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Forum Discussion
Markle-Sparkle
Apr 06, 2020Tutor
NV+
My NV+ has been RESYNCing for 5 days. RAIDar still shows 0.0% complete. Raidiator is almost impossible to use due to sluggishness. Unit has been power cycled. Nothing changes. Backup in Frontvi...
- Apr 24, 2020
Markle-Sparkle wrote:
Additionally, is there anyway to turn off the requirement to log in to these two ReadyNAS devices every 30 minutes or whatever it is? I'd like to be able to quickly check on the backup status during the day without having to log in constantly.The NV+ shouldn't be logging you out. OS-6 will, and unfortunately there is no way to adjust the timeout.
Markle-Sparkle wrote:
can't seem to set up an NFS or SMB job.This is on the OS-6 NAS? Is NFS enabled as a file sharing protocol on both NAS? SMB is called "Windows/NAS (timestamp)" in the backup job setup.
Markle-Sparkle wrote:
Yes, I am getting about 10 GB/hour. Any other ideas?I'm thinking that disk 4 is the RAID parity disk on the NV+. If so, the NAS is needing to reconstruct the data that was on disk 2 on the fly. That will slow down the transfer speed with all protocols (I've never tried to measure how much). Though you measured 30 MB/s before with SMB, that might not be sustainable. SMB or NFS would still be faster than rsync though.
How much data is on the NV+?
The only way to speed it up is to switch to NFS or SMB. Though now that resyncing is off the table, you could run the backups only during the day (reducing the off-hours power use). Rsync would need to rebuild the list of files to be transferred every time you restart the backup job, but it wouldn't recopy the already-transferred files (assuming it is set to incremental).
Since the volume is degraded, you do want to transfer the most important shares first. Also, it would be prudent to minimize writing data (or reorganizing files/folders) on the NV+.
Markle-Sparkle
Apr 23, 2020Tutor
StephenB wrote:
Generally I don't bother with Test Connection. Sometimes it fails when the backup succeeds, and sometimes it succeeds when the backup fails.
Rsync is CPU intensive compared to SMB or NFS, and it is a lot slower with the NV+. My recollection is that you generally get 20 GB an hour with rsync with the NV+ - you appear to be getting half that. But if you are syncing at the same time, then that is not surprising. Also, if you are simultaneously backing up with the PC, that will of course add more load to the NAS.
I use Rsync anyway to back up to my old NV+ and Duo - because it is quite efficient at doing incremental backups. But the initial full backup will take a long time.
You could power down and remove both disk 1 and disk 2, and then power up - skipping the file system check via the boot menu. That would eliminate the resync overhead until you get the backup done.
Four jbod volumes (one per disk) are the safest way. You get there by doing a factory reset with only one disk in place, and then choose RAID-0. Then hot-insert the remaining disks (one at a time), and create a new volume on each.
You could also use RAID-0 to create one volume that spans all 4 disks. That gives you the ability to backup larger volumes.
The downside of a single volume is that when any disk fails you lose everything. If you use 1 volume per disk, then you only lose what was on that disk.Another advantage of one volume per disk is that extracting the data using a PC is much simpler. The downside of 4 volumes is that it limits the size of the largest share you can back up.
Two RAID-1 volumes would resync each volume faster (half the time), but it would cut your capacity in half.
Note I use XRAID on my own NV+. But I'm not worried about how long the resync might take (I do have solar, but am on the grid). And the NV+ is a secondary backup.
Disks 1 & 2 are not in the NV+ and the NV+ is only doing one job in serving as an Rsync server to the OS6 pull. The OS6 is also not doing anything except pulling one Rsync job from the NV+. I've given up on trying to resync the NV+ and all it is doing is serving as the source for a the single backup job on one share at a time. I can't seem to set up an NFS or SMB job.
Yes, I am getting about 10 GB/hour. Any other ideas?
Additionally, is there anyway to turn off the requirement to log in to these two ReadyNAS devices every 30 minutes or whatever it is? I'd like to be able to quickly check on the backup status during the day without having to log in constantly.
Yes, I am totally off grid. Solar is my only energy source.
StephenB
Apr 24, 2020Guru - Experienced User
Markle-Sparkle wrote:
Additionally, is there anyway to turn off the requirement to log in to these two ReadyNAS devices every 30 minutes or whatever it is? I'd like to be able to quickly check on the backup status during the day without having to log in constantly.
The NV+ shouldn't be logging you out. OS-6 will, and unfortunately there is no way to adjust the timeout.
Markle-Sparkle wrote:
can't seem to set up an NFS or SMB job.
This is on the OS-6 NAS? Is NFS enabled as a file sharing protocol on both NAS? SMB is called "Windows/NAS (timestamp)" in the backup job setup.
Markle-Sparkle wrote:
Yes, I am getting about 10 GB/hour. Any other ideas?
I'm thinking that disk 4 is the RAID parity disk on the NV+. If so, the NAS is needing to reconstruct the data that was on disk 2 on the fly. That will slow down the transfer speed with all protocols (I've never tried to measure how much). Though you measured 30 MB/s before with SMB, that might not be sustainable. SMB or NFS would still be faster than rsync though.
How much data is on the NV+?
The only way to speed it up is to switch to NFS or SMB. Though now that resyncing is off the table, you could run the backups only during the day (reducing the off-hours power use). Rsync would need to rebuild the list of files to be transferred every time you restart the backup job, but it wouldn't recopy the already-transferred files (assuming it is set to incremental).
Since the volume is degraded, you do want to transfer the most important shares first. Also, it would be prudent to minimize writing data (or reorganizing files/folders) on the NV+.
- Markle-SparkleApr 24, 2020Tutor
Okay, StephenB. Thanks for all your insight.
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