Unraid read check ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. Surprisingly, once all the moves were complete, the available disk space did not return. x build I had 2x the speed. For both my unRAID boxes it is a monthly check but I explicitly do NOT write corrections to parity. As per instructions in the wiki, I ran non-correcting parity check. Dann auf die Disk klicken und eine Reparatur versuchen (scrub). 1 MB/sec. This is the second time since August this has happened. I have since completed a SMART re I started getting read errors on my parity disk during a health report. A Read Check is also the type of check started if you have disabled drives present and the number of disabled drives is larger than the number of parity drives. Historically, Unraid has used the "read/modify/write" method to update parity and to keep parity correct for all data drives. The next day I almost immediately noticed the crippling read/write speeds that I was getting. There's no other read/write activity that I can see, and in fact currently only two of the other drives are still spun up. Locally on the server using Krusader transferring from cache to the array, it starts out Jan 30 20:18:06 unraid emhttpd: read SMART /dev/sde ** Press ANY KEY to close this window ** 20 hours ago, mgutt said: Jedenfalls wäre der erste Schritt ein Backup zu machen. I was getting some UDMA CRC errors on a couple of disks but it doesn't seem to have occurred in a while and not sure if it's related. If you are using a cache drive, same as above, speed of your cache drive, expect array to be at 50% performance during a 没有阵列校验盘的情况下,硬盘健康检测就是read-check,类似于HDTUNE等软件功能。如图这种情况,既然是外接硬盘,应该接其他电脑看是否存在相同问题,如果仍然有问题,应检查线缆、硬盘盒有否故障,能拿硬盘出来检测最好。 Unraid was performing a parity check and it kept saying temp to high pause parity. I read about that I should test the drives before trust my data on them. Pug. 2 Port Controllers SIL 3132 PCIe gen1 x1 (250MB/s) There are numerous reasons other than a faulty drive that can cause parity read errors. I have a 16TB pre-cleared disk on hand to replace it. Its acting like its doing a parity check for hours and hours twice this week. 5 with 8x 4TB data disk and 1x 4TB parity disk My Parity checks with 6 4TB HGST drives was easily under 9 hours. So I guess the drive has been bad for many months already? The last time I did a parity check was Jan 2018 and with error-correcting TURNED ON (I didn't know it's better to turn it off). Der The other day after I did a parity check with non-correcting turned off, UNRAID found the Disk 2 with read errors. The unraid GUI is showing the disk has 383 read errors. Is this normal on initial check? Progress is still being made but would expect faster A few days ago the parity disk got disabled by Unraid because unrecoverable errors. I BELIEVE that all of these read 'errors' were in fact "recoverable" - i. So I did a filesystem check for reiserfs. 7, the unraid driver maintained the read/write counts based on read/write sent down to the disk drivers. If file checksums all pass, and parity fails, parity bit is wrong, so correct it. I've also got some older, slower drives (SATA 2 Seagate 2Tb drive with over 8y up time) in use and a crappy SATA card that I will be swapping out for a A parity check from the drive's perspective is nothing more than a sequential read of all of the data on the disk, for all disks at the same time. Checked the syslog, and saw some 'handle_stripe read errors'. It allows you to tune the parity check schedule. Removed marvel card, rebuild disk 3 from parity, but had lots of read errors from disk 2 again (August 20), runraid showed health as "green" After restart filesystem of disk 1 and 3 was corrupted. 5 and I had a drive get checked with a red x this week. After about 15h of rebuild the Server is back up and running as usual. When I make an image of a HDD and send it to unraid, it typically pegs around 90-150MB/s. Machine hasn't been rebooted, I've not done anything (like checking cables), scrutiny reports no errors on the disabled disk, and unraid is currently half way through a "Read-check". I read some similar posts which suggested a restart would resolve this, but no such luck. After that ill try starting the array normally. They could not perform any SMART tests. Click onthe Maintab and select the devices to assign to slots for parity,data, and cache disks. Start new topic; Recommended Posts. Disk 2 doesn't complete a extended smart check due to read errors parity check shows now 27729 errors (finished last night, August 22nd) There are reasons for running the check even if you do not agree with them as without valid parity the ability to recover at a later date from a drive failure is compromised. It will complete succesfully but then a few hrs later, my unraid server is offline and not accessible through the ip address or //tower address. From what I've read, my understanding is that the SSD cache only acts as a write cache, unless it's data that has been recently written there but hasn't been moved by the Mover yet. Any cause for concern ? Need HDD replacement ? Attached is the Diagnostics ZIP for your reference. You will need to change hda to match the disk you want to check. I have att Jump to content Stay informed about all things Unraid by signing up for our monthly newsletter. W The default for most file system formats (XFS and ReiserFS) is a read-only check of the file system, with no changes made to the drive. New - DARK - Invision (Default) This will be a file named Pro. tower-diagnostics-20240715-1936. Hi guys. Share Add a Comment if no freed blocks exist then the But on every parity check (timed for every month) I get read errors on Disk1 and Disk2. Now I do have dual parity, and it is an 8TB parity check so it takes quite a while. But beca My array is about 75% full, and it gets plenty of read/write action from the local network/backups and Plex. Hi all, Diagnostics zip attached. When you have a parity disk installed you will instead get a parity check. Link to comment You could run a read-only check after a hard reboot, have it find some sync errors, run a correcting check, and ONLY THEN a I have an array with 5 data disks and two parity disks. Last night 12:30ish, monthly parity check launched. Help - Read-Check will take 176 Days to complete. It had found 18 errors at the time. I am not sure how this differs from the regular Parity Check and also if a Parity Check is still going to be performed after the Read-Check. Running the test The default for most file system formats (XFS and ReiserFS) is a read-only check of the file system, with no changes made to the drive. (probably the cable) Yesterday the scheduled parity check started, which ran as a read-check because of the above. One drive is reporting 6400 “raw read errors” during the parity check that’s not yet completed Should I let the parity check complete or just stop it and remove the drive and rebuild the array? I have used the Tweak plugins, parity check tuning, docker safe perms, and other type plugins to help. please help. I am having a very very peculiar issue where usually overnight but also sometimes throughout the day, something is continually reading and writing to the array (usually Disk2). Cookies; Powered by Invision Community. Unfortunately, I am out of slots on this server, so your solution, while sounding While doing parity checks is needed to ensure data integrity, every time you do it you are straining them because you are reading (and writing if there are errors) the entire 8TB disk. 8. I've started unmenu and it looks like there's all sorts of read errors with my disk2. Yesterday I noticed, that one of the disks reported 32 read errors. Basically I have started to do Chia plotting, and found a way to get it running via docker, but I want to monitor the disk I/O to see if its running faster than in a i am trying to disagnose what is causing my unraid to keep restarting after a parity check. Balance is failing and the pool going read-only because there's no unallocated space in one of the devices, easiest way out of this would be to backup and re-format the pool, if for some reason that's not practical I can give step by step instructions to try and fix the current pool, but it's an involved process and it won't work if a device keeps dropping, so you decide. Erstmal abgebroch A parity check looks at all of the data in the complete array. If you have cache drives The parity check on my unraid machine takes more than 36h to run, so i am looking for an early warning system for problems. txt My reads are over 4 million in 6 days. Average speed: 157. I also replaced the SATA cable and used another SATA port While running a parity check, I was faced with 128 read errors on one of the disks, and 22 sync errors. i have got the syslog. Altho currently at 1. I had just powered the unit on after a move, so I checked and it looks like the drive in question had become unsecured. I have two 500GB SSD cache drives as well as two 12TB HDD for the array. I didn't expect it to build a parity at the same time as read checking TLDR: why is my parity check speed down to 40 from 100+ ranges? Had 8 data disks (12tb and 6tb) previously. Over This is just a thought I had this morning: It would be nice if Unraid would make a post on here or a page on the official docs with a walkthrough on how to best use the diagnostics zip folder so that we can troubleshoot ourselves a bit before posting them up on here. At this moment, I can't remember if it's OK to run a Parity Check with a currently failing drive. I've been a long time UnRaid user. Showing 2048 errors Disk2 and doing a read check. I check its because READ SMART KEEPS DISKS SPIN UP. Hey all, I'm looking for a way to view the current read/writes and MB/s to a specific Unassigned Device. btrfs has readahead; I haven't dug into the implementation in unRAID. ST8000NE001-2M7101_WSDA5J92-20230803-0311. You can check the results when done using the GUI, or post new diags. thanks tower-diagnostics-2 Now on 90% of checking having 10 drives and 2 is already spin down, Is this a normal behavior doesn't it supposed to constantly read all drives? Jump to content The Summer Sale is on! 😎 Save BIG on Unraid Unleashed Now × Legacy Support (unRAID 5 and Older) General Support (V5 and Older) REISERFS Read Errors in syslog during Parity check REISERFS Read Errors in syslog during Parity check. I have extended the timeout under disk settings to a painfully long 270 sec, but it still claims an unclean shutdown and starts that shooting parity check. Since like 2012 ish. About an hour before it finished I received an email from my server about a disk (disk sdi, my parity disk) with read errors. 1 MB/s OK 0 2017-07-16, 21:43:09 19 hr, 58 mi The status still reads "parity check in progress", even after 5 minutes and multiple clicks on "cancel". Everything else working and seems OK. My unraid server is doing a parity check due to an unclean shutdown from power loss. That's the danger with silent errors on reiserfsck 3. Members; The permissions don't mix and owner has priority over group has priority over 'all'. So I decided to run a parity check. Today i got another warning of read-errors. Main tab shows disk 10 with 19 errors. It says its busy, but i cant stop it. Disconnect/disable unused/required hardware for unraid to function and try a parity check while monitoring system usage/load there is a bottleneck that is preventing disk1 rebuild and Hi all, I'm considering building a NAS / Docker Server and naturally my research led me here. I have 5x 22TB, 1 is currently unassigned because it will be used as a parity drive. Added 16 4tb drives and everything seemed fine, but when monthly parity check came it took 3. Als unraid wieder hochgefahren war, hat der Parity Check begonnen, was ebenfalls dazu geführt hat Powertop [Support auf Deutsch] Powertop is an Intel tool (yes, works for AMD, too) to check power consumption states of sata, pcie, usb, etc devices. local" and can't access shares on Windows Unraid boots up and i'm able to get into the web interface via the tower's ip address. Pjhal. unraid and command line noob - Will happily learn and take guidance so may need ELI5 a few of my dockers started acting strange today - Restarted the containers and was getting execution failed errors - So rebooted the server and all the dockers looked like they came back up. Hi all, A quick question, my server has been running just fine and I have it set to run a parity check on the 1st of each month, this normally runs fine but this time there is a problem. tuning. 0 with single parity, there's one curious exception, a read check (no parity) with 8 or 12 devices where v6. 2) Kevek79. Stay informed about all things Unraid by signing up for our monthly newsletter. But mine seems to do it just fine. During that parity check one disk showed 128 read errors. I secured it and made sure it was plugged in. Basically they are throwing I/O read errors. :) Members Online [CTD-prone Neueinsteiger bräuchte mal Hilfe. 5 days instead of about 1. Only the last few months have I noticed that my server is pretty much unusable during parity checks. NOTHING failed or flaked out. It formatted no problem, but the option to rebuild is gone. A normal disk (not during parity check) might see 100GB I was attempting to move things from a seeding folder (cache) to my array for storing/streaming. 1812. e. I have swap the SAS cables out same issue. 27 Will read-only check consistency of the filesystem on /dev/md2 Will put log info to 'stdout' bread: Cannot read the block (943196360): (Invalid argument). 11 version whenever that will come out tho. However, all the disks in the array were 8 TB at that point and my only replacements are 12 TB, so a parity swap was needed. Additionally the drives seems to bring themselves into an undefined state which results in millions of reads and writes - due to the GUI (see Screenshot) - constantly counting up. /user to /user then suddenly I started getting notifications on my dashboard Started initial read check on Sunday and it says it won't be finished until thrs. We ask that you please take a minute to read through the rules and check out the resources provided before creating a post, especially if you . Thanks syslog. But when i check the temp of the parity disk it wasnt too high. Could something be triggering a complete read of the file system or something? Its only a 7tb cluster, and its 66% full, with the fullest drive being 75%. If the file system is ReiserFS , then the options box will be blank initially, which implies the - I'm trying the trial on an 11TB setup with no parity and after formatting, I did a read-check to see if any errors were present and its telling me its going to take 5 days to finish. Now I'm more than 50% of the way through the parity check (8. This is the smart data form the diagnostic file. You will see a two line report with various numbers and timings, but the only one you are interested in is the very It occurred to me that in such a case I could allow a partial read-check rather than a parity-check. Subscribe. === START OF INFORMATION SECTION === Vendo I have an 8TB disk which has reported 93 read errors during a (now paused) parity check. Thoroughly read the rules before creating any post. Just when the rebuild was about to begin there was a power outage. Probably you disturbed connections earlier when you were mucking about inside and that is the real cause of these problems. And it just passed without any errors. Let it run and correct the errors if you get errors or smart errors in the future replace the drive or check cable. Reply reply Kelsenellenelvial • For each bit you write, your drives need to read the existing bit, UnRaid calculates what the new parity bit should be, then those new bits are written to the parity and data drives. Feature: I would like unRAID to do a read-check on each disk in the array before starting it, and refuse to start if any errors occur. Members; 124 Author; Posted November 17, 2020. Members; 53 Stay informed about all things Unraid by signing up for our monthly newsletter. The message isn't completely clear as to why it's not read/write. The only way that I've found to fix this is to fully restart the server. The check suggested that a reiserfs --rebuild-tree be run. unRAID won't stop the rebuild when there are read errors on one disk while rebuilding another, so at least some or most data is recovered, but the rebuilt disk will have some (or a lot) of corrupt files, if you have checksums you can just check which ones are corrupt, if not, just by testing them, and in most cases it can be difficult, e. (pre-read, zero, and post-read), not realizing how long the reads would take. New - DARK - Invision (Default) New - LIGHT - Invision . So each time you read a file it is checked agaisnt the checksum. The options box may already have default options in it, for a read-only check of the file system. The Unraid OS->Manual section covers most aspects of After backing up my cache drive to the array, restoring it back to the cache, and adding the new drive, I decided to kick off a parity check (there were some issues with mover hanging on the docker folders of the cache drive) Read speeds around the 1TB mark for the parity check are already down to ~33-40MB/s This caused my Unraid server to freeze with all my CPU cores locked at 100%, and this wasn't ending so I had to shut down my server manually. New drives should hopefully get here soon. 858564] mce: [Hardware Error]: Machine check events logged [241831. I replaced that cable but one of the drives is still throwing read errors. We ask that you please take a minute to read through the rules and check out the resources provided before creating a post, especially if you are new here. When that sector is WRITTEN, the disk will do a final assessment, and if the sector is found to be bad or marginal, the drive will map a spare sector into that spot - making that spot unusable. Repared both. And says it's disabled. I have mine only run between 2 and 6 am - once it hits 6 it will pause until the next day. Write cache is far simpler the implement. Surely confirming the cancellation should either instantly stop the parity check, or change "parity check in progress" to "stopping parity check", preferably with some sort of estimate as to how long it will take? Help - Read-Check will take 176 Days to complete. Currently running unraid version 6. Seems to have started after i plugged in a ssd for cache drive and lately tho the parity check says its speed of 1. Parity check still running and shows sync errors detected as zero. Now, that said, you should look into the Parity Check Tuning plugin in the unRaid app store. I am attaching my diagnostics. I grabbed the diagnostic file then shut down the server to make sure all the cables where seated correctly. That way I can see that hey, before I jumped to this 6. 44 TB read), and looking at the Main tab on the GUI only the 16TB drive is being read from. 3, I had the same issue for the last few days, a "failed parsing crontab" log alternating between resume I've previously been using unRAID for a few months using four drives, two 120 GB SSD cache drives(1 data 1 parity) and two 5TB array drives (1 data 1 parity). 8MB/s and take 180 days to complete. 2 Stunden über 160 Fehler korrigiert hatte. In principle this involves reading a sector of every data drive, calculating what should be on the Read check like the name implies only reads the data disks, it will report any read errors. Should I be concerned and copy all my data to another disk? Should I RMA this drive ASAP? I have attached my SM Help - Read-Check will take 176 Days to complete. For more help, click the Help button in the upper right. I looked at Fix Common Problems, and I'm seeing "Unable to write to Cache - Drive mounted read-only or completely full. That's what we have in unRAID by way of the cache volume(s) and mover facility. I also tried a Parity check, which had no errors and a file system check on each of the drives in my array, each of which returned zero errors. 241831. zip Edited July Just noticed my latest parity check identified a large number of errors. The parity check did h Hi I am new to unraid but finished with my first build and want to start now. 11 The most important part of it to me is that it checksums everything you put on ZFS. write at full speed but I have found my limitation is the CPU itself and the lack of a newer microcode that the parity check service uses. the disk can not be sleep anymore. Then did another parity check after that and they were all gone. Being an idiot, I misread the instructions on the parity swap proce Just ran a parity check and it reported 128 read errors on my paritydrive (I assume disk0 is parity?) Stay informed about all things Unraid by signing up for our monthly newsletter. Unfortunately I managed to bump the USB stick for the UnRaid OS which caused it to dismount, forcing me to reboot the server after only a couple of hours of the read check. I re-ran the 'dd' test to see if errors were still happening. About 2 hours in i get a warning email about disk errors. My parity drive wasn't working. 3 allowed me to create a disk image of the first disk. Always pick the largest storage device available to act as yourparity device(s). So from checking out the unraid forums and this sub, a lot of people recommend leaving the "write corrections to parity" option unchecked. Now this is sometimes a "common" problem with unraid. Today, I have 130 read errors on a different drive (19). Kevek79. In addition every forum page has a DOCS link at the top and a Documentation link at the bottom. Its not a lot (today 4 on one drive, 22 on the other), OP wants the latter; we don't have that. ip\sharename (#2 of this I was having issues with some un deletable folders on one of my disks. Will put log info to 'stdout' However, Joe did clearly post that having unRAID rebuild the drive (onto the same or a new drive) would not solve the problem. So a file owned by youruser:users with 040 permissions can only be read by all users except youruser. Unfortunately this impacts the speed of read/writes. if there is anything else that I need, please let me know. Assume the number above will be 20% of those during a parity check. The part that is thrown me for 6. Hell, even my mixed 6*4TB+3*8TB Parity Check is half your parity check time. After rebooting, the SMART Raw_Read_Error_Rate had returned to 100 (expected). If I was just replacing a healthy drive for a larger drive, I would usually 1) run a Parity check beforehand, 2) replace the drive with larger drive, 3) let the rebuild process run it's course, then 4) run another Parity Check. 6 MB/s OK 5066 2017-07-21, 16:48:17 6 hr, 39 min, 41 sec Unavailable Canceled 0 2017-07-19, 09:31: I got some read errors during a parity check a couple days ago and decided to replace the bad data disk. Hallo Unraid Freunde, musste heute bei dem Parity-Check einen Read Error der Parity Platte feststellen, nun benötige ich eure Hilfe/Rat was nun zu tun ist. THEN you can download the USB creator (for Mac or Windows as needed); make the flash drive a bootable UnRAID flash drive; and then copy the key file back to the Config folder on the Check Harddrive Speed. (this gets Unraid to ‘forget’ the current assignments for those drives). Or check it out in the app stores TOPICS. I also received a warning mail stating that there were read errors: Event: unRAID array errors Subj Yes, it also affects 6. I have since replaced cables and gotten it down to the point where only 4 drives are throwing errors and those are all on the 1x4 breakaway cable. So I'm wondering what the parity check is doing. everything looks fine till now but when i do real world copy tests it goes weird. But how should I do Read the release notes (search the page for '-rc. Is I stopped the read-check and set the newest disk to xfs. I saw a topic on the unRAID forums with more people having this problem and ended with will be Smart info for drives is a sort of odometer/ check engine light and is pulled directly from the drives built in controller. , a I understand that once I have my parity drives installed, a "Parity check" will be checking the data against the parity data, but without parity, does a "Read check" do anything? I am specifically referring to the button at the bottom of the Main page, where you can also see options like Reboot/Shutdown/Clear Stats and the Start/Stop array I'm currently running a parity check on a dual parity system. All discussions and contributions shared here are purely based But when I went in to check the unraid web interface it had a red X by the parity disk. When I did the parity check to get the read counts I just posted, the system also showed 1 write/disk with 5 writes on the parity disk (which seems right since there are 5 other disks that had one write each). Edited June 16, 2023 by fernandes999 ~# reiserfsck --check /dev/sdl reiserfsck 3. 2% completed) : Following drives overheated: temp temp Aug 2 12:30:02 ThaNekos kernel: mdcmd (910): nocheck PAUSE Power flipped off then on this morning and kicked off a parity check. Full smart check is OK. . Hi All, I am running firmware version 6. 27 Will read-only check consistency of the filesystem on /dev/sdl Will put log info to 'stdout' Do you want to run this program?[N/Yes] (note need to type Yes if you do):Yes Failed to open the device '/dev/sdl': Unknown code er3k 127 Is this a result of the drive being excluded from the array? First timer to Unraid, just finished building the server. Posted October 28, 2020. Should I be running it weekly/monthly/etc? Likewise for the TRIM schedule. It tests every bit of every file in the entire array. Its also show I stopped the read-check and set the newest disk to xfs. Internet Culture (Viral) Is it safe to stop this operation now that the unRAID pre clear signature is 'validated'. Disk 3 XFS check with -n Unraid then reported zero errors. Averagimg about 25 MB/S. 2, but after upgrade 6. Posted October 26, 2021. Duration correlates to speed staying around 40. 3 EMHTTPD: READ SMART KEEPS DISKS SPIN UP. Confused why I am experiencing some issues during a parity check on my primary system in my signature. Disk 3 in specific seems to keep getting I have added parity on my secondary ("testing") unRAID machine some time ago. Just run a BTRFS Check on the Unraid logs do not appear to show when a docker initiates a read on a disk so it always appears that following a spin down the SMART Read wakes the drive up. When I restarted the check UnRaid reported that it had found 394 errors, but after the second check completed, everything was ok IIRC and there are read errors on more devices than the available redundancy unRAID will continue the check without attempting to write those sectors and log "multiple read errors" or something similar. This time it looks like Unraid has pulled the drive and it's now being emulated. What is suggested course of action at this point? tower-diagnostics-20241106-0902. key, Plus. Then I upgraded the network from a basic 1Gb to 10GBe, and now I'm bottlenecked by the HDDs in unraid. Parity for me takes approximately 36 hours. If i reset my tower, the server boots back up but then starts a Cache drive mounted read only . Here is an example of the command: hdparm -tT /dev/hda. If you can easily cancel such checks without manual intervention I can see a lot of users opening themselves up to data loss at a future date without realizing it. I immediately got an email warning that the array had errors: Event: Unraid array errors Subject: Warning [TOWER] - Had a question re errors identified during a parity check. By dikkiedirk December 13, 2012 in General Support (V5 and Older) Start new topic; Recommended Posts. I tried attaching my syslog to this post, but it is now I’ve always wondered why Unraid doesn’t have the option to checksum files, and then checks those along with the parity check. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. Disk11 appears to be in a worse state, so I would try to replace that one first, but since you only have one parity, any read errors on disk8 will likely cause some corruption on the rebuilt disk, unless there's no data on the corresponding sectors, Unraid will officially support it at 6. Parity/Read-Check History Date Duration Speed Status Errors 2017-09-16, 06:00:17 20 hr, 16 sec 111. When I restarted, I started getting these nasty errors. Yesterday I ran i parity-check and I got warnings for read-errors on 2 drives. Failed to open the device '/dev/md2': Unknown code er3k 125 Actually, before that, you should shutdown, check all connections, SATA and power, including splitters. Provided that you have adequate cooling in the server (and that should be a given) then the drive is not under any significant stress during a parity check. Posted February 9, 2021. 9. Ran a second non-correcting parity check, and the parity disk read e The extended test completed with read failure, report which says passed is attached. The server is showing a Read-Check is in progress on the 8Tb drives. What kind of a test would you (bonienl) propose to be able to do this and not look like a non It's a 2TB Samsung drive and I have 108 read errors. Parity check is checking that parity is correct. A pending relocation means that the drive had trouble reading that spot on the disk. The parity check has been running closed to 24 hours and was at 3% completed. By StewLoft August 6, 2022 in General Support. Now that the read check completed successfully - I got a notification about it completing successfully from "Unraid read check" and then about 7 minutes later I got another notidfication that "Parity check Tuning" passed successfully, by my parity still says it is invalid. I put Unraid in maintenance mode and ran a short smart test on Disk 3 it completed with no errors. I removed the 16Gb of RAM, Parity check went back to 110Mb/s My Tower2 had 1x 8Gb of RAM, added 1x stick of 8gb of exactly the same model and brand, was seen properly in bios and UnRaid. I don't remember it being this way before. If you have never built parity, and then do a parity check, then of course you will have a lot of parity errors. I think the answer is "yes", but just want to check in case I mess up something. php: Paused Read-Check (24. It's been 40 days since the last one (and that's when I set up unRAID, so it's both the first and last check). My system is attempting to run a parity check, but the eta is way out there (57 days). Several days ago just after it would have Moved data overnight, disk 5 and Parity 2 had red x's. The array threw a number of read errors on one of the disks. Yes, if the drive returns data, you can depend on it. It will be of particular use to I precleared and have this 6TB WD Red running smoothly for four years already. 858570] mce: [Hardware Error]: Machine check events logged root@NAS-UNRAID:~# mcelog Next to each controller is its maximum theoretical throughput and my results depending on the number of disks connected, result is observed parity/read check speed using a fast SSD only array with Unraid V6 Values in green are the measured controller power consumption with all ports in use. Assigning devices to Unraid is easy! Justremember these guidelines: 1. zip on a smart test. None of my drives are full and I don't know why they would be read-only. 2%. the file move operations that succeeded were all able to read and verify the data eventually. 10. The Cancel and Pause buttons are unresponsive. As always, prior to upgrading, create a backup of your USB flash device: "Main/Flash/Flash Device Settings" - click "Flash Backup". I’m currently in the middle of post-read and curious if I can just stop that and add it When my old server was crapping out and restarting, I was getting disk errors. Ah and from what i read since i have an X cpu i want to use tdie Quote; 3 years later CouchPawTayTow. Im running plex and sonarr. Attached. I was told to add the parity drive after I finished migrating the data from my old NAS, that being said, should/do I need to run Read-Check on the array before migrating data? The parity read-check won't complete without the drive being marked as disabled (I've tried twice). Then i started the array in maintenance mode, now doing a Parity check (read only). hello guys im playing with a test build of unraid beta 5 rc12a with just 2 drives. Quote; Pug. check. It's been running for a couple years without any problems. 2' to see changes from -rc. Hi All, 1 of the disk in my UnRAID server of 8+2 disks encountered read errors while doing a parity check (parity check still in progress at the moment. Quote; Pjhal. when i copy a big file to unraid i get like 40~50M speeds but when i copy the same file to my pc from unraid read speed is 20ish MB/ I have 104 TB and growing of my UnRaid server. 3. 4. Nachdem die Platten alle fast zur Hälfte voll sind hab ich den Parity Check ausgeführt, der nach ca. I tried removing it from the array and readding it, it started a read check, but that just started returning a Not sure if this is a beta issue or more general so will err on side of not being related to beta. I wanted to try it out, before using it on my main unRAID machine. The array it still up so I assume the bad sector was rewritten. I have replaced the drive, even though it was a new drive. My server is having major issues with constant UDMA CRC read errors. Appreciate it greatly for any advice in regar Hi My Unraid has been running flawless for over a year. Posted April 12, 2017. Prior to about 2 weeks ago my parity checks lasted 28 hours on a 14TB. Unraid 6. A quick way to check the cabling is to swap it with another drive and see if the errors follow the drive or the cabling. zip During the monthly parity check, several disks in the array reached temps of 45-48 degrees due to a malfunctioning fan control (manual). The hard driver was can sleep at 6. I have yet to Greetings everyone. Could the paused parity / read check somehow interfere with the rebuild i am trying to achive with the procedure above? Disk disabled during parity check (Unraid 6. 2 to do a read check without parity, and that is a good way to check the devices for anyone running a paritless server, to change the text from parity check to read/parity check and leave the option to schedule it always available independent of the Most likely, you are going to have to repair it on another station, but check the syslog first, for errors related to sda. Halfway through the check I get a notification that there are read errors and Disk 2 is disabled. From the image you have shared, the drives you are running are nearly 6 years old. It's very minimal compared to enterprise storage but its alright. g. I'd appreciate any comments, thoughts, ideas on this. Since upgrading to the newest version my system starts a parity check on every start up. Assuming you do a correcting parity check, you will get those parity errors corrected, so in the end you will have built parity. This basically, pick your slowest drive, this is your read/write half the write speed. Both times has been disk 11. Then added parity 2 back and BOTH it When I check the logs the issue seems to be that the file system has become read only. Attached new Diagnostics. Unraid being a JBOD NAS, the files are stored in a single HDD and spill over as per rules. How can I diagnose what's going on and which drive is at fault? Parity/Read-Check History Date Duration Speed Status Errors 2017-07-23, 12:58:42 21 hr, 50 min, 31 sec 63. I tried rebuilding on the same disk and 1 spare disk which is 100% OK - On all tries same scenario - rebuild speed slowly drops to zero, before reaching one percent, rebuilding stops, for some reason parity read check starts and autpauses at 0. I ran Parity Check many times throughout the years, but yesterday's Parity Check gave me disk read errors. I did a short SMART test and it passed. When the parity computation detects a difference, unRAID doesn't know why there is a difference. key, etc. LateNight. 6. The parity check starts off and then at some point, hits read errors on disk 4: At that point the parity check seems to freeze as the reads and writes no longer increment and the progress on the Array Operation tab stops. Not sure how to read it. Why?: On several occasions, I have ended up with an array To assign devices tothe array and/or cache, first login to the server's webGui. stop the array re-assign the problem drives start the Will read-only check consistency of the filesystem on /dev/md2. The three individual values are made of thee binary Download it again and check the read speed of your SSD in the Unraid WebGUI. Unmemu also shows that these sync errors are getting corrected. Posted November 17, 2020. I just set up my unRaid Server, replacing a Raid 5 of 5x2TB drives (equaled to about 7. If i start a smart check from within unmenu it starts, says ' this could take some time' and it never shows any results must be saved of logged somewhere, but for non linux people even unmenu is too complex. New - DARK This was my first parity check: Duration: 21 hours, 13 minutes, 5 seconds. I have also moved the drive to different slots in the Unraid server and to different physical cables in the physical box. Unfortunately, I am out of slots on this server, so your solution, while sounding much more efficient, isn't going to be an option. Just after the check has begun, one of my drives throws Hello Folks, After a recent non-correcting parity check, noticed some read errors in the parity disk column via the web interface, but no reported parity sync issues. DiskInternals Linux Reader 4. 0 is noticeably faster, all results are consistent on repeat testing (+/- 5MB/s). Added disk 5 back into array and successfully rebuilt. What puzzles me now is, why didn't Unraid throw that disk out? And what happens with the data that couldn't be read? Was ist replaced from the parity disks? Is the data, that co Change Read Check Schedule Change Read Check Schedule. 2 is faster with dual parity than v6. By 1812 April 12, 2017 in General Support. Can I just cancel the parity check and replace the 8TB disk with the larger one? (My dual parity drives are 16TB). Or if one/some of the admins on here who are constantly looking at other people's diagnostics Would be nice if the unraid version is shown on the history screen. After this I ran a read check of all disks. 1). So today I decided to run a parity check. Monthly parity check kicked off this morning. Stopped array, ran long self-tests and both passed. 7. The array will start, a read check will occur. CouchPawTayTow. Some time way back, pre-4. For now unraid can use it via the plugin but you'll have to use the CLI to create and manage it until 6. It isn't possible to know which of all the disks that have read out a value that doesn't agree with the content of all the other drives. The sub is NOT official. This way, it is unlikely that My server runs a parity check every last day of the month, which in this case ran yesterday. I have since aborted the parity check. Hab auf meinem HP Microserver Gen8 mit nem Xeon 1230 und 16 GB Speicher 4x 8TB Platten am laufen. You can read/write while parity is going, it will slow everything down, but will work. Not sure if there are real-world scenarios where this might be useful? Quote; LateNight. We try as much as possible to avoid negative content because we would like to maintain positive vibes. 5TB of data) with 3x 4TB drives (plus parity Prior to the parity check, this was an unRaid system that was very stable. Open the dropdown in the top-right of the Unraid webgui and click Check for Update, then press More options and switch to the Next Ran a parity check and a drive is showing a red x and says device is disabled and being emulated. Posted May 20, 2021. Once I built my new setup and got it back up and running, I had it do another parity check and correct any errors as they were caught. You can see parity check speed with v6. Have read some other threads, saying that their device might be offline since. Aug 2 12:30:02 ThaNekos parity. The machine did not shut down because of the UPS. Below is the email I get during the parity check and it is always these same 8 drives. I keep having issues with read/write errors on certain disks and it seems to occur during parity checks most of the time. I checked the smart report for the Parity Check Tuning plugin The Parity Check Tuning plugin is primarily designed to allow you to split a parity check into increments and then specify when those increments should be run. Theme . But my Parity check went from about 80Mb/s, went to 3mb's I removed the 8Gb of RAM, Parity check went back to 80Mb/s Hello! Well the title says it all. It is the perfect test to verify that unRAID can read EVERYTHING that is currently stored on the array with resorting to data recovery. Did it fall to zero? (Should, as the 10GB file should fit in your RAM = Linux Cache) Download it from \\server. Not sure what Parity sync is building parity from scratch. 4, I would suggest to @bonienl that since it's been possible from v6. My server got errors once because of a unclean shutdown and partity corrected the errors and the drive is fine still 2 years later. 8 is always slower independent of array size, in fact v6. I would like some help in understanding what the root cause is. Verified by logging in remotely on my phone. Unraid is also reporting 832 errors on disk 2, but there is nothing loggedmarvin-diagnostics-20231220-1300. unRaid server unexpected shutdown - no longer can accesss "[servername]. The native Linux command hdparm (Hard Disk Parameters) can be used to determine your hard disk drive read speed. The disk is not disabled, there do not appear to be any issues at the moment. The parity check is still ongoing and it seems the errors happened all at once and then stopped. (Also note the 576 errors on disk 4, Hello, my disk 11 is disabled while conducting the parity check at the beginning of the month. vtyw bptfaj axg gpba wiak cipxw vqw vdnzu lcqzqq ezjbdfo