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Forum Discussion
Reallocated Sector Count on new drive
Hi all, Recently I swapped one of my 4 drives (X-RAID 2 dual redundancy) on my Readynas Pro 6 proactively as I wanted to eventually get into a position where 2 of these disks are a different age....
not a concern if you have backup
redundancy from raid is not a backup
as long as the number is not increasing there is no prob
Backups are taken daily...
It supports a business so even with a backup in the event of the system being unavailable there would be serious impact. There is another NAS acting as a mirror but still it would require my intervention and time to bring it online.
I know I'm probably being paranoid here as even the drive failure should not result in the system being down since it has dual redundancy.
It's just disapointing to have reallocated sectors on a brand new drive... Will keep an eye and if it goes up much more, I'll replace it again.
newly manufactured drives are different from a never used drive manufactured 2 years ago.
even if you dont use the drive the platter may deteriorate. just like a car will go rusty even if you dont drive it but park in garage for 2 years. :-)
Well following the re-sync after replacing another disk in the same system, it has increased from 3 to 4... So I must keep a watchful eye on this. I think a re-sync / rebuild of the volume should read every sector on the disk so hopefully that's it.
I disagree with the statement that a never used drive would deteriote. There is no science behind it that I can see and I have some very old drives with 0 bad sectors. Luck of the manufacturing draw I guess.
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