JustinChase

thanks Joe. Which would you run? you gave 2 commands, so I'm not sure which is 'most likely' to give me a usable drive, or determine that it's definitely not worth putting to use? Since it sounds like it's gonna take a couple of days, plus another preclear cycle, I'd really only want to do it once, so which one do you recommend? badblocks -c 1024 -b 65536 -o /boot/badblocks_out.txt -svn /dev/sdk or badblocks -c 1024 -b 65536 -o /boot/badblocks_out.txt -svw /dev/sdk

I don't have 'lots of splitters', but I do have a couple of drives connected with an old style power connector adaptor to a new style SATA power connector. I honestly can't remember if this drive is connected with such an adaptor, and will have to take the server apart to find out for sure. The server has 8 120mm fans connected to the power supply (5 to one power connector, and 3 connected to another). if that matters. The server runs very cool, so I can disconnect at least 3 of the fans without issue, i'm sure. I stopped SABnzbd from running while I ran the preclear on only on drive, so preclear should have been the only thing running on this server all night. Below are the results, which show sectors still needing re-allocation. this drive is a few years old, and had served as my cache drive for the last couple of years. It is out of warranty so there is no RMA available. so, do I throw the drive away, even though is hasn't actually failed, or preclear again, or put it into the array, and be aware that it's likely to fail in the near future, and get a replacement ordered and precleared to be ready the day it does fail on me??? == invoked as: ./preclear_disk.sh /dev/sdk == SAMSUNG HD103UJ S13PJDWS337885 == Disk /dev/sdk has been successfully precleared == with a starting sector of 64 == Ran 1 cycle == == Using :Read block size = 8225280 Bytes == Last Cycle's Pre Read Time : 3:13:07 (86 MB/s) == Last Cycle's Zeroing time : 2:58:54 (93 MB/s) == Last Cycle's Post Read Time : 7:15:07 (38 MB/s) == Last Cycle's Total Time : 13:28:07 == == Total Elapsed Time 13:28:07 == == Disk Start Temperature: 26C == == Current Disk Temperature: 25C, == ============================================================================ ** Changed attributes in files: /tmp/smart_start_sdk /tmp/smart_finish_sdk ATTRIBUTE NEW_VAL OLD_VAL FAILURE_THRESHOLD STATUS RAW_VALUE Airflow_Temperature_Cel = 75 74 0 ok 25 Temperature_Celsius = 76 74 0 ok 24 No SMART attributes are FAILING_NOW [b]10 sectors were pending re-allocation before the start of the preclear.[/b] 11 sectors were pending re-allocation after pre-read in cycle 1 of 1. 0 sectors were pending re-allocation after zero of disk in cycle 1 of 1. [b]9 sectors are pending re-allocation at the end of the preclear, a change of -1 in the number of sectors pending re-allocation.[/b] 0 sectors had been re-allocated before the start of the preclear. 0 sectors are re-allocated at the end of the preclear, the number of sectors re-allocated did not change.

Okay, thanks. Since I don't really know that much about the details of the workings of hard drives, nor preclear, I'm still a bit confused why they are still pending. If preclear has identified them as needing to be re-allocated, why weren't they re-allocated? Also, the post you linked me to says that it might be a bad PSU. Those 2 drives bring me up to 10 drives total in this system, which is using a 550W power supply (XFX - Core Edition PRO550W - 80 PLUS BRONZE Certified Active PFC) I'm not positive it that is enough power for 10 drives (nor am I sure how to calculate that).

My latest preclear on a brand new drive. it was purchased as an external drive, but i removed the drive to use with unRAID. it looks okay, but there is one thing that concerns me, and confuses me... it says 6 sectors are pending re-allocation, but then it says 0 were re-allocated why didn't it re-allocate them, and what should I do now, if anything? I am pretty much out of space, so was hoping i could start using this drive, but I'd MUCH prefer to not have avoidable problems later, so I'm going to wait for feedback before proceeding. I have a similar report for the other disk i pre-cleared, which used to be my cache drive, but I replaced that with a 500GB drive, and want to put this 1TB drive into storage usage, but again, not sure if it's "okay" to do so, for the same reason...