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Backup
3 Topics
USB HDD used as destination for Backup of 314 / use old NAS instead?
I purchased a Seagate Expansion 3TB Desktop External Hard Drive USB 3.0 (STBV3000100) few years back to serve as my destination to backup my RN314. I plugged it into the front port of my NAS and while I am able to back up to it, it only recognizes 2 TB of space. 1. Have I done something that limited my NAS to recognizing only 2TB. 2. Assuming I fix that, or the NAS OS is capable of larger destination drives, what is maximum supported? I currently only back up with shares and not my timemachine (a decision made mainly about space). I recently began a vertical upgrade of space on my NAS, because my Shares grew. I am now backup up only 3 of 4 shares. The data on the 4th is replaceable with a little effort. As an asude, I still have the chassis of my old ReadyNAS NV+ can I fill it with retired HDD from my upgrade and use it as a backup destination? EIther place it offsite and backup over the net (might be too slow) or bring it onsite once a week and store it off site?Solved
Sync to USB drive instead of clear and full backup
Is there a way to sync a folder on the ReadyNAS to an USB drive instead of having it cleared and fully backuped? I have a large share on the NAS and a 2 TB USB drive attached. On this share new files will often be created and old deleted and this will quickly fill the USB drive when using incremental backups. Clearing the whole backup and then copying over 1 TB of files which were already there doesn't seem like a great idea. I've found a workaroud here: How to sync NAS and USB drive , but maybe there is a cleaner way of doing it in the current firmware?Solved
Checksum test of NAS backup to external HD
Hi I think it would be very good to have the option to do checksum test of backup from NAS to external HD. In this way one could be more certain that once the file is on the NAS (with bit-rot protection enabled) then any future backup would keep the data integrity. Naturally we do incremental backup of the NAS to external HD and therefore checksums should be done on the incremental backups. If the useer now and then would like to make a total check of the correctnes of the backup using checksum test that should be possible too. I guess this would be faster than making a new backup. To make this service complete it would be good to offer checksum test also for: - transfer of files via USB to the NAS typically for uploading new photos from SD-card etc - backup function from Mac/PC to the NAS that ensures the checksum is ok - could be that Acronis backup software for Windows already do that, but I am not sure. This checksum test should preferably run in the background since it may take some time. If backup is done to another ReadyNAS under OS6 that may be easier to implement - but I am not sure. The normal usage of NAS I think is that files uploaded on the NAS will be read within some limited time and possible corruption seen. Backups that get corrupted is much harder to detect I think. Therefore I would set first priority on making a function to check the correctness of backup of the NAS to external HD.