longer accept my public key or password ...
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Loop the status Result using PowerShell

I have written a script in PowerShell which creates aws ebs snapshot , its working fine without an issue , except i am not able get the Progress status at regular interval to proceed with next step in ...
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Openstack- unable to login from snapshot instance

I took a snapshot from one instance in an openstack and put the snapshot as image in another openstack deployment, then tried to run it on a flavor that has greater hardware than required. Everything ...
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Google Cloud disk multiple snapshot schedules

Is it possible to have multiple snapshot schedules assigned to a single disk in Google Cloud Compute Engine? My goal is to have a daily snapshot schedule with a certain retention policy and a weekly ...
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HyperV Old Snapshots with No Reference - Can I Delete Them?

We've became aware recently of an issue with Hyper-V and some old snapshots that I'm assuming have been caused by failed Veeam backups (and the checkpoints not being deleted). It's a HyperV Failover ...
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Noop convert qcow2 image but keeps internal snapshots

I have a qcow2 image. The image size is 200 GB, but the actual use is only 30 GB. I'm using qemu-img convert -O qcow2 source.qcow2 shrunk.qcow2 to removes sparse space and the images shrinks correctly ...
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K8S volume snapshots - any way to export and import snapshots manually?

I have snapshotting enabled in my k8s cluster, and am able to snapshot my volumes - yet I have not found documentation on how to actually store those snapshots outside the cluster without using a ...
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Snapshot schedule is not attaching boot disk

I created a VM and snapshot schedule with terraform modules on GCP. The code is attaching the additional disks but not the boot disk. Any idea what is needed to be changed to the below code to ...
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Will a Solaris server tolerate a ZFS pool from its future?

My experience with ZFS has generally been that it just works, so I expect the answer will be, it’s not a problem — but I have a data pool which will ruin my January if it fubars, so I want to double-...
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zfs cannot create snapshot, out of space

I have a disk with these layers: sata disk, luks, zpool, ext4 The ext4 fs was created with these commands: cryptsetup -v luksFormat /dev/sdb cryptsetup luksOpen /dev/sda store02 zpool create zstore02 /...
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Is there a way to re-build a physical machine (into golden image) without dedicated hardware?

I have a small office (total of 6 computers) for translation, Due to the fact that many of the documents are private and personal and the security risk of opening word documents, pdf and so, I would ...
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CentOS, revert back to a clean state (by backup or snapshot) without physically going to the server [closed]

I am running CentOS 8 and I would like to rollback to a point in time (backup or snapshot), but without having to boot from USB. Many tools permit this on Windows (e.g. Macrium Reflect) and I would ...
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zfs send multiple snapshots

I want send several zfs snapshots to another pool. Source pool "rpool", target pool "dpool" rpool/kvm1380_img 88,6G 1,48T 77,6G - rpool/...
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How long has a snapshot been running?

Assume I made a snapshot of a certain VM one week ago. Today I revert to that snapshot, I think this means the delta.vmdk gets deleted (e.g. everything after the snapshot is lost). I think this also ...
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ZFS data lost after a rollback happening on reboot

Edit1: Unlike what I originally thought when creating this question, it seems that the problem was NOT directly caused by the unplanned power-cycle, but by a mistake I might have done with beadm in ...
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ZFS - Deleting Redundant Snapshots

I have written a cron job to automatically create snapshots of ZFS dataset on an hourly basis for critical files that benefit from active tracking. The drawback of this is that these hourly snapshots ...
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Dead Citrix XenServer with LVM: How to get the VHDs off the system?

My company recently delegated the task of recovering a fairly old (~2015) Citrix Xenserver to me. The machine had a major electrical fault which caused a hard drive failure and a collapse of the RAID. ...
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ESXi 6.0 Consolidation

I had a snapshot that had eaten the free space in a datastore. I deleted the snapshot and now the snapshot manager is empty but I see delta disks and disks such as -0002.vmdk,... -0005.vmdk etc are ...
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How to configure VMWare cloned images to get unique IP addresses?

I am configuring an internal build system using Teamcity with VMWare vSphere. Once configured, the build server is supposed to start build agent VMs using vSphere API. I've got to a point where ...
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KVM/QEMU - best practice for creating snapshots of your guests regarding disk space on the hypervisor

I have several KVM/QEMU guests with each having one hard disk based on the qcow2 format. As I understand, I have two option for creating snapshots. First is to create a snapshot inside the qcow2 image:...
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How to extend the Ubuntu VPS storage via command line (Without GParted)

I loaded the VPS sever with 50GB snapshot VM image, so now the remaining size of the actual storage of this server is not allocated correctly which is remaining 110GB. The total size of the VPS is ...
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Windows NTFS Data Deduplication and Snapshot Backups

We have a file server (fs00) on Google Cloud Platform (GCP): Running Windows Server 2019 (with Desktop Experience installed). One OS / System disk (250GB SSD) An independent data disk (5TB standard ...
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Network share with multiple users and snapshots

I want to make a network share with read/write and it will be accessed by multiple computers. Every time a new computer connects to it, they should find it in an initial state. Every change made on ...
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apt-get is stuck with mysql after creating a vm from snapshot in Google cloud

I'm using Google cloud and I have a vm (Ubuntu 18.04) that is working fine. The apt-get command works totally fine and mysql service is running well. Let's call it vm-1 I needed to create another a ...
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Unclear why crash consistent backups are unsafe for MySQL

My understanding of the InnoDB engine is that the database is always recoverable after a crash, due to the internal architecture of the engine itself. That is, InnoDB can correctly recover from a ...
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Can we resize the EBS volume when snapshot is in progress?

I've an ec2 instance with root volume and additional volume attached, additional volume is 92% used. I took a ebs snapshot , but looks like its very slow. Can I go ahead and increase the volume size ...
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