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hi I am having a 30drives unraid,and get this warning ,what shoud I do ,and how it happens its kind of scary ,I have so many file on this system. tower-diagnostics-20230626-1527.zip

I can get what you are takling about ... But here is the situation ,all the 8 drives are syncing now is in the dell 720xd server itself .There should be no conection issue, and even there is one ,how could it slow down to 14m/s now……

what kind of disk connection describ is better for understanding ,I am new…… sorry

the 13 drive is in a Dell R720XD server rack ,and the another 34 is in a supermicro disk chaise ,connect with SFF-8088 cable and hba card .

Thanks for your help here is the disk connection map Host bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 DMI2 (rev 04) PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 2c (rev 04) RAID bus controller: Broadcom / LSI SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 03) 13 drives(left 13 in the picture ,main disks in parity sync situation) PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 3a (rev 04) Serial Attached SCSI controller: Broadcom / LSI SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 03) 34 drives and it is going down to 14m/s …… I cant figure out why this is happening ,all the 8 disk(2parity and 6 data disks) are in the first bus, and no background app is running .

Thanks a lot But I have done the Disk Speed test in docker ,the result shows the slowest one is 90mb/s ,and its not the disk in the array but the unassigned device which even did not mounted... So is there any other reason I can make some improvements.

Hi, I am getting a 80mb/s sync its quiet slow?or is it right? Here is the Diagnostics Please help me with this tower-diagnostics-20230523-1100.zip

And one more tips ,the server which went died ,when it deal with windows sever os , it runs very well . So there might not be the hardware issue? And then it comes to be the OS issue again

How can I do this thanks

After last request “unraid kepping rebooting” There turns out to be no solution so i just buy another server to replace the last one At begianing it went queit well in two days ，and suddenly it died I dont know how to deal with it ，and I started to think is this may be my os problem？ my unraid flash drive is wrong？ or is there any way that I can pull my data pool setting out only without backup the whole flash？ Annnnnyone HELP！

anyone help me .........

Here is the syslog syslog

ok i will sent the syslog here after I get it ,thanks

what do you mean by saying like this ? The diagnostics I provide can not show the rebooting error?

Here is my diagnostics My unraid server just went rebooting all the time. After I turn it on ,it boot into system for several mintues and sundenlly reboot the os itself without any warning. can anyone help me with this? Thanks alot tower02-diagnostics-20200609-0227.zip

Hell Yeah! I finally made it with Benson's methord . Disable the SAS adapter by the ctrl-c Great thanks to Benson!! love you guys amazing ! (picture below was after the success change to the boot ,so it might not be accurate . just show the properate order to get things done .

its not working ,but thanks

Thanks I have already disable it ,and I will reboot to check if it will be ok after the current copy transfer job being down . and then I will repost the result .Thanks!

can you give some idea about it ? a great thank to you

Here I check in the bios but did not see the option you talk about . And I check the boot setting , make sure there is only the usb as 1st boot device ,and no other device bootable .(with pic IMG_6601) It turns out nothing changed. And I even check the boot setting ,to set all the drive to disable .Still get nothing change . IMG_0759.HEIC IMG_3721.HEIC IMG_4239.HEIC IMG_4318.HEIC IMG_4794.HEIC IMG_6601.HEIC

thanks tower-diagnostics-20191110-0407.zip

hi all Here is the problem in simple: here is the full discribe of the problem: I install the unraid succesffly in my server ,and started to use it for a while. It runs quite well for me . But one day I shunt down it ,then I just cant boot it . The bios shows the usb drive is ok ,so I plug it into another server for test ,it turns out just fine and boot to UNRAID successful . So I plug it back to the original server ,and I just plug all my disks in the arry out before boot the server . It immeditely boot into UNRAID success ,and I just plug all the disks back to server ,it works. BBBBBBUUUUUUTTTTTT ! BUT! Everytime when I reboot or shunt down and turn it on again , I have to plug all the disks out before boot the unraid. It becomes a problem ,I have more than 20 disks ,so I had to repeat plug out then plug in again......... I am new to unraid for a month , can I get some help with you guys ? thanks!