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Forum Discussion
yoh-dah
Apr 21, 2008Guide
Making Time Machine work with the ReadyNAS
The step-by-step how-to can be found here.
jcbloch
Nov 09, 2008Aspirant
Nice.
But, I would still be quite careful. I had no problems for months, too.
You ought to back up those images or have alternative restore options. I am describing well known issues with these sparsebundles and not shortcoming of the NAS or the method used to setup this method of backup-- except of course for one issue: if an image does get corrupted, you will have 2 copies of it if you use raid. Great.
The fact that a single bad-bit will kill the image, and that there is no commercial recovery software that can handle the large catalogues in these images should be enough to give folks heed; keep other backups. I do, so these issues are not a huge deal for me, but rather just a big time waste. Letting people know that "it worked for me, so its a good solution" is like me saying "I've never had a hard drive fail on any of my more the a dozen macs (true), so why do I need backup". There is nothing wrong with the simple recipes posted here that describe how to use the NAS with TM; the problem is with the brittleness of the sparseimage technology and the uselessness of raid here... and the fact that you (likely) don't know an image has been corrupted until the next time a backup is attempted
But, I would still be quite careful. I had no problems for months, too.
You ought to back up those images or have alternative restore options. I am describing well known issues with these sparsebundles and not shortcoming of the NAS or the method used to setup this method of backup-- except of course for one issue: if an image does get corrupted, you will have 2 copies of it if you use raid. Great.
The fact that a single bad-bit will kill the image, and that there is no commercial recovery software that can handle the large catalogues in these images should be enough to give folks heed; keep other backups. I do, so these issues are not a huge deal for me, but rather just a big time waste. Letting people know that "it worked for me, so its a good solution" is like me saying "I've never had a hard drive fail on any of my more the a dozen macs (true), so why do I need backup". There is nothing wrong with the simple recipes posted here that describe how to use the NAS with TM; the problem is with the brittleness of the sparseimage technology and the uselessness of raid here... and the fact that you (likely) don't know an image has been corrupted until the next time a backup is attempted
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