Creating APFS Snapshots. The method used to manually create an APFS snapshot uses the Time Machine command line utility. It is a simple process. Here are the steps required to create a snapshot on your Mac. Start the Terminal application from /Applications/Utilities/ to open a command prompt window. Enter the tmutil snapshot. Command to create the snapshot. Install Mac OS X Sierra in PC by ssiddharth in Computers. Make a Wired SONY ALPHA DSLR Remote. The Arduino / TFT LCD Connection by thegrendel in Arduino. Owncloud-raspberry free download. Etcher Etcher is a powerful OS image flasher. It protects a user from accidentally overwriting hard-drives. Open Time Machine preferences from the Time Machine menu in the menu bar. Or choose Apple menu System Preferences, then click Time Machine. Deselect ”Back Up Automatically” or click the Off/On switch, depending on what you see in Time Machine preferences. Wait a few minutes to allow the local snapshots to be deleted.
| Project Home | Downloads | Mailing Lists | Issues | ||||
| Project Description: | A Cache Coherent Networked File System | ||||||
| License: | GPL |
CRFS introduction
CRFS is an acronym which stands for 'Coherent Remote File System'. CRFS isa network protocol that lets clients share access to a file system which ishosted on a server. Its main features include:
- general-purpose 'posix' file system semantics
- cache coherency
- aggressive metadata performance
- efficient and flexible snapshots
- robust data integrity protection
The implementation hosted here includes a client module for the Linux kerneland a UNIX user space server daemon. 'crfsd', the UNIX daemon which runs inuserspace, provides these features by storing data in a BTRFS file system ondisk.
Status as of June, 2008
CRFS is in the initial phase of design and implementation and is proceedingtowards an alpha release. It is not ready for stable use and should not betrusted to reliably store data.
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CRFS is made available at this early a stage so that people can participatein the design and implementation.
The following list of features will be included in the alpha release and areimmediate priorities, though perhaps not in the given order:
- upgrade to a recent BTRFS disk format
- re-establish failed TCP connections
- clients should use ranges to guide inode allocation
- crfsd should verify more on-disk btrfs metadata as it reads
- open()/unlink() should enable orphan recovery
- crfsd should evict clients that timeout and reclaim their ranges
- xattrs support should be a straight-forward operation on items
- non-4k page sizes should be supported, which means inline data cleanups
- basic client cache coherency should be supported
- basic man pages would be nice
- O_DIRECT and aio should function, even if actually copying and sync
The following list of features will not be included in the alpharelease:
- clients sharing cache for reading
- snapshots
- backups
- failover
- quotas
- untrusted clients
- capability handshake
- ENOSPC
- multi-device (probably)
- shared-writable mmap coherency (maybe)
Installation instructions
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Download the source and follow the instructions contained in the'docs/developer-instructions' file
Send a mail to crfs-devel and let us know how it goes!