Select and prioritize the storage pools that you want to perform data scrubbing. Since parity is distributed across all drives, bit-rot on a parity sector could cause a subsequent RAID rebuild to fail. , incompatible file systems, incompatible. I pulled the ram stick and ran data scrubbing, same crash. P. Open Universal Search, and enter keywords into the top search bar. Data Scrubbing. Select and prioritize the storage pools that you want to perform data scrubbing. I want to go ahead and swap in its new. Worse still, they occur silently without any warning. Bạn có thể thay thế các ổ đĩa của một Pool lưu trữ bằng những ổ đĩa có kích thước lớn hơn để mở rộng dung lượng. File system scrubbing: This function checks the volumes in the Btrfs file system. ; The storage pools on which data scrubbing cannot be performed will be listed at the bottom of the Schedule Data Scrubbing window along with the reasons (e. Do shut down the system until you have the replacement drive ready. , incompatible file systems, incompatible. Go to Select Target tab. Click the Schedule Data Scrubbing button. I just want to share my experience. Specify the Frequency, Start date, and Time Session. dukdukgoos • 2 yr. Data scrubbing is a data maintenance feature that inspects storage pools. Click Set Schedule. Thanks for the confirmation it is safe to do, esp as my plan is to remove the Volume, and re-do the RAID (and Data Parity Check) 1. Tick Enable Data Scrubbing schedule. Select and prioritize the storage pools that you want to perform data scrubbing. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Go to Storage Pool > Data Scrubbing. I've now setup a data scrubbing schedule that pauses during normal NAS. The data scrub is just want happens after adding a drive. 2) Hyper Backup up your data to external drive (s) and run a Backup Integrity Check. NAS Synology là gì? NAS Synology là thiết bị lưu trữ và quản lý dữ liệu tập trung, được xem là phương thức an toàn, hiệu quả nhất để lưu trữ các dữ liệu kinh doanh nhạy cảm. Why would the data scrubbing be scheduled on RAID creation but not allow the user to run it after?To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. The data checksum for advance data integrity is like doing a constant data scrubbing and will continually check and repair any data inconsistencies. To set a data scrubbing schedule: Launch Storage Manager. I haven't found this documented anywhere, but it matches what I'm experiencing. ; Click the Schedule Data Scrubbing button. Data scrubbing is a data maintenance feature that inspects storage pools. Data scrubbing is a data maintenance feature that inspects storage pools. Tick the Enable data scrubbing schedule checkbox. Tick the Enable data scrubbing schedule checkbox. ; Click the Schedule Data Scrubbing button. Specify the Frequency, Start date, and Time Session. Click OK. Though common sense tells you that if you have data corruption or bit rot and this continues without doing data scrubbing, it's possible that your status of. To run data scrubbing on schedule: Go to the Storage page. Select and prioritize the storage pools that you want to perform data scrubbing. RAID scrubbing: This function can repair any detected data inconsistencies on storage pools that. The following two types of data scrubbing will be performed sequentially: File system scrubbing: This function will check the volumes in the Btrfs file system. I. Quick SMART test: 1 per month. R-808 • 6 mo. File system scrubbing: This function checks the volumes in the Btrfs file system. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Select the storage pool on which you want to perform data scrubbing. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Support data scrubbing: Yes. g. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Select and prioritize the storage pools that you want to perform data scrubbing. Độ phổ biến (Factor rating): 5/10Chà dữ liệu liên quan đến thủ. Select and prioritize the storage pools that you want to perform data scrubbing. I have 2 feature requests regarding data scrubbing (DSM 7. Click the Schedule Data Scrubbing button. Your script:Enhanced the setup process of Hot Spare and Data Scrubbing. Data Scrubbing | DSM - Synology VidenscenterƯu điểm của nó là rất dễ sử dụng, bạn sẽ không cần phải thuê nhân viên IT khi sử dụng NAS Synology làm máy chủ dữ liệu. . 4) Create a brand new Synology Volume. 5d = 5h/TB. Though common sense tells you that if you have data corruption or bit rot and this continues without doing data scrubbing, it's possible that your status of. . Tick Enable Data Scrubbing schedule. Select and prioritize the storage pools that you want to perform data scrubbing. Go to Storage Pool > Data Scrubbing. Data Scrubbing | DSM - Synology Knowledge CenterData scrubbing is a data maintenance feature that inspects storage pools. Data scrubbing is a data maintenance feature that inspects storage pools. I thought of just rebooting it midway through the Data Scrubbing; but never did that before. Take photos as an example. Kiểm tra tình trạng của các HDD. The script performs commands to determine the RAID syncing status and BTRFS file system scrubbing status. Data Scrubbing Scheduling. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Both tests will do the exact same self health checks beforehand. Select the storage pool on which you want to perform data scrubbing. Data scrubbing is a data maintenance feature that inspects storage pools. Data scrubbing "postponed". Go to the Select Target tab. 0 or a client that is not a Synology NAS, and to retain the source data's owner and group information, you must add the rsync accounts to the administrators group, and back up data to the NetBackup shared folder in the daemon mode. 4. @digital As you've not specified in which context you mean by dependency it's difficult to answer, though the link below does talk about data scrubbing, it doesn't go into detail of it's importance. Techopedia defines data scrubbing as “…the procedure of modifying or removing incomplete, incorrect, inaccurately formatted, or repeated data in a database. Thanks for the info. Data scrubbing is a data maintenance feature that inspects storage pools. Click the Schedule Data Scrubbing button. Unlike the Synology KB states, I cannot schedule a date (date, not day) for a scheduled data scrubbing. Tick the Enable data scrubbing schedule checkbox. Click the Schedule Data Scrubbing button. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Click OK. Trong bối cảnh đó, đó là một chức năng tự động kiểm tra ổ đĩa (disk drive) và hệ thống. overall system performance. To run data scrubbing on schedule: Go to the Storage page. Monitor the overall storage usage of your Synology NAS. Trong trường hợp này, Synology DS920+ đang hoạt động rất tốt về hiệu suất với RAID 10 và hỗ trợ 2 lỗi đĩa. @digital As you've not specified in which context you mean by dependency it's difficult to answer, though the link below does talk about data scrubbing, it doesn't go into detail of it's importance. @digital As you've not specified in which context you mean by dependency it's difficult to answer, though the link below does talk about data scrubbing, it doesn't go into detail of it's importance. Through these benefits, it becomes evident that Synology’s approach to data scrubbing is not just a routine check-up of storage systems but a comprehensive, proactive strategy to safeguard one of the most valuable assets in the digital age: data. m. Tick the Enable data scrubbing schedule checkbox. Data scrubbing is a data maintenance feature that inspects storage pools. Techopedia defines data scrubbing as “…the procedure of modifying or removing incomplete, incorrect, inaccurately formatted, or repeated data in a database. Indeed. Data Scrubbing. To run data scrubbing on schedule: Go to the Storage page. I'd do some research and see what other's opinions are. Tick the Enable data scrubbing schedule checkbox. ; Click the Schedule Data Scrubbing button. Vào Storage Manager để kiểm tra tình trạng. CardDAV Server is a contact management package that allows you to sync and access your address books on Synology NAS. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. It took me a while to realize that a hard drive failed during the scrubbing (lots of corrupt sectors) which caused a very high IO load (the CPU load was quite low). data scrubbing (data cleansing): Data scrubbing, also called data cleansing, is the process of amending or removing data in a database that is incorrect, incomplete, improperly formatted, or duplicated. ศูนย์ความรู้ของ Synology ให้การสนับสนุนที่ครอบคลุม ให้คำตอบกับคำถามที่พบบ่อย ขั้นตอนการแก้ไขปัญหา การแนะนำการใช้งาน. Check Enable data scrubbing schedule. Here is what I have so far. Select a shared folder and click Edit. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. My main purpose of the NAS is just local storage of all my data (I use C2 for encrypted off-site backups, and I am pretty satisfied). , incompatible file systems, incompatible RAID configurations, and abnormal storage pools). Select and prioritize the storage pools that you want to perform data scrubbing. Select "HDD/SSD" from the Select Category drop-down menu. Go to Storage Pool > Data Scrubbing. Check your Storage Pool, set a Frequency (I recommend to run it every 6 months). If the system detects any data inconsistent with the checksum, it will attempt to use a backup to. , incompatible file systems, incompatible. g. I'm running RAID 10 and have NVME RO cache. Inspect the health of the installed drives. Data scrubbing on Synology meticulously scans and repairs disk inconsistencies, safeguarding against data corruption. ; Click the Schedule Data Scrubbing button. I do see you can manually pause it and it will pick back up where you left it when you resume it. On my DiskStation DS414j. We recommend you perform data. I run my Data scrubbing every 6 months. Go to the Storage page. Any changes made to contacts will be synced to all the client devices connected to CardDAV Server. Data scrubbing is a data maintenance feature that inspects storage pools. To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. Làm sạch dữ liệu (data cleaning) là gì? Làm sạch dữ liệu (data cleaning) là quá trình điều chỉnh hoặc loại bỏ dữ liệu không chính xác, sai định dạng, trùng lặp, không liên quan, không đầy đủ hoặc có vấn đề (dirty) trong. If the system detects any data inconsistent with the checksum, it will attempt to use a backup to repair the data, and it will record the file path at Log Center. Data scrubbing refers to the procedure of modifying or removing incomplete, incorrect, inaccurately formatted, or repeated data in a database. - approx. To run data scrubbing on schedule: Go to the Storage page. If any data inconsistent with the checksum is detected, the system will try to use a backup to. NAS Synology phù hợp với người dùng cá nhân, gia đình, doanh nghiệp có. If any data inconsistent with the checksum is detected, the system will try to use a backup to repair the data. You can set times when scrub can scrub (say between 1am and 8am) it pauses and resumes each day until it finishes the scrub. My system is also data scrubbing albeit it is paused right now as it is scheduled to run at night. Synology Knowledge Center tilbyder omfattende support, der giver svar på ofte stillede spørgsmål, fejlfindingstrin, softwarevejledninger og al den tekniske dokumentation, du har brug for. Data Scrubbing. If any data inconsistent with the checksum is detected, the system will try to use a backup to. Đối với hầu hết các trường hợp, chúng được coi là giống nhau. Tick the Enable data scrubbing schedule checkbox. Data scrubbing is a data maintenance feature that amends data in storage pools that are incorrect or incomplete. Blindly having faith isn't my preference. ; The storage pools on which data scrubbing cannot be performed will be listed at the bottom of the Schedule Data Scrubbing window along with the reasons (e. Click the Schedule Data Scrubbing button. g. To set a data scrubbing schedule: Launch Storage Manager. ; Click the Schedule Data Scrubbing button. Once the backup-Syno ran out of space I noticed the issued, removed SurveillanceStation from the HyperBackup routine and deleted the corresponding folder completely on the Backup-NAS. Data Scrubbing | DSM - Synology Knowledge CenterHello Friends,This channel is all about providing basic definition, meaning and example of various terms used in technical world. Klikněte na tlačítko Naplánovat scrubbing dat. " To run data scrubbing on schedule: Go to the Storage page. , incompatible file systems, incompatible. 4. A few weeks back I was sitting at my desk and heard the Synology beep that happens when it starts up. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. If any data inconsistent with the checksum is detected, the system will try to use a backup to. That's the date of the last data scrub I ran, back in August. Select the storage pool on which data scrubbing is running. Understanding the basics of data scrubbing synology. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Long test will read all data sectors (and verify crc checksums that drive keeps). Data Scrubbing | DSM - Synology Knowledge CenterSorry I'm still not seeing this. Tick the Enable data scrubbing schedule checkbox. To run data scrubbing on schedule: Go to the Storage page. Data scrubbing on DS1815 has not been performed for a month. If any data inconsistent with the checksum is detected, the system will try to use a backup to. 2) Go to Storage Pool 1. This tutorial is going to take a look at Synology Data Scrubbing and why you MUST set it up. 2. ; The storage pools on which data scrubbing cannot be performed will be listed at the bottom of the Schedule Data Scrubbing window along with the reasons (e. ; Click the Schedule Data Scrubbing button. I personally run Quick S. Data scrubbing is a data maintenance feature that inspects storage pools. Click the Schedule Data Scrubbing button. please share your thoughts if data scrubbing is needed on the new nas. ; Click the Schedule Data Scrubbing button. Though common sense tells you that if you have data corruption or bit rot and this continues without doing data scrubbing, it's possible that your status of. g. k. 3. Specify the Frequency, Start date, and Time Session. The following two types of data scrubbing will be performed sequentially: File system scrubbing: This function checks the volumes in the Btrfs file system. Data scrubbing, as the name suggests, is a process of inspecting volumes and modifying the detected inconsistencies. To set a data scrubbing schedule: Launch Storage Manager. Select the storage pool on which you want to perform data scrubbing. @digital As you've not specified in which context you mean by dependency it's difficult to answer, though the link below does talk about data scrubbing, it doesn't go into detail of it's importance. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. If the system detects any data inconsistent with the checksum, it will attempt to use a backup to. Database (DB) Telecommunications; Dirty Data; Response. After investigating a bit I saw that my NAS had been restarting from improper shutdowns every 30 minutes for a few hours. There's cancel right on the Volume tab in the StorageManager. 1) 1. Do not data scrub. BTRFS scrub: 1 per 3 months. Please check this page for more details. The following two types of data scrubbing will be performed sequentially: File system scrubbing :. Select and prioritize the storage pools that you want to perform data scrubbing. Select the Enable Recycle Bin checkbox. To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. Select and prioritize the storage pools that you want to perform data scrubbing. philhu @philhu*. Go to the Select Target tab. running on Volume 1 and may affect. 1. Firstly checking the status of the MD by pulling /proc/mdstat. Go to Storage Pool > Data Scrubbing. Data Scrubbing | DSM - Synology Knowledge CenterThe default schedule is every 3 months (if you enable it). Where as the data scrubbing will only do it at a pre-set time and will do all the data/files on your system. Wow. There are different types of RAID, each providing different levels of performance, storage capacity, and reliability. Data Scrubbing | DSM - Synology Knowledge CenterData scrubbing is a data maintenance feature that inspects storage pools. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Data scrubbing is a data maintenance feature that inspects storage pools. Synology only says “We recommend performing data scrubbing regularly to ensure data consistency and avoid data loss in the event of drive failures”. Select and prioritize the storage pools that you want to perform data scrubbing. , incompatible file systems, incompatible. Tick Enable Data Scrubbing schedule. Mình migrate từ bản 6. On the left menu in Storage Manager click Storage then Storage Pool 1. Performing data scrubbing may take some time, and you can manually pause it when needed. To run data scrubbing on schedule: Go to the Storage page. , incompatible file systems, incompatible RAID configurations, and abnormal storage pools). 1. , incompatible file systems, incompatible RAID configurations, and abnormal storage pools). Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Just purchased a new DS420j and moved the 4x4TB drives from an older basic NAS I had to the DS. Data Scrubbing. Enter the description for the certificate and select Import certificate. To set a data scrubbing schedule: Launch Storage Manager. ; Click the Schedule Data Scrubbing button. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Lưu ý: Đây là phương pháp không chính thống… và Synology không khuyến khích bạn làm (mình cũng thế ). Click the Schedule Data Scrubbing button. My main purpose of the NAS is just local storage of all my data (I use C2 for encrypted off-site backups, and I am pretty satisfied). Tick the Enable data scrubbing schedule checkbox. Go to Storage Pool > Data Scrubbing. " I usually set mine to the "Run RAID Resync faster", but. As times goes by, some data may fall victim. There are different types of RAID, each providing different levels of performance, storage capacity, and reliability. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. 5) Restore from Hyper Backup. ZFS-based QuTS hero ensures performance and data integrity. g. ; Click the Schedule Data Scrubbing button. Verifying hard disks in the background. ; Click the Schedule Data Scrubbing button. Select and prioritize the storage pools that you want to perform data scrubbing. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. Click OK. It is. Click Set Schedule. Data scrubbing, a critical component of comprehensive. However you can set a low priority for scrubbing, so you shouldn't see any major. Tick the Enable data scrubbing schedule checkbox. Bật SSH service trên Synology NAS. "iSCSI Connection Drops during Data Scrubbing. Report; A nother forum told me I do not at all have to do Data-scrubbing on brand new HDD´s, that was only stupied if I did. Tuy nhiên, trong một số trường hợp, data scrubbing được xem như một yếu tố của làm sạch dữ liệu (data. Specify the Frequency, Start date, and Time Session. To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. This panel has an option to set a schedule for data scrubbing, which I have set. Btrfs Data Scrubbing utilizează un mecanism de sumă de control pentru a examina datele stocate în sistemul de fișiere Btrfs. Everyone will have different opinions on this. To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. For data scrubbing it should certainly show the time remaining/ % progress along with "running". When I say "unresponsive", I mean no DSM web portal, no SSH access, no SMB access, etc. Open the Storage Manager and select the Storage Pool that you have set up. To run data scrubbing on schedule: Go to the Storage page. The following two types of data scrubbing will be performed sequentially: File system scrubbing: This function will check the volumes in the Btrfs file system. 4. If the system is shut down before completion, data. Click the Schedule Data Scrubbing button. Specify the Frequency, Start date, and Time Session. If any data inconsistent with the checksum is detected, the system will try to use a backup to. Data Scrubbing. To run data scrubbing on schedule: Go to the Storage page. Though, I hope this really means that it always starts at 0 o'Clock this way and NOT anytime within the configured time. Browse Encyclopedia. Specially when the SSD doing a heavy job as the Data Scrubbing is. If any data inconsistent with the checksum is detected, the system will try to use a backup to. Click Set schedule. Tick the Enable data scrubbing schedule checkbox. Thiết lập iSCSI Initiator và. Tick the Enable data scrubbing schedule checkbox. Data scrubbing is a data maintenance function that inspects volumes or Disk Groups and repairs any detected data inconsistencies. 5 hours, but it's likely running slower than 100MB/s. Is there a way through the web interface to see that data scrubbing is in progress? I don't see it in the logs. According to Synology website, data scrubbing should't be available in my case. Click on a desired category to find needed items. The following two types of data scrubbing will be performed sequentially: File system scrubbing: This function will check the volumes in the Btrfs file system. I tried enabling a data scrubbing schedule with the Time Grid hours set to overnight (approx. To run data scrubbing on schedule: Go to the Storage page. rvH3Ah8zFtRX. To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. See the note: "This setting will affect the speed limit when running data scrubbing, repairing, expanding storage pools, and changing RAID types. 5) Restore from Hyper Backup. once a week, Extended S. If the system detects any data inconsistent with the checksum, it will attempt to use a backup to repair the data, and it will record the file path at Log Center. Rgr that. g. 9% of your data is intact. r/synology. The only difference between short test and long test is the amount of sectors it will head. It starts right away and repeats according. ago. Tick the Enable data scrubbing schedule checkbox. To set a schedule for ZFS data scrubbing, follow these steps: Go to Storage & Snapshots. To run data scrubbing on schedule: Go to the Storage page. This project is comprised of a shell script that is configured in Synology Task Scheduler to run once per hour. The following two types of data scrubbing will be performed sequentially: File system scrubbing: This function will check the volumes in the Btrfs file system. g. If the option data checksum for advanced data integrity is not enabled for a shared folder (at Control Panel > Shared Folder > Edit > Advanced ), data scrubbing will not be able to. ; Click the Schedule Data Scrubbing button. Sửa chữa Volume. ; The storage pools on which data scrubbing cannot be performed will be listed at the bottom of the Schedule Data Scrubbing window along with the reasons (e. Go to Storage Pool > Data Scrubbing. However I wish to perform a data scrub once a month, say from day 23 - 25, where I want the power schedule to be ignored, or potentially overridden by a power schedule which says run day 23 - 25 3 * 24 hours. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Go to the Select Target tab. Data Scrubbing | DSM - Synology Knowledge CenterData scrubbing and Power Schedule. If the system detects any data inconsistent with the checksum, it will attempt to use a backup to. Naplánování spuštění scrubbingu dat: Přejděte na stránku Úložiště. Login to your DSM as administrator. g. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Go to the Select Target tab. Data scrubbing refers to the procedure of modifying or removing incomplete, incorrect, inaccurately formatted, or repeated data in a database. Note: Only storage pools that support data scrubbing can be added to data scrubbing schedules. The following two types of data scrubbing will be performed sequentially: File system scrubbing: This function will check the volumes in the Btrfs file system. Tick the Enable data scrubbing schedule checkbox. You can try a data scrub: Storage Manager > Volume > Manage > "Start data scrubbing". Select the storage pool on which you want to perform data scrubbing. To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. Data scrubbing is a data maintenance feature that amends data in storage pools that are incorrect or incomplete. The more frequent it is run the higher the likelihood that all data will be accessible. Select and prioritize the storage pools that you want to perform data scrubbing. , incompatible file systems, incompatible RAID configurations, and abnormal storage pools). Click the Schedule Data Scrubbing button. Tick the Enable data scrubbing schedule checkbox. Data scrub by nature also verifies that (by trying to read each sector) but also looks for errors in the filesystem or RAID striping. Hybrid Share is an inbuilt package in DSM 7. Xem hướng dẫn bằng tiếng Anh tại đây . Note: Data scrubbing can only be performed when the status of the volume or Disk Group is Normal. This is where I'm at in the status. To learn why data scrubbing cannot be performed on a specific storage pool: Go to the Storage page. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. 14. Data Scrubbing | DSM - Synology VidenscenterTo run data scrubbing on schedule: Go to the Storage page. Tick Enable Data Scrubbing schedule. Synology Data Scrubbing (Raid Sync and BTRFS Scrubbing) + Email Notifications on Status. Synology NAS vượt trội hơn, cho phép bạn xây dựng một đám mây riêng để lưu trữ, truy cập, sao lưu và chia sẻ tệp một cách tự do và an toàn. Data scrubbing makes sense only when checksum is involved. See the note: "This setting will affect the speed limit when running data scrubbing, repairing, expanding storage pools, and changing RAID types. Click Run now to start the Data Scrubbing procedure, then click Save. Select and prioritize the storage pools that you want to perform data scrubbing. Data scrubbing cũng có một ý nghĩa khác liên quan đến việc lưu trữ dữ liệu (data storage). Click the Schedule Data Scrubbing button. Removing SSD caching allows the data scrubbing to complete successfully. Now I started a data-scrubbing, to see if that helps regain the space, just to. A. ; Click the Schedule Data Scrubbing button. Select and prioritize the storage pools that you want to perform data scrubbing. You can send a check to the scsi action routine, and '/proc/mdstat' does seems to do check instead, which is disk scrubbing.