zfs_autobackup | ZFS autobackup is used to periodicly backup ZFS filesystems | Continuous Backup library
kandi X-RAY | zfs_autobackup Summary
kandi X-RAY | zfs_autobackup Summary
ZFS-autobackup tries to be the most reliable and easiest to use tool, while having all the features. You can either use it as a backup tool, replication tool or snapshot tool. You can select what to backup by setting a custom ZFS property. This makes it easy to add/remove specific datasets, or just backup your whole pool. Other settings are just specified on the commandline: Simply setup and test your zfs-autobackup command and fix all the issues you might encounter. When you're done you can just copy/paste your command to a cron or script. Since it's using ZFS commands, you can see what it's actually doing by specifying --debug. This also helps a lot if you run into some strange problem or error. You can just copy-paste the command that fails and play around with it on the commandline. (something I missed in other tools). An important feature that's missing from other tools is a reliable --test option: This allows you to see what zfs-autobackup will do and tune your parameters. It will do everything, except make changes to your system.
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Top functions reviewed by kandi - BETA
- Run the main method
- Check the target names of source datasets
- Print error sources
- Make target name from source dataset
- Run the method
- Mount this node
- Compare two filesystems
- Verify that source_dataset has common snapshots
- Prints the progress bar
- Return a list of supported send options
- Returns the number of bytes written to this node
- Return supported recv options
- List of our snapshot
- Print a warning message
- Run the cli
- Inherit a property
- Set a property on a node
- Return the parent dataset
- List of snapshots for this node
- List all datasets under this node
- Get all recursive datasets under this node
- Return all zpool properties
- Return all zfs properties
- Parse command line arguments
- Parse command line options
- Add command line options
zfs_autobackup Key Features
zfs_autobackup Examples and Code Snippets
Community Discussions
Trending Discussions on Continuous Backup
QUESTION
ANSWER
Answered 2022-Feb-22 at 10:59I am not sure if you have seen this message in the portal when you created the account/also mentioned in the doc
"You will not be able to switch between the backup policies after the account has been created"
since you need to select either "Periodic" or "Continuous" at the creation of Cosmos Account, it becomes mandatory.
Update:
You will not see the above in portal anymore, you can Switch from "Periodic" to "Continous" on an existing account and that cannot be reverted. You can read more here.
QUESTION
What would be the consistency of the continuous backup of the write region if the database is using bounded staleness consistency? Will it be equivalent to strong consistent data assuming no failovers happened?
Thanks Guru
...ANSWER
Answered 2021-Nov-25 at 17:15Backups made from any secondary region will have data consistency defined by the guarantees provided by the consistency level chosen. In the case of strong consistency, all secondary region backups will have completely consistent data.
Bounded staleness will have data that may have stale or inconsistent data inside the defined staleness window (minimum 300 seconds or 100k writes). Outside of that staleness window the data will be consistent.
Data for the weaker consistency levels will have no guarantees for consistency from backups in secondary regions.
QUESTION
MongoDB has deprecated the continuous back up of data. It has recommended using CPS (Cloud provider snapshots). As far as I understood, snapshots isn't really going to be effective compared to continuous backup coz, if system breaks, then we can only be able to restore the data till the previous snapshot which isn't gonna make the database up-to-date or close to it atleast.
Am I missing something here in my understanding?
...ANSWER
Answered 2020-May-19 at 10:12Cloud provider snapshots can be combined with point in time restore to give the recovery point objective you require. With oplog based restores you can get granularity of one second.
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