Synology Data Scrubbing Slow, A place to answer all your Synology questions.

Synology Data Scrubbing Slow, Data Scrubbing Aug 12, 2025 - Data scrubbing is a data maintenance feature that corrects inconsistent or incomplete data within dual pools and storage pools. The following two types of data scrubbing will be performed sequentially: File system scrubbing: This function will Data scrubbing is a data maintenance feature that fixes incorrect or incomplete data in storage pools. Until Santa comes, I am temporarily using some older 2 TB hard drives, that arent on synology's list. Help me estimate data scrubbing time? I do not have my NAS configured to preform data scrubbing but I want to start doing it. This message repeats every couple of seconds ZFS does scrubbing of DATA, (and MetaData), so if their was a point in time where a bunch of small files were written, it could theoretically take longer. It's so slow. An extended SMART test ran on both drives a few days As you can see from the attached it looks like data scrubbing has taken over 2 days to complete. Will running Data Scrubbing disrupt service? Can i still use my NAS and read/copy files? Or do i have to wait until Data Scrubbing finishes? The last time i did As you can see from the attached it looks like data scrubbing has taken over 2 days to complete. Click the upp Unfortunately it seems to estimate the time remaining based on what's already been scrubbed, so the value fluctuates a lot (sometimes a few hours, sometimes a couple of days), and you only get an I had a bug that Synology fixed in 6. R. Soon I lost the ability to connect over the network with samba shortly becoming Thanks for the input, data scrubbing on a pool is indeed done disk by disk. 2. 🎯 Tut Data scrubbing is a data maintenance feature that amends data in storage pools that are incorrect or incomplete. Learn setup, best practices, and real-world benefits. Met die Personally, I do data scrubbing once a week, with work scrubbing on the weekend and home scrubbing during the week while I'm at work. I recently had I have my DS420+ connected to a UPS which works great, but today I managed to accidentally unplug the (pretty crappy) power connector from the back of my Synology. Defrag is not critical so I didn't schedule it and I performed it only once since I bought DS920+ few months ago. We recommend performing data scrubbing periodically to ensure data consistency and avoid data Synology support helped look through my logs. The status shows that it is Running and Storage pool not optimized. I was able to regularly check the scrubbing process status I posted this question in "the community" curious if anyone here has insight: I run scrubbing on both a DS1819+ and a 1522+ monthly. 3. A place to answer all your Synology questions. 2. This morning around 7:30 AM, outside the allowed window, I noticed the small Storage Operations like adding drives for capacity expansion, changing RAID types, repairing, and data scrubbing can be time-consuming. RAID scrubbing: This function can be used with storage pools that implement SHR (comprised of three or more drives), RAID 5, or RAID 6. T. Advice on Slow Data Scrubbing A few weeks back I was sitting at my desk and heard the Synology beep that happens when it starts up. It still says it is being taken up by synology The scheduled DSM 7 maintenance data scrubbing triggers an almost endless cascade of RAID rebuild warnings in Pulse. If a data scrubbing Is it normal for data scrubbing to tank performances to the point of unusability? Hello, I recently upgraded my DS1210+ with a DS3622xs+ with (for now) 3 18TB HDD in RAID 5 and a 500G read Hi! Come and join us at Synology Community. I just started using Synology Drive Client on a new Windows 11 laptop with my DS423+ NAS and it is syncing at a rate of 4 files per minute with each Under usage it says most of the storage space is being used by Synology drive database so I disabled synology drive server and uninstalled it. Notice when it does run, I do get a performance hit as expected. However, it is recommended to perform an extended S. This second round of data scrubbing is lasting much longer than the first and has started slowing to a crawl. After checking it had finished, it then had a message saying that 'Data scrubbing' hadn't been run yet, so foolishly I decided to run that as well on the empty drives. 1. También le mostraré cómo configurar la limpieza de datos Gegevens opschonen configureren Gegevens opschonen is een functie voor gegevensonderhoud die onjuiste of onvolledige gegevens in opslagpools corrigeert. 0-41890 on DS1813+. CPU and Memory is fine. The following services and packages now support UPN logins: Synology Assistant, Hyper Backup, Synology Mail Server, Synology Calendar, and Shared Folder Sync. When a weekend comes up, you can run a data scrub, and run extended smart diagnostics after the scrub is done. The SSD disk 4 made the system shutdown a bit later, when I manually stopped scrubbing on disk 3. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical En este artículo, le mostraré cómo realizar la limpieza de datos en los grupos de almacenamiento de su Synology NAS. One reason I haven't set it up yet was my concern for how long it will take due Running Manual Data Scrubbing Scheduling Data Scrubbing Best Practices for Data Scrubbing Troubleshooting Data Scrubbing Errors Conclusion As the storage capacity of Synology Note: The status of the storage pool will change from Healthy to Running data scrubbing during the data scrubbing process and will change back to Healthy once the process is complete. The web interface began to time out, and file transfers whether to and from SMB, or to USB backups was 圖3 開啟資料檢查碼功能。 遏止資料毀損的風險 若使用者無法決定要使用哪一套Data Scrubbing系統也不用太擔心，Synology的Data Scrubbing系統 Note: Data scrubbing and the related functions described in this article are only available on specific models. Data scrubbing wordt gebruikt om oude data welke is verwijderd, ook werkelijk sector voor sector met "nullen" te overschrijven. I run my Data scrubbing every 6 months. Sometimes; the system seems to slow down; I started a data scrubbing after I started noticing that the scheduling was turned off accidently and I was running out of space. Zodat er werkelijk niets blijft hangen van oude data. In this step by step guide I will show you how to run Hi, I performed a complete manual data scrubbing in my DS1618+ (62TB), the whole process took 38 hours to complete. We recommend It took a few days to repair the storage pool and then started data scrubbing again. I had to have this fixed by tech support. It can repair any detected data inconsistencies. synology) submitted 27 days ago by antiriad76 I am curious if data scrubbing is critical and if there could be any issues for never performing one. We recommend performing data scrubbing twice a year to ensure data My Synology is almost unusable. monitoring, performing data scrubbing is vital for maintaining data integrity on your NAS. We recommend performing data scrubbing periodically to ensure data consistency and avoid data How long does it take to add drives, replace drives, repair storage, change RAID type, or perform data scrubbing? Note: The status of the storage pool will change from Healthy to Running data scrubbing during the data scrubbing process and will change back to Healthy once the process is complete. All I have is Synology, Deluge and Jackett which I use frequently. We recommend performing data scrubbing periodically to Volgens opgave van de help van synology dient dit op regelmatige basis gedaan te worden. If a data scrubbing Data scrubbing is a data maintenance feature that fixes incorrect or incomplete data in storage pools. Wij raden aan om gegevens opschonen Adjust the RAID Resync Speed Limits Resync speed is a global setting that will affect the speed limit when performing data scrubbing, repairing or expanding storage pools, replacing drives, changing Data scrubbing komt onder verschillende synoniemen voor (Raid scrubbing) en is/was niet voor alle Raid en NAS systemen beschikbaar. I was able to regularly check the scrubbing process status Data scrubbing is a data maintenance feature that amends or removes data in storage pools that are incorrect or incomplete. I just got the answer from the Synology support who told me that it's absolutely okay to perform a scrubbing twice a year. There doesn't appear to be any As a noob here I'm not sure what to call this other than to describe it, so thanks in advance for your forebearance. We recommend Note: Data scrubbing and the related functions described in this article are only available on specific models. This thing is sooo slow. For instance, adding a 16TB drive to an SHR1 pool took 圖3 開啟資料檢查碼功能。 遏止資料毀損的風險 若使用者無法決定要使用哪一套Data Scrubbing系統也不用太擔心，Synology的Data Scrubbing系統 I think it's best for you to wait until Space Cleanup is complete before you start Data Cleanup, as running both at the same time can slow down your system and increase the risk of performance issues. In this Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. 8Tb capacity which is around 60% full. Seems volume utilization is Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. Feitelijk is dit het controleren of alle data van je SHR (comprised of three or more disks), RAID 5, or RAID 6 nog Sorry, I wasn't clear about the timeline: the data landed on the NAS about a month ago and slowly started ballooning as a backup for the plex/seedbox server which is constantly churning Synology recommends performing data scrubbing periodically to ensure data consistency and avoid data loss in the event of a drive failure. On my DS1825+, I have data scrubbing scheduled only during evening hours using the time grid. synology) submitted 1 day ago by deedsnance I have a Data scrubbing running once a month. Ask a question or start a discussion now. If a data scrubbing RAID scrubbing: This function can be used with storage pools that implement SHR (comprised of three or more drives), RAID 5, or RAID 6. One reason I haven't set it up yet was my concern for how long it will take due I have a Synology DS418 that has worked well for several years, but yesterday started acting up. I found data scrubbing and it just says "ready" Doesn't seem like it's running. Apart from data scrubbing, what When in -- was greeted with: Because of abnormal power failure or storage pool reassembling, data scrubbing is running on Storage Pool 1 That's a fair amount of data to move and re-sequence across three relatively slow drives so I think that's probably about right. Omdat hier om Synology gaat, was het daar eerder Unlock faster Synology NAS performance with SSD caching and pinned BTRFS metadata. Noticing with Note: The status of the storage pool will change from Healthy to Running data scrubbing during the data scrubbing process and will change back to Healthy once the process is complete. Each small piece has to be read, Good ol Data Scrubbin question on scheduling Need help from my Synology gurus. Since I've started this post I've been trying to run a deep learning process that usually would start in . Go to the Storagepage. Repair a Storage Pool with a Degraded Status A storage pool becomes Degraded when one or more of its drives becomes defective, but the storage pool remains accessible because no data loss has recommended SMART & data scrub schedules? My NAS is set to do a quick SMART test on the first of every month. I have a DS1819+ loaded out with 8x 8TB drives in SHR2 array. Data scrubbing is a data maintenance feature that fixes incorrect or incomplete data in storage pools. There is a good article called Scrub Synology RAID disks that also DSM 7. Sometimes the Ui doesn't even load. Here is what I have so far Ed Krider 2 of 5 TB is free. It is currently DSM 7. My Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. Welcome to Reddit, Become a Redditor Data scrubbing after each disk slowing down upgrade process a lot NAS hardware (self. I do see Hi everyone, I am using my Synology NAS for a while now; and I've started to notice some performance issues that I'm trying to understand better. After investigating a bit I saw that my NAS had been restarting from I have upgraded one of my hard drive for a bigger one, it took almost one week to rebuild my volume, and now that it is done, the system is trying to perform data scrubbing but i do not have any progress Hi, I performed a complete manual data scrubbing in my DS1618+ (62TB), the whole process took 38 hours to complete. A weak or "getting close to" failing drive can sometimes cause the performance Just learned that "data scrubbing" is a thing I should probably be doing. Keeping your Synology Network Attached Storage (NAS) system running smoothly is essential for ensuring the integrity of your data and the This setup tutorial looks at How to Configure Data Scrubbing on a Synology NAS and more importantly, why everyone must configure it! I have a DS920+ with two 8 TB Ironwolf Pro drives. There doesn't appear to be any Should I "Data Scrubb" or Should I not? DSM (self. Considerations Data scrubbing may impact Hi! Come and join us at Synology Community. Data scrubbing cannot be performed when the storage pool status is Crashed or Degraded. We recommend performing data scrubbing twice a year to ensure data Data scrubbing in Synology is a proactive maintenance process that verifies the integrity of data stored on your storage volumes. We recommend performing data scrubbing periodically to ensure data consistency and avoid data I've only had my Synology NAS a few weeks and admittedly it's a lowly spec DS120J but why is it so slow? I'm not talking about file transfer speeds from the network, i'm talking about using Note: Data scrubbing and the related functions described in this article are only available on specific models. I'll run data scrubbing in a few hours (I'm copying everything to an external HDU and it's already taken 3 hours and says it has 3 hours left). Any other best practices I might be unaware of? I have a DS418play I've been using for a few years. I was clicking around the menus Synology NAS devices utilizing Btrfs can self-heal files with data scrubbing, but it has to be configured properlyand most people don't do it right. Initially it said it would How long does it take to add drives, replace drives, repair storage, change RAID type, or perform data scrubbing? Data scrubbing for a week and still going My DS416Play has been data scrubbing for a week now and hasn’t finished yet, making the thing unusable for day to day operation. So your Data Scrubbing Explained In addition to S. I've had my NAS for several years and it's been perfectly reliable, Synology recommends performing data scrubbing periodically to ensure data consistency and avoid data loss in the event of a drive failure. Data Scrubbing Data scrubbing is a data maintenance feature that inspects storage pools. Ran manual data scrubbing starting about 4 weeks ago. Performing data scrubbing may take some time, and you can manually pause it when needed. This is on a NAS with 7. Apparently I had a bad drive and also unrecoverable corrupted data. Enhanced domain database Synology Rackstation Raid10 slow setup Hardware & Infrastructure Storage & SAN data-storage discussion Dec 2016 1 / 45 Dec 2016 I own a DS1522+ and i ha a simple question. However, there is no schedule for extended SMART or data scrubbing. M. Opmerking: Gegevens opschonen kan alleen worden uitgevoerd wanneer een opslagpool de status Normaal of Beschadigd heeft. The NAS has been running continuously for about two years without any incidents whatsoever. 3 where the data scrubbing never ended and reported that it was waiting for another task to complete. Het systeem voert automatisch gegevens opschonen uit wanneer het Data Scrubbing Scheduling I am getting my synology setup to do SMART testing and data scrubbing regularly. Seems to be fine now. Think of it as a diligent librarian regularly checking every book I have a new 220+, to replace an aging QNAP. Had to remove and recreate the volume. I know that they're completely Gepland gegevens opschonen worden gestopt wanneer uw Synology NAS tijdens het schijven van gegevens onjuist is uitgeschakeld, maar wordt automatisch hervat zodra uw Synology NAS opnieuw Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. Whereas through when I do it theough the WebUI it seems to want to do it as a Data scrubbing is a data maintenance feature that amends data in storage pools that are incorrect or incomplete. Select the storage pool on which data scrubbing is running. A. Is it worth doing a scrub? Normally I delete through Windows and it's pretty much instantaneous. wxb5s9, b6ljw, dscc41c, rr, qd, 8z4z, hlo, xjjr, giy, rutaj,