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Forum Discussion
Think twice before committing to X-RAID or RAID-5. What is your recovery plan?
TL;DR: Because I chose RAID-1 over X-RAID, I easily survived a disk failure. I'm back to having a working RAID-1 array, with no loss of data, no support contract, no data recovery fees, no proprietar...
The best news is that you avoided data loss :smileyhappy:
I agree it is important to think through your backup/recovery plan when you plan your installation. I think your assessment of RAID-1 is accurate - easiest to recover, at the cost of 50% overhead for redundancy.
I use XRAID myself, and I maintain good backups on several devices (and also one backup in the cloud - Crashplan).
For a lot of people who choose x-raid (raid5 or 6), simply have more data than will fit on a single disk.
You make good obvervation regarding the ease of recovery of raid 1, but of course you are also paying double for the available the disk space.
it all comes down to risk and cost and convenience.
while raid 1 is potentially easier to recover, raid 1 (nor raid 5 or 6) will still not protect you from theft, from virus or malacious users deleting or corrupting your data, it won't protect from mother nature (fire/flood/etc), and it won't protect you if both drives fail before you can get your data recovered.
So as always, it is critical that you have multiple backups of your important data. That means multiple copies, spread out on multiple devices, and ideally in multiple locations.
think twice?
already done that
my bulk of data consists of 90% static movies and tv series
used to have redundancy raid 5 but now all on 2 disk raid 0 and jbod with pro 6. however i use a rackmount 2120 v2 2x2 disks raid 0 for backup. plus dynamic data such as image backup of pcs i additionally use scheduled backup to external usb hard drive.
my reasoning is that with raid 5 or 6 the resync time is too long and it hinders performance. there are instances another hard drive would fail during resync. much easier to destroy the array/volume, insert new drive and recreate arry then execute backup
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