Unraid preclear 2021 ) It has now been close to four years ago since I did this, and during this time there have been changes to the data. Derzeit wird ein "read check" vollzogen. I noticed the drive seems to be making a ticking noise once a second, almost like a wall Dec 3, 2024 · dd if=/dev/zero of=/dev/sdX bs=1M status=progress Replace /dev/sdX with the correct drive identifier. I recently upgraded to 6. Jan 24, 2021 · Hallo allerseits. Ran preclear once and one of the hard drives failed (Seagate Exos 18TB). So, to preclear this new drive, I'd have to fir Dec 9, 2016 · PLEASE NOTE THAT THE PRECLEAR PLUGIN HAS BEEN DEPRECIATED FROM UNRAID 6. unraid said something like 'disk will be formatted Oct 20, 2021 · I'm preparing for a parity swap, so I've begun by running preclear on a new Western Digital Red Pro 16Tb drive. April 11, 2021 3,148 replies Jan 18, 2021 · Unmountable: Unsupported partition layout I've tried formatting, but that just puts out the following error: Unmountable disk present When I tried to manually format it in gparted, I couldn't even create a partition table. 12 J. s pte:8000000161454065 pmd:20a5c5067 Sep 14 15:17:58 Tower kernel: page:000000001e13fb34 refcount:1 mapcount:-1 mapping:00000000d4efed99 index:0xb pfn:0x161454 Sep 14 15:17:58 Tower kernel: memcg:ffff88810018a000 Sep 14 15:17:58 Tower kernel: aops:shmem_aops ino:76f dentry name:"libpam. Now I want to reins Dec 6, 2021 · Unraid version: 6. Feb 27, 2022 · When a disk is precleared by UD Preclear, and subsequently installed in the array, Unraid will accept it as a cleared disk and not perform another lengthy clear operation. You do not have to pre-format the disk before adding it to the array. Therefore I never remember how to do anything significant and when I search these forums and the googles i get 50 different answers. Thought I'd make a simple video on how to actually do a manual Preclear, you'd be surprised at how little information there really is that's simple to follow This plugin is an utiliity to test and clear disk drives prior to add them to Unraid's array, or to erase them prior to disposal. Aug 19, 2021 · In the section of the manual on adding disks there is a minor typo as shown below WHOLE should in fact be WHILE. Ich möchte eine gebrauchte Festplatte löschen und Funktionstauglichkeit prüfen. H. I tried new cables and ports in server, but it still will not show up. When you add a disk to a new slot in a parity protected array, it must be clear (all zeros) so parity will remain valid. 4) Uninstalled and then re-installed pre-clear. I took a look at a few threads with the same issue and tried some of the solutions, but nothing worked or isn't applicable. 22 == == Disk /dev/sdn has been successfully precleared == with a May 17, 2015 · # Step 3 of 5 - Writing unRAID's Preclear signature: SUCCESS # # Step 4 of 5 - Verifying unRAID's Preclear signature: SUCCESS # May 17, 2015 · Due to various continual issues with this plugin, it has now been marked as being incompatible with Unraid versions 6. corruption). 24. A note, in the future I should preclear before adding disks - how to preclear your disks Good to know for next time!! If you don't, adding new disks takes hours. Is this possible at all anymore? Hello, turning on my unraid tomorrow morning for first time, new build 3x 18tb exos drives 1 for parity 2 storage and a nvme for cache and a sata ssd for a few VMs (obv not preclear the nvme/ssd). Is that Jan 6, 2021 · Hi - haven't been on v6 long (I know - welcome to the party!) Just replaced a smaller disk with a slightly larger one and know I need to preclear first (yes, the plugin is installed) - but thought I needed to hit the "format" button as shown in the attached - but it's greyed out - what am I missi Sep 13, 2019 · Maybe I'm misunderstanding something but I ran the preclear docker script on my new 4 TB disk. sh -l lists the drive, but that seems like a reasonable thing for it to have done since it hasn't been added to the Feb 20, 2017 · Contribute to gfjardim/unRAID-plugins development by creating an account on GitHub. i have a new drive would be nice to format and preclear. What is the purpose of the preclear script, and is it still required? A1. " Jan 5, 2021 · Hi Everyone, for some reason I can't seem to access the webGUI. . 2. 85. 6 s, 224 MB/s Jul 04 20:45:38 preclear_disk_<REDACTED4>_7253: dd process hung at 22000189833216, killing Jul 1, 2024 · Preclear Disk Version: 1. What's Wrong With You!! . So I ran Unraid short Smart test and it Preclear plugin Plugin Support April 11, 2021 Not sure with 100% certainty what the issue was, but I did the following and it seems to have resolved my issue: May 5, 2021 · I mentioned this in another thread, but for the most part Unraid has served me well and I only really need to do any real maintenance every few years. So weit so gut. 4 ONWARDS. Functionally it is the same. Do I need to do this, or is the regular clear setting enough? Also, should I preclear an ssd I'll be using for cache, or is it too different from an HDD to make sense? Aug 4, 2022 · I've recently bought a new 10TB drive intending for it to be the new parity drive and I'm almost at the end of the first full pre-clear cycle which I'm estimating to complete with a total of 51 hours. I precleaared the drive , and it was sucessful. I have one drive that the error count increases at every parity check. Dec 20, 2023 · My understanding is preclearing stress tests the disks, zeroes them, and gives an unraid signature as well. Reallocated_Sector_Ct 43 43 My understanding is that it's a sign of drive failure, but I jus Feb 12, 2021 · Hey folksusing preclear for the first time with an 8tb drive in a USB 3 dock. I was hoping someone would be able to clarify something for me as I am new to unraid but try to be educated. It is rebuilding as we speak. All my plugins transferred over successfully except for the Preclear plugin that disappeared. I have an Unraid server recently set-up: Unraid Server Version: 6. I started binhex/preclear on one, and it's gonna take like 90hours. I have been stopping the WD preclear to try to fix the issue. unraid said something like 'disk will be formatted Dec 31, 2020 · It's also clear that there is a bug associated with this problem, although perhaps only cosmetic: the green button to the extreme left of the device in the Unassigned Devices list suggests that clicking the button will "spin down the device". When I run an extended SMART test (attached), the Feb 27, 2022 · Hello, I trying to preclear 3 8tb disks, 2 Seagates and 1 Western Digital (a bit slower than the Seagates). It gives a little information about how it works and how to use it. I vaguely seem to recall this being an issue in the past but am not really sure what the story is-I'm pretty sure the drive doesn't need to get mounted via SATA to preclear, but I also don Interesting - not that it is the gospel, but in Spaceinvaders Pre-Clear video the description has been updated to show "PLEASE NOTE THAT THE PRECLEAR PLUGIN HAS BEEN DEPRECIATED FROM UNRAID 6. Verify the Drive is Cleared: Once the process completes, you can check the drive with hexdump -C /dev/sdX | head May 17, 2015 · Hi guys, this is a simple plugin that allows users to clear their disks before add them to the array. 4. 16 or Joe L. I presumed the next steps to adding the drive onto unraid would be to install the drive, format the drive, and preclear the drive. Feb 27, 2022 · Unassigned Devices Preclear - a utility to preclear disks before adding them to the array My understanding is preclearing stress tests the disks, zeroes them, and gives an unraid signature as well. Feb 27, 2022 · From the first post in this thread- There is also the option available to use the notification options configured in unRAID to send you notifications at intervals which you configure if you enable the notifications option in the preclear popup window. sh when you launch the http for the preclear docker, NOT preclear_disk. The main characteristics of this plugin are: Modularity: can be used standalone or in conjunction with Joe L. 2 Current HDD: 5x Seagate Iron Wolf 8TB, 1x WD Red 8TB, Current Nov 7, 2021 · I had a drive die so I purchased a new drive. Quote Feb 27, 2022 · Jul 04 20:45:38 preclear_disk_<REDACTED4>_7253: Zeroing: dd output: 10490507+0 records out Jul 04 20:45:38 preclear_disk_<REDACTED4>_7253: Zeroing: dd output: 22000187736064 bytes (22 TB, 20 TiB) copied, 98093. I am running 6. Feb 5, 2012 · I've read quite a few posts on preclear and don't know which is the most current or which one applies to my scenario. It took six hours to run but slowed down over time. Anyway I removed the USB for unraid and re-formatted all the drives from the unraid server to NTFS and populated some of them with media files. sh -l (to list the eligible drives) preclear Feb 15, 2021 · For some reason I am struggling with even the simplest of task in Unraid:) After getting loads of errors on my old cache SSD, I have changed it with an "new" one. I'm able to access the machine via SSH and Jul 1, 2021 · Hi I previously had an unraid server up and running and decided to move back to a Windows install (my partner was more comfortable with it). This video is a tutorial about how to preclear a harddrive before adding it to your array. 2 Apr 16, 2021 · First time using unraid so I decided to preclear the two drives I got after seeing it on a video I watched and doing the first pass of the preclear where it writes zeros and after its all done I get this error. I can just assign the drives and it’ll be all good? Jun 30, 2021 · N'Abend zusammen, kurze Fragen, wie wichtig ist es Preclear zu nutzen, wenn man ein neuen unRAID Aufbau startet und ohne Parity Laufwerke durchstartet (die kommen später, wenn alles vom alten Server gespiegelt ist). 1- rc1- GCC7. I am probably about half way through the pre clear cycle, should on Dec 16, 2015 · It's been a while since I've upgraded a drive and this will be the first time since I've upgraded to version 6. Apr 7, 2021 · hey there guys, I just upgraded my parity drive from 10TB to 12TB. Man macht einen Preclear um die Funktion einer Festplatte zu verifizieren. They were All in an Unraid pool previously with no issues with parity checks. 20. But it does not show up to be formatted and does not show up in preclear. Basically, I have found for the bigger drives they take about an hour per TB per pass. I've added a shortened version of this in the clear disk dialog just to give a heads up if the disk is precleared. In Unraid 7, I no longer see the Pre Clear Status? I can't click on the little status icon on where it is in the process. Ich beschäftige mich grade mit dem Preclear neuer Festplatten. Jul 1, 2020 · Hi wondering if anyone has any suggestions I am preclearing all the drives in my array , most of them get speeds of around 40/50MB/s to 130MB/s depending on what they are doing , I have 1 drive however which is going super slow drive model name is : ST2000DM001-1E6164_W1E7DZNH BELOW is my unraid Apr 27, 2011 · Well folks, Here's that poll I was suggesting. May 17, 2015 · Expand I had some of the exact same errors when trying to use the recommended unassigned devices preclear plugin. Unfortunately I shut down the server after this happened, and I had not saved the log. This stat UnRAID preclear disk commands and notes (WD 2TB Green EARS drive) Saturday, 2011. There is no data on the ssd. Am Ende möchte ich diese als UD-Festplatte verwenden. Originally, the preclear script was designed to do one thing: preclear drives in readiness to be added to the array. 1" Sep 14 15:17:58 Tower Feb 27, 2025 · Hey, I just got two new drives and starting a preclear on them. I've already installed one 2TB drive for parity and ready to install this one for data. Anytime I would attempt to preclear (gfjardim - 1. Dec 3 17:21:03 Serverbrain3 emhttpd: Warning: syntax error, unexpected end of file, expecting TC_DOLLAR_CURLY or TC_QUOTED_STRING or '"' in Unknown on line 31 Dec 3 17:21:03 Serverbrain3 emhttpd: in /usr Apr 22, 2021 · TLDR: Is there a guide for install unraid with preclear plugin on a USB, or a similar too for windows? I just got a HDD, and been reading that people run preclear to rule out infant mortality absically. I have been using the enhanced script and erase Oct 2, 2013 · OK, so a ways back there was the various methods for running preclear and various drives. Thanks a lot for the help! Hi guys, I have a recently built a server with the following config: Gigabyte C246M-WU4 Xeon E-2176G 1x Kingston Server Premier DIMM 32GB ECC 2x WD Black 1TB NVMe Cache 2x WD Red 4TB WD40EFAX be quiet! Pure Power 11 FM 550W Ev Feb 10, 2021 · You can go directly to the correct support thread for any of your plugins by clicking on its Support Link on the Plugins page in the Unraid webUI. -- Chris Edited January 1, 2021 by bidmeadgrammar JorgeB 8,786 January 2, 2021 Oct 20, 2021 · I'm preparing for a parity swap, so I've begun by running preclear on a new Western Digital Red Pro 16Tb drive. I have read that 3 cycles should be a good stress test to catch a bad drive. so. May 17, 2015 · ############################################################################################################################ # # # unRAID Server Preclear of disk Jun 26, 2021 · I'm not quiet sure where to place that question. 3. Dabei werden alle Sektoren einer Festplatte erst gelesen, dann mit Nullen beschrieben und anschließend nochmal gelesen. Here's a video tutorial about preclearing your hard drives. After googling the errors some have suggested it could be a bad cable. I'm wondering why this might be, perhaps starting at the edge of the disk and moving inwards to the centre? Io/s and throughput almost halved towards the end. I did preclear that device. I have a WD 2 TB drive that I want to use for data. If you watch each step of the pre clear, one of the steps near the end is that it signs a signature onto the drive that unraid sees as "cleared" and will skip the clearing step when you add it to the array permalink embed save parent report reply I am still on the trial version of unRAID 6. April 11, 2021 3,148 replies May 22, 2021 · Note: Your post will require moderator approval before it will be visible. Mar 15, 2021 · Do you guys use the preclar plugin, and if so, how many passes do you run before adding a new drive to the array? In my Unraid I currently use six 10TB WB My Book, and the seventh is currently preclearing. But I May 13, 2025 · I think you used to be able to stick a drive in a usb slot format it and preclear it. Can I assume it's past the first part of the bathtub curve? Is it worth the time to preclear? I still Forums - Unraid Forums - Unraid I've cleared both 16TB and 18TB drives in the last week, they take about 15-20 hours PER pre-clear pass, This means if you are doing a pre-read, clear and post-read they will take three times that amount. Nov 28, 2021 · Although in theory reallocated sectors are not always a problem I would be concerned if: there were more than a small number. I want to format it but this seems to be a rather complicated task. Just wondering what the point of preclear is if UNRAID does it anyway? Apr 13, 2021 · Hello and thanks in advance for your time. It is currently 70% the way through the first pre-read phase (15 hours to this point overnight). 0+ It is highly advised to uninstall this plugin (and Statistics Sender if installed) and switch to the Unassigned Devices Preclear plugin (or Binhex-Preclear if you prefer a command line interface) Mar 15, 2021 · UnRAID version 6. ich überlege diesen abzubrechen und Pre Sep 14, 2021 · I started converting my discs from reiserfs to xfs, and decided to preclear a drive after removing from the array. Most notably, WD drives with a jumper or without, with -A and without -A It has been some time and I know a lot has changed so before I went assuming things I wanted to confirm the commands I wanted to run. However, before assigning the old 10TB parity drive to the array, i thought I'll clear it just to be safe. 03 version of preclear. Oct 5, 2020 · I have a question on UDMA CRC error count. I want to preclear it with Joe's script, but just want to enquire about the best / fastest method. I've just completed a preclear on a couple of older disks (sdm and sdl) and while both show passed, one (sdm) noted the following in the SMART report. Here's the catch: I have all SATA ports used by my data drives. 9. The Jul 16, 2015 · Hey folks, I am out of space on the unRAID box so I picked up a 3TB Seagate NAS drive. I've seen plenty of threads about it but some quite old and mentioning gfjardim has to fix up the plugin before it can be used. When I tried the same in windows, it worked. You need to let that complete if you want the drive to be successf Jun 30, 2018 · UnRAID detects it but when I start the array it will say " Unmountable: Unsupported partition layout" on that particular drive. 2 Hi all I have an unraid server that consists of the following: Motherboard: Asus P5Q Premium CPU : Intel Core 2 Duo E7400 Memory 2GB Parity Disk: Seagate Ironwolf Pro 4TB Disk 1: Seagate Ironwolf Pro 4TB Cache Drive: Crucial MX500 1TB I just purchased an additional WD Red Pr Jan 24, 2021 · 9 hours ago, Genesius10 said: i have just changed cache drive. So when I add them to the array they mount as separate disks. 27 hr preclear ran and passed. There are 3 years reported on the drives. I've now dec Sep 15, 2021 · I'm setting up a new Unraid box. or bjp999 scripts; Ease of use: with a few clicks you can start a clear session on yo Jan 21, 2016 · Dec 3 17:21:03 Serverbrain3 unassigned. I'm not sure if I need jumpers or not. Dec 6, 2021 · Unraid version: 6. All are brand new so I like the fact of s Jan 18, 2021 · Not mandatory anymore? Cool! Been a while since I made a new system. If you don't preclear the disk then unRAID will take your array offline (possibly for very many hours depending on size) while it clears the disk. preclear_disk_Z1F1HFN1_16238. I bought a wd red to use as a parity drive and am upgrading the others as well. I usually prefer to receive an email at the end of every step and cycle. This was done for safety and yes you have to remove the partitions before a disk can be precleared. I tried reinstalling the Preclear plugin a number of times only SO I have finally gotten an unraid server, and am just looking for some details on preclearing disks. 0. After preclear I just want to put it on a self until I need it or a drive fails. I've attached Feb 22, 2021 · Hallo, ich hab im Wiki versucht was zu finden doch ich bin nicht so richtig fündig geworden wie ich dies machen kann/soll Wird es genauso gemacht wie bei den Daten Disks? Also Array stoppen, Festplatte aushängen, ausschalten, platte tauschen, hochfahren, platte einhängen, array starten? danke und Jul 10, 2018 · Hey i just got a new WD Red 6 tb drive and is about to install it and was wondering if it is recommended to preclear it before use and if so how should I do it? It seems that the support of the preclear plugin is broken in recent updates if I shouldn’t preclear does there exist a plug-in I can us Jun 10, 2021 · I have attached the log for the pre clear, not sure why its failed. It's also a parser for Joe L. 's excellent Preclear Disk Script, which also includes a fast post-read verify option, courtesy of bjp999. How long does it take to preclear a 4 TB disk? Can I preclear 5 disks in the same time that it takes to preclear 1 disk? Is 3 preclear runs on a new disk neccessary, or can I get away with 1 run? Sometimes I can preclear a drive in a temporary system then add it to an array and it will see the "clear" signature on the drive, other times it doesn't see that signature and immediately starts the automatic clear routine. Now I am hearing I needed to preclear the drive. I bought a pro license and have been upgrading drives and looking in to upgrading the CPU. diskinfo[9412]: SIGHUP Jan 24, 2021 · I have a 6tb WD red drive (WD60EFRX) that's acting up. Is there anything else I can do to check to see if it's still running on a background thread somewhere, or do I just presume it managed to die on me and restart it from scratch? preclear_binhex. Bei erfolgsmeldung is Sep 13, 2019 · Elapsed Time: 38:46:05 ========================================================================1. The reason we wanted to preclear the drives up front is because doing this using Unraid used to cause the entire array to be inaccessible until the preclear had finished, which can take many hours. Mar 3, 2016 · I am currently doing a pre clear on a Seagate 8TB disk that will replace my current 5TB parity disk. Put it into unassigned and ran 1 preclear. I remember the preclear process taking quite a bit of time to complete so I thought that since there is now an easy way to mount a USB drive that Feb 27, 2022 · The UD Preclear won't allow preclearing just any unassigned disk. Apr 6, 2023 · Hallo zusammen, ich hab da mal eine Anfängerfrage zum Plugin "UD Preclear". I just started my unraid server and began by pre-clearing 4 drives (2 - 8tb and 2- 4tb) for two cycles. i unassigned one drive and assigned the new drive. preclear_binhex. And trust me, you want to run the preclear, wait the 24h and not be upset about yourself rather than having to RMA the disk and run a stability-degraded array the whole time. Before I started the array I choose btrfs as FS, clicked apply and Aug 1, 2014 · Not going to happen any time soon. Is it a Preclear, Unassigned Devices or Unraid problem? I did attach an USB-Device to my Unraid Server 6. It's not really necessary any longer with the latest versions of Unraid, and there are a lot of higher priorities than a native preclear. I see that it's a UnRaid plugin, so i was search to see how to install that on a USB, I as abl May 10, 2021 · I took this drive out of my array, as it was suspect. After the successful preclear the Format button appeared. What's the situation at the moment, am I safe to use the plugin with the latest version of unraid, or should I just use Jan 13, 2011 · I just set up my first unraid build and build it using a EARS drive with the jumper. The 5 steps all show Success. Oct 16, 2021 · i got some second hand drives, they were pre cleared successfully, i put assigned them to the next available slots and they started to rpe clear again so i left it to finish, after that they were showing in the array but they say unmountable, they were formatted with XFS, there is nothing on them Jun 6, 2021 · New unRaid user here, just getting everything set up. devices: Disk with serial 'KINGSTON_SA2000M8500G_50026B728269650F', mountpoint 'KINGSTON_SA2000M8500G_50026B728269650F-part1' is not set to auto mount. The pre read, and clear went fine. Issues with drive recognition seem to have fixed themselves. " I also saw that it was updated on April 11, 2021 The problem with this is that your Array won't start until that process is done leaving you with a stopped array/dockers etc until that process Feb 27, 2022 · Jul 04 20:45:38 preclear_disk_<REDACTED4>_7253: Zeroing: dd output: 10490507+0 records out Jul 04 20:45:38 preclear_disk_<REDACTED4>_7253: Zeroing: dd output: 22000187736064 bytes (22 TB, 20 TiB) copied, 98093. It is preclear_binhex. Running the format destroys the clear status which is why unRaid is running a ‘clear’ (not a pre-clear) on the drive when you add it to the array. The smart status shows: ATTRIBUTE INITIAL CYCLE 1 STATUS # # Reallocated_Sector_Ct 0 0 - # # Power_On_Hours 1767 1776 Up 9 # # Runtime_Bad_Block 5 5 - # # End-to-End_Erro Dec 28, 2020 · 15 hours ago, lyqalex said: 需要用hba卡连接sas硬盘,就插上测试。不插是因为hba也有坏的可能,最简配置只是利于发现故障点,如刚开始2个组件可以运行,然后发现正常的,就2+1个组件测试,2+2、2+3、2+4等等接着测试。。。。。。也可以刚开始把怀疑的件排除,直接测试是否正常,不正常再进行前面简单 Sep 2, 2021 · I've used just desktop drives till now but this week I decided to start using unRAID more seriously. Just know, the listed CLI examples aren’t correct. How do I clear all my drivers (I don't need data from them), add them all to a new array and start everything from scratch? thanks Jan 5, 2023 · I recently bought 5 drives (14TB Seagate Exos x14) used from Ebay to add to my array. I'm attempting to format the drive but unraid will not let me. I seperated my ssd in my cache pool and placed one in unassigned devices. Mar 7, 2025 · If you watch each step of the pre clear, one of the steps near the end is that it signs a signature onto the drive that unraid sees as "cleared" and will skip the clearing step when you add it to the array Much older versions of Unraid would take the array offline when clearing a disk, so preclear was created to clear the disk before (pre) adding it to a new slot. Genau hierfür ist das Plugin ja gedacht. On a new drive I would expect 0 the number was not stable and kept increasing since you say this is a new drive I would be looking to RMA it. I'm running Preclear Disk version 2021. I don’t actually want to use the drive. This is the second part of a series of videos all about Unraid 6. When Tried moving USB port and rebooting, but made no difference. The first time I did this I used the "erase and clear the disk" setting, but it takes an extremely long time. I've just replaced it as a parity drive and it has from time to time given errors during parity check. The other drives in the system are 2 2TB WD Red's and a 250GB Samsung Evo SSD. Next day I added it to the array and now UNRAID is telling me it's clearing. It started fine but the status has been 'starting' for about 30 minutes. Which of these is recommended? I have read three clear passes is recommended. Is this a big deal if the drive is new. The new UD Preclear handles pre-clearing disks nicely and is more native to Unraid than the earlier versions of preclear. Added some more cache and Mar 7, 2025 · I dont think that's how it works. Popped it into an external USB case and tried to mount it with Unnasigned Devices and this is Sep 23, 2021 · Just purchased a new 14TB WD Element drive and I've read others preclear before shucking. 03. I always use preclear to stress test drives, but I've found that even though the preclear signature is present and verified on the drive, about half the time the system still has to run the clearing process when adding to the array. Is it possible to abort a preclear process early and still keep it recognised as though preclear is complete? Feb 3, 2018 · New Newbie here, I have read the previous comments and I am stumped as far as how to proceed. I read somewhere that you trueSo I have an unraid system that works great. 22) the drive Mar 16, 2021 · You must NOT format the drive after running preclear before adding it to the array. In the Joe L script there's a choice for Fast Post Read Verify, is this useful to speed up the process The best way to ensure you dont have a drive that will fail within the first days is either a full format, sector by sector, or, in case of UnRaid, the pre-clear. After half an hour, th Sep 13, 2019 · ps -ef | grep pre gives me one result - itself, so it appears to no longer be running. 2 : AMD 3400G, ASrock B550 Steel legend, 550W PSU, SilverStone ECS06 with ASMedia1166, 32GB Kingston USB3. I do two preclear passes before I shuck the drive, and then I do one pass after I installed May 17, 2015 · Mar 7 17:08:17 UnRAID preclear_disk_9LG7SS1A[11901]: Zeroing: progress - 90% zeroed @ 115 MB/s Mar 7 20:40:42 UnRAID preclear_disk_9LG7SS1A[11901]: Pause (smartctl run time: 25s) Mar 7 20:40:42 UnRAID preclear_disk_9LG7SS1A[11901]: Paused Mar 7 20:40:54 UnRAID preclear_disk_9LG7SS1A[11901]: killing smartctl with pid 24018 - probably stalled Mar 7 20:41:03 UnRAID rc. I am looking for some folks that are planning to do some preclears this weekend, optimally someone planning to preclear 2 iden Sep 27, 2014 · As disksizes increase the time to preclear a disk increases too. What I'm trying to do is replace an existing 1TB drive with a 3TB drive. 01. can I format a precleared disk with Unraid signature on a Windows system without removing that signature first? Thanks in ad Apr 6, 2021 · Tried moving USB port and rebooting, but made no difference. Leave a comment Q1. 8. I am looking to add some more storage, but I am getting a little confused as to the process. I know they need to be formatted, and I'm pretty sure my ordering is correct, but wouldn't formatting it after I preclear erase the signature? We would like to show you a description here but the site won’t allow us. My question would b Feb 24, 2016 · In addition to its often used testing function, preclear has another and even more primary purpose. Feb 12, 2021 · I increased the size of my disks to gain more storage, except for one one TB device, which I left remaining in place. What is pre-clearing doing past the standard format? Additional tests? Tests specific to unRAID? Mar 25, 2014 · I have developed a way to do the post-read and verify step of preclear dramatically faster than the current method (more than twice as fast). 1 and 2021. Didn't Sep 30, 2021 · tl;dr: Replaced the mainboard, issue fixed. WD 3TB NAS Red drive. I put the drive in a desktop computer and it formatted just fine. 2 and all plugins are updated. So far I'm now at ~43% post read I'm thinking it's either the RAM or some sort of issue with the previously installed Preclear plugin (eg. g. 2 with latest releases attached. Formatting essentially gives them a file system for unraid to work with but removes the signature. I just tried doing the same so I don't ruin the warranty in case it's a bad drive but when I start it, the script just gets stuck on Starting I'm on unraid 6. I'm currently doing a pre-clear of two drives and a parity check. Am I missing something? Sep 13, 2024 · 6 hours ago, Digital Shamans said: My question is: Will the information in the disk' signature about preclear already being done (and maybe even info about bad sectors) be lost when changing file system? No Nov 28, 2018 · Just checking on the current status of preclear. Adding disks Clear v Pre-Clear Under Unraid a 'Clear disk is one that has been completely filled with zeroes and contains a special signature to say that it is in this state. 16b, Unassigned Devices Plus version 2021. sh. My SPECS CPU - Intel 11th Gen C Oct 13, 2021 · If a disk is precleared with the plugin and the "Unraid signature" is applied to the disk, can I put this disk in other Operating Systems as well without any problems? E. I tried running preclear on a new disk and it craps out with the following errors in the log: Mar 15 15:28:51 Nov 22, 2021 · I have recently purchased a new Seagate IronWolf 10TB drive due to my server running low on storage. ex. I load up the Preclear plugin and on the rightmost column Preclear status for both drives shows up as "Disk mounted" so I click "Start Multiple Sessions. I noticed the drive seems to be making a ticking noise once a second, almost like a wall Feb 15, 2021 · For some reason I am struggling with even the simplest of task in Unraid:) After getting loads of errors on my old cache SSD, I have changed it with an "new" one. I realize this is a question that comes down to personal preference however I am interested in what people have to say about it. It would be my recommendation to use the Binhex docker preclear. Da es für mich aber das erste Sep 15, 2022 · Sep 14 15:17:58 Tower kernel: BUG: Bad page map in process preclear_disk. Since i can't format the drive, i can Jul 23, 2017 · Hi All, So just started my first unRAID build, added my first WD 3TB Red, downloaded the Preclear Disks plugin and started it off, the first Pre-read has completed after 7 hours, moved onto the Zeroing, and at 97% has just paused and I can't find anyway to unpause it and get it to continue. (I just removed the power and data cables. Feb 27, 2022 · We can't always assume that a disk being cleared is a precleared disk. Then during the post read the process crashed. 30 Disk size: 6001175126016 Disk blocks: 1465130646 Blocks (512 bytes): 11721045168 Block size: 4096 Start sector: 0 Zeroing: zeroing the disk started 1 of 5 retries Mar 22, 2020 · Hi there, I've read a bit about pre-clearing drives before using them in the array, I want to make sure the drive doesn't have manufacturing defects and be confident it won't die in its first month. I'm running preclear on a few drives and one is currently at 97% (pre-read) but going as slow as 1mbps every so often, Mar 13, 2021 · Two 4TB drives in a DS4246 did fine on preclear but then rebuilding parity on to both (parity 2) failed with 800+ and 1200+ errors. I voted for 1 cycle with failed drives. I hope some people find it useful How and why to PreClear your hard drives before adding to your array Jun 10, 2023 · So delivery update new drive is due today now so looking to replace my current parity drive with it, all my drives came out of my truenas set up and were tested but this will be my first new drive for unraid so hopefully someone can help on what to do to swap parity drives Preclear Disks This plugin is an utiliity to test and clear disk drives prior to add them to Unraid's array, or to erase them prior to disposal. This series will take you through everything that you need to know to get a server up an May 15, 2021 · I'm using the latest version of unraid 6. I saw one thread say you need to pre-clear your drives beforehand to ensure they are stable and also avoid downtime on the machine, which sounds great to me and I would rather avoid my machine being down for multiple hours while I add 8tb drives. I've switched cable twitch and also used another sata port on the mo Feb 11, 2021 · Recently jumped hard on to the UNRAID bandwagon and I'm loving it so far, learnt a lot since first starting to use it, I've run in to an issue and was hoping someone could help. txt Dec 19, 2021 · Hey All Been a while, I retired my HP GEN8 and with the sale of that machine I purchased and updated to a whole new system which I just booted it up last night for the first time, using a fresh install of unraid on the same USB so I could tie my licence to it easy. I'm very curious to see the results! And for those of you who aren't running preclear. 03, Unassigned Devices version 2021. D. Which Preclear script and settings to use? I installed the Preclear plugin from Community Apps, and it has two options for script - gfjardim 1. Is there some Sep 15, 2021 · Hi All, Have an issue I was hoping to get assistance with. x so I thought I'd ask a question first. Jul 29, 2021 · In the process of building my first Unraid server. Because nothing else seemed to function, I formatted the drive in Windows and then format it in gparted as an xfs drive. Mar 1, 2025 · Hi All Just had a preclear fail with this in the log. You will also learn Dec 9, 2016 · Hi, Guys. Hello there! I just bought a 14TB drive I shucked and am trying to get it to pre-clear externally via USB before swapping it out as the parity drive. I'm not clear how you would spin down a DOM but this button does nothing. So far, the 2 Seagates keep failing the "verifying if disk is zeroed" within 10 minutes of starting. However, the pre-clear seems to just stick at 'starting'. A few of the disks I'm using are from an old Unraid setup. Nov 17, 2011 · Can someone tell me what pre-clearing does? Based on the description I've read, it formats the drive & flags it to tell unRAID it's ready to go. So if someone Dec 15, 2021 · I put a new Seagate Ironwold Pro drive into my server today and ran preclear. 1. nijh pjtvhtir frvxo dalovj xrre cnrth lzvfp kbnvlgg fcvb iezr pqeoii sdvye ghku wyep wawtgl