Always use the option to verify the files afterwards. But better use other options:ĬCC is most reliable for system disks backups and should be preferred for those. Of course it’s better than no backup at all. I wouldn’t use Time Machine because when things go wrong, there is little you can do to fix things. After adding files to the source, changing a few and removing some then running an incremental backup proved CCC to be a little faster but nothing dramatic.Ĭan anyone make a recommendation? Can I get CCC or ChronoSync to do what I want at a reasonable speed? Do I have to forget about speed and go with APFS over HFS on my HDDs so I can l leverage the power of APFS snapshots? I tested a 100GB folder-to-folder backup with both apps and CCC was about 1.5 X faster than ChronoSync, from HFS to HFS. " So it sounds like I have to have my SoftRAID backup volume HDD formatted as APFS to utilize snapshots, which will slow it down, but will allow versional more easily? But it appears ChronoSync can handle versioning a bit better than CCC, without APFS? If you're looking for access to older versions of your files, enable snapshot support on your APFS-formatted backup volume. So this is where I get confused: CCC warns in their documentation that " SafetyNet is not designed to offer backup versioning. Otherwise I get 500MB/s with 4 HFS HDDs with SoftRAID 5 volumes.ĬHRONOSYNC VS CCC, APFS VS HFS, SNAPSHOTS Entering Time Machine to flip through old snapshots to retrieve an old, lost file takes forever, or sometimes doesn't work at all, which is unacceptable. Time Machine backups are now even slower than usual. You don't notice it at first but as the drive fills up you soon realize that APFS is much slower than HFS on HDDs. Time Machine is now slow as molasses because it requires APFS on HDDs, which negates the speed advantage of running SoftRAID 5 entirely. TIME MACHINE REQUIRES APFS on HDDs - SLOW I don't need backups to be bootable for emergencies because Apple no longer allows booting from SoftRAID anymore, and I already have the CCC clone I mentioned. But now I might need to use CCC or ChronoSync or something else you recommend to replace the functionality of Time Machine entirely, as closely as possible, faster. I'm using Time Machine to backup my first SoftRAID unit holding my Work and Media volumes on my SoftRAID HDDs, as well backup my my internal SSD (data only, for more reliable versioning over CCC). I use it to make a bootable clone (with SafetyNet) of my startup SSD, on an external USB 3 SSD. I've owned and loved Carbon Copy Cloner forever. The SoftRAID developer has helped me a ton with this but there is no known fix so he recommended giving up on TM, so here we are. Those downloads and Plex files are on my Media volume and when TM tries to back them up while they're being used it causes restarts with no real evidence of crashes in Console - it's driving me nuts. I keep experiencing restarts when TM backs up while I'm concurrently downloading torrents with qBittorrent and/or viewing movies via Plex on my living room TV connected through wired ethernet. Time Machine has worked well for me since day 1 but over the last couple years it's not reliable and I need a better solution. I have a late 2015 27" iMac with an internal SSD, two ThunderBay 4 running SoftRAID 5 populated with 4 - 3TB HDDs (HFS format for Media and Work volumes) and 4 - 4TB HDDs (APFS format for Time Machine), respectively. TLDR: I can no longer trust Time Machine and need a recommendation for a replacement that does the exact same thing scheduled incremental backups of multiple volumes that keep as many older daily, weekly and monthly versions as the volume can hold, with automatic pruning, simple browsing of older versions, and easy restoring of single files or entire volumes.
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