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Is there a filesystem that keep track of all version without snapshot?
How does Linux keep track of filesystems?How to keep track of changes in /etc/LVM Snapshot without copy-on-writeIs btrfs suitable as backup filesystem?Moving Application Configurations to Separate Partitiontaking snapshots of a BTRFS volume mounted with nodatacow?BTRFS issue - disappearing/reappearing contents? Two independent versions of filesystem depending on mounted subvolumeCentOS fs (or folder) snapshot without LVMManually synchronizing two BTRFS snapshots with RSYNCBackup: How to mirror/clone LVM LVs (or VGs) on demand?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I am interested in btrfs and I start understanding and loving it COW process.
But what I understand is that I need to do snapshots to keep track of all modifications done on file. What happen when there are multiples modifications between 2 snapshots? I guess I just have the last state at snapshot time.
Is there a way with btrfs or another filesystem to keep track of all modifications on files (including moving files)? IIRC DEC had such features keeping all files backups with ~ extension then ~~ then ~~~ and so on.
filesystems backup
edited 1 hour ago
Stephen Kitt
186k26434514
asked 1 hour ago
dominixdominix
9519
add a comment |
I am interested in btrfs and I start understanding and loving it COW process.
But what I understand is that I need to do snapshots to keep track of all modifications done on file. What happen when there are multiples modifications between 2 snapshots? I guess I just have the last state at snapshot time.
Is there a way with btrfs or another filesystem to keep track of all modifications on files (including moving files)? IIRC DEC had such features keeping all files backups with ~ extension then ~~ then ~~~ and so on.
filesystems backup
edited 1 hour ago
Stephen Kitt
186k26434514
asked 1 hour ago
dominixdominix
9519
add a comment |
I am interested in btrfs and I start understanding and loving it COW process.
But what I understand is that I need to do snapshots to keep track of all modifications done on file. What happen when there are multiples modifications between 2 snapshots? I guess I just have the last state at snapshot time.
Is there a way with btrfs or another filesystem to keep track of all modifications on files (including moving files)? IIRC DEC had such features keeping all files backups with ~ extension then ~~ then ~~~ and so on.
filesystems backup
edited 1 hour ago
Stephen Kitt
186k26434514
asked 1 hour ago
dominixdominix
9519
I am interested in btrfs and I start understanding and loving it COW process.
But what I understand is that I need to do snapshots to keep track of all modifications done on file. What happen when there are multiples modifications between 2 snapshots? I guess I just have the last state at snapshot time.
Is there a way with btrfs or another filesystem to keep track of all modifications on files (including moving files)? IIRC DEC had such features keeping all files backups with ~ extension then ~~ then ~~~ and so on.
filesystems backup
filesystems backup
edited 1 hour ago
Stephen Kitt
186k26434514
asked 1 hour ago
dominixdominix
9519
edited 1 hour ago
Stephen Kitt
186k26434514
asked 1 hour ago
dominixdominix
9519
edited 1 hour ago
Stephen Kitt
186k26434514
edited 1 hour ago
Stephen Kitt
186k26434514
edited 1 hour ago
Stephen Kitt
186k26434514
186k26434514
asked 1 hour ago
dominixdominix
9519
asked 1 hour ago
dominixdominix
9519
asked 1 hour ago
dominixdominix
9519
9519
add a comment |
add a comment |
1 Answer
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Log-structured file systems provide this, albeit not in the same way as VMS. You can think of them as a circular buffer, remembering previous versions as long as there’s room for them.
On Linux, one such file system is NILFS2; it provides continuous snapshots, and user-configurable garbage collection. The latter means that when a volume fills up, the user can configure which snapshots are deleted — so you could have many recent snapshots, and less frequent snapshots as you go back into the past, instead of the more obvious “delete the oldest snapshots” one might expect from a circular buffer.
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
add a comment |
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1 Answer
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1 Answer
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Log-structured file systems provide this, albeit not in the same way as VMS. You can think of them as a circular buffer, remembering previous versions as long as there’s room for them.
On Linux, one such file system is NILFS2; it provides continuous snapshots, and user-configurable garbage collection. The latter means that when a volume fills up, the user can configure which snapshots are deleted — so you could have many recent snapshots, and less frequent snapshots as you go back into the past, instead of the more obvious “delete the oldest snapshots” one might expect from a circular buffer.
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
add a comment |
Log-structured file systems provide this, albeit not in the same way as VMS. You can think of them as a circular buffer, remembering previous versions as long as there’s room for them.
On Linux, one such file system is NILFS2; it provides continuous snapshots, and user-configurable garbage collection. The latter means that when a volume fills up, the user can configure which snapshots are deleted — so you could have many recent snapshots, and less frequent snapshots as you go back into the past, instead of the more obvious “delete the oldest snapshots” one might expect from a circular buffer.
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
add a comment |
Log-structured file systems provide this, albeit not in the same way as VMS. You can think of them as a circular buffer, remembering previous versions as long as there’s room for them.
On Linux, one such file system is NILFS2; it provides continuous snapshots, and user-configurable garbage collection. The latter means that when a volume fills up, the user can configure which snapshots are deleted — so you could have many recent snapshots, and less frequent snapshots as you go back into the past, instead of the more obvious “delete the oldest snapshots” one might expect from a circular buffer.
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
Log-structured file systems provide this, albeit not in the same way as VMS. You can think of them as a circular buffer, remembering previous versions as long as there’s room for them.
On Linux, one such file system is NILFS2; it provides continuous snapshots, and user-configurable garbage collection. The latter means that when a volume fills up, the user can configure which snapshots are deleted — so you could have many recent snapshots, and less frequent snapshots as you go back into the past, instead of the more obvious “delete the oldest snapshots” one might expect from a circular buffer.
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
answered 1 hour ago
Stephen KittStephen Kitt
186k26434514
186k26434514
add a comment |
add a comment |
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