rhinoman Posted January 25, 2018 Share Posted January 25, 2018 I used pre-clear on a new drive and have now got this result twice. Should I be concerned and back the drive or not? Quote ############################################################################################################################ # # # unRAID Server Preclear of disk ZA19Z3ZX # # Cycle 1 of 1, partition start on sector 64. # # # # # # Step 1 of 5 - Pre-read verification: [12:09:57 @ 182 MB/s] SUCCESS # # Step 2 of 5 - Zeroing the disk: [12:08:40 @ 183 MB/s] SUCCESS # # Step 3 of 5 - Writing unRAID's Preclear signature: SUCCESS # # Step 4 of 5 - Verifying unRAID's Preclear signature: SUCCESS # # Step 5 of 5 - Post-Read verification: FAIL # # # # # # # # # # # # # # # ############################################################################################################################ # Cycle elapsed time: 25:03:48 | Total elapsed time: 25:03:48 # ############################################################################################################################ ############################################################################################################################ # # # S.M.A.R.T. Status default # # # # # # ATTRIBUTE INITIAL STATUS # # 5-Reallocated_Sector_Ct 0 - # # 9-Power_On_Hours 28 - # # 184-End-to-End_Error 0 - # # 187-Reported_Uncorrect 0 - # # 190-Airflow_Temperature_Cel 39 - # # 197-Current_Pending_Sector 0 - # # 198-Offline_Uncorrectable 0 - # # 199-UDMA_CRC_Error_Count 0 - # # # # # # # # # ############################################################################################################################ # SMART overall-health self-assessment test result: PASSED # ############################################################################################################################ --> FAIL: Post-Read verification failed. Your drive is not zeroed. root@SUN:/usr/local/emhttp# Link to comment
rhinoman Posted January 25, 2018 Author Share Posted January 25, 2018 Any opinions on this? Link to comment
JorgeB Posted January 25, 2018 Share Posted January 25, 2018 Any opinions on this?If you need to preclear use the script instead of the plugin, plugin has issues for some users. Link to comment
rhinoman Posted January 25, 2018 Author Share Posted January 25, 2018 Its been ok for me up until now, the only thing thats changed is I'm now on 6.4.0. It even cleared an identical drive last week perfectly which is why I was a little concerned that the pre-clear failed, that and the fact it turned up in very poor packaging from Amazon. This drive was to replace one of my dual parity dives so I guess the risk of using it is pretty low overall. Link to comment
JorgeB Posted January 25, 2018 Share Posted January 25, 2018 6 minutes ago, rhinoman said: the only thing thats changed is I'm now on 6.4.0 That is reason enough, see: Link to comment
JorgeB Posted January 25, 2018 Share Posted January 25, 2018 8 minutes ago, rhinoman said: I was a little concerned that the pre-clear failed, that and the fact it turned up in very poor packaging from Amazon. If you want an opinion on the disk's health post the current SMART report, since the plugin only shows some of the initial values. Link to comment
rhinoman Posted January 26, 2018 Author Share Posted January 26, 2018 The smart report short and extended were both perfect so I'm going to give it a try in the server, thanks for your advice. Link to comment
pwm Posted January 26, 2018 Share Posted January 26, 2018 6 hours ago, rhinoman said: The smart report short and extended were both perfect so I'm going to give it a try in the server, thanks for your advice. Perfect as in "not failing" or did you look through all the individual counters? The drive manufacturers often reports success even when the drive is in rather bad shape. Link to comment
voicelex Posted April 30, 2018 Share Posted April 30, 2018 Just tried the preclear script for the first time and after around 48 hours the script was just about to wrap up and I received the same error on the last step. I'm running an extended SMART report now, will report what I find but did you ever figure out what the deal was @rhinoman? Link to comment
Frank1940 Posted April 30, 2018 Share Posted April 30, 2018 See here: https://lime-technology.com/forums/topic/54648-preclear-plugin/?page=80&tab=comments#comment-654375 Link to comment
voicelex Posted May 1, 2018 Share Posted May 1, 2018 Thanks Frank, and my SMART report seems A-OK as well. WDC_WD80EMZZ-00TBGA0_VJGXL3NX-20180430-0855.txt Link to comment
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