Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [snapshot]

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

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

460 questions
2
votes
1 answer

How to detect VMware snapshot presence from within VM?

I want to perform Linux fstrim or Windows degrag retrim on a file system within VM to shrink VMware vSphere thin disks. However this should be performed only if there is no snapshot present as fstrim-ing a snapshoted file system will cause it to…
Don Zoomik
  • 1,533
  • 9
  • 14
2
votes
1 answer

How to thin out snapshots on Freenas

I do have a freenas server as backup server - every evening it creates a snapshot of a dataset and some minutes lates an rsync task starts to backup the data to my freenas. In the webui I only have the option to auto-create snapshots and auto-delete…
philipp
  • 101
  • 3
2
votes
0 answers

NetApp: How to get real file's access time (atime) from a snapshot?

According to the documentation (https://library.netapp.com/ecmdocs/ECMP1635994/html/GUID-3CE08FEA-6624-4EBF-847C-F7F9C7F355A3.html) access time of all files in the snapshot copy is set to snapshot creation time. Is there a way to get the original…
Marcin Barczyński
  • 121
  • 1
2
votes
1 answer

can I export an EBS snapshot and mount it to an on-prem server

I have a scenario where data is being aggregated in an EBS-backed AWS EC2 instance and, periodically, that instance is shut down and snapshot. Ideally, the snapshot of that volume needs to be exported and mounted on an airgapped server. Supposing I…
Alex Woolford
  • 177
  • 7
2
votes
2 answers

Scheduled snapshots wont run Google Compute Engine

I have configured a snapshot schedule for one of my disks on Compute Engine, but after the scheduled time (way after), no snapshot is listed on the snapshots section. I ran a manual snapshot with the same settings (snapshot-2 in the attached image)…
Alexandre da Costa
  • 21
  • 2
2
votes
1 answer

Can xvdc block devices on a Windows AMI be ignored?

After performing the steps in Is it possible to create an EBS AMI for windows EC2 instance? to create a Windows AMI from an "other linux" snapshot, I created an image of the fixed instance and the image does have platform set to Windows, but the…
Cohaven
  • 51
  • 6
2
votes
1 answer

Q: Unable to create 'live' snapshot of running KVM using virsh

I was kindly directed to here, Serverfault from Stackoverflow to pose my question. I'm running the following command on a RHEL7 hypervisor to create a live backup (disc image) of a running kvm, which is running a production docker service in the…
Rick Epoch
  • 21
  • 3
2
votes
1 answer

Mongodb on AWS EC2 backup strategy

I'm running Mongodb on AWS EC2 instance. Data/log/and journal are stored in a separate volume, formatted as xfs. Currently we are stopping the mongodb instance to take a snapshot, but reading…
Felice Pollano
  • 169
  • 1
  • 7
2
votes
2 answers

AWS EBS snapshot. Does FileSystem consistency REALLY required?

I've been reading a lot about aws ebs and a lot of people seems to encourage people to freeze the filesystem during the snapshot. However, this piece of amazon documentation beg to differ : While it is completing, an in-progress snapshot is not…
Nico
  • 429
  • 5
  • 12
2
votes
1 answer

How does "Add Snapshot" work in the Azure Pricing Calculator?

In the Azure Pricing Calculator, under Managed OS Disks, there is a switch you can flip to "Add Snapshot", which lets you choose the size of the snapshot. This doesn't make sense to me, because I would think the snapshot's size would be dependent…
NoizyCr1cket
  • 23
  • 1
  • 4
2
votes
2 answers

Why is dmsetup failing when I try to create a snapshot?

I would like to create a COW device for an existing block device using dmsetup. The block device is: # blockdev --getsz /dev/loop0 3534848 I am trying to use a 256M ramdisk as the backing store: # blockdev --getsz /dev/zram1 524288 I am using the…
larsks
  • 43,623
  • 14
  • 121
  • 180
2
votes
0 answers

ZFS Snapshots (Missing Incremental)

Assume two Zpools on Solaris 11.3. Pool A and Pool B. Pool A contains PoolA/FileSystem1@Snap3 Pool B contains PoolB/FileSystem1@Snap1 and PoolB/FileSystem1@Snap2 Is there a way to update Pool B with FileSystem1@Snap3?
Copy Run Start
  • 734
  • 1
  • 9
  • 27
2
votes
0 answers

Solaris 11 pool growing without any apparent cause

One of my zfs pools is growing very large: NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT zonepool01 556G 535G 21.2G 96% 1.00x ONLINE - df -h shows that the largest mount point on this pool has 6 files in the directory so…
Marinaio
  • 121
  • 2
2
votes
2 answers

Solaris 11 ZFS Snapshot vs. New Boot Environment

I'm new to Solaris 11 and I have to apply updates. I read that you can create a ZFS snapshot -- apply updates -- then revert the snapshot if things break. I also read that you can create a backup of your boot environment (BE). What is the…
jrd1989
  • 698
  • 15
  • 48
2
votes
1 answer

Deleting Xenserver Virtual Machine used for Template

I created a custom Windows VM in Xenserver 6.5. I took a snapshot and used the snapshot to create a template that can be used for future reference. Is it possible to delete the VM I used to create the template or will that impact my ability to use…
jrd1989
  • 698
  • 15
  • 48
1 2 3
…
30 31