NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
Time Machine and bit-rot protection etc
Hi,
I have used ReadyNAS for Time Machine backup for my Macs for several years with good experience.
Now I intend to buy a new NAS running with OS 6 and like to learn how to use BTRFS in a proper way.
Main job of the NAS is to house archive of photos and video etc and naturally should be in a share
where bit-rot protection is turned on.
Secondary job of the NAS is to do backup of 3-4 Macs regularly.
I wonder if it make sense to have bit-rot protection on also on Time Machine backups
Or this will mainly lead do disk defragmentation etc?
Usually I do backup of the whole system and its settings
(but do not include VMs and all media are normally only on the NAS).
I have used ReadyNAS for Time Machine backup for my Macs for several years with good experience.
Now I intend to buy a new NAS running with OS 6 and like to learn how to use BTRFS in a proper way.
Main job of the NAS is to house archive of photos and video etc and naturally should be in a share
where bit-rot protection is turned on.
Secondary job of the NAS is to do backup of 3-4 Macs regularly.
I wonder if it make sense to have bit-rot protection on also on Time Machine backups
Or this will mainly lead do disk defragmentation etc?
Usually I do backup of the whole system and its settings
(but do not include VMs and all media are normally only on the NAS).
3 Replies
Replies have been turned off for this discussion
- Time Machine support is built in, and doesn't use a regular share - AFAIK there is no option to turn on CoW or snapshots for it. I use windows myself with Acronis backup - and don't have CoW/Snapshots turned on for the share with my image backups.
I'd suggest multiple shares for Media (I keep music, photos, movies, and tv in separate shares). One reason is that backup is easier if the shares are small enough to fit on one USB disk. (Even with btrfs/raid you still should maintain backups). - Good.
When you do your backup stuff with Acronis do you keep that on the same
volume where you have other share with bit-rot protection turned on?
Or you prefer to really separate backup stuff from archive and have
them on different volumes really. - When I am using RAID I keep one volume for device. My smaller backup NAS don't have as much capacity, so I use generally jbod on them, and have one volume for every disk. So mainly I am managing features on the share level.
Bit-rot protection depends on software RAID btw - although you can check the check-box with from the web UI, on a jbod volume doing that only enables CoW, and not the bit rot protection feature.
BTW, you were thinking iSCSI on other threads. With iSCSI the client machine (mac in your case) does the formatting, iSCSI provides only an virtual raw disk. BTRFS isn't used in that case, since the mac doesn't do it. The ISCSI LUN itself is stored with BTRFS, but that is just a very large file as far the NAS file system is concerned.
NETGEAR Academy
Boost your skills with the Netgear Academy - Get trained, certified and stay ahead with the latest Netgear technology!
Join Us!
