Everything looked nominal. This case is actually kind of unexpected example of routine operation going belly up, the NAS owner ends up looking for recovery options after RAID 5 crash
Recently our quite old NAS Iomega Storcenter 200rl with a RAID 5 out of 4x500GB, reported a harddisk failure and our administration replaced one of the disks that was marked. Then the Storecenter told that it was synchronizing the data. After synchronization the NAS told that 100% of storage capacity is free and so it tell until now… I am interessted in options to revocer the data.
Certainly does not look like something was done wrong; if the NAS have sensed the rebuild cannot be completed, it would have had refused to even start the process. Certainly, with a wrong disk replaced, the rebuild does not happen. In this case, however, the rebuild was completed with no reported anomaly – something else went wrong.
With something unknown going wrong, it is difficult to predict if the case is recoverable. One can give our Home NAS Recovery a spin, but there is no guarantee of success. Cases when rebuild goes wrong for no apparent reason are always dicey.
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