Server grinds to a halt while files are being moved or unpacked.


Inx192

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As per the title, my server grinds to a halt while files are being moved or unpacked.

Examples of my problem:

When Sab has downloaded something of a reasonable size (over few gb's) all other Dockers on the server just become unresponsive until the file has finished extracting and moving. The same happenes when just moving/copying large files around

 

I had a problem at the time of building this server (A long time ago) with a faulty power supply so I put an old 650w supply in from an old Windows server. Do you think this could be my problem and if so, what is my best way to find out before buying another supply?

 

Current Dockers:

Radarr

Sonarr

SABnzbd

Embyserver

Delugevpn

jackett

cadvisor

 

Server Spec:

HX316C9SRK2/16

16gb Ddr3-1600mhz Non-ecc Cl9

SC-4324

4U Server Case w/ 24x 3.5" Hot-Swappable SATA/SAS Drive Bays, 6Gb/s MiniSAS

SC-ATX600

600W ATX PS/2 SERVER GRADE PSU

B85M-G

Asus B85m-g Lga1150 Matx USB 3.0 32gb Ddr3 6 X Sata 6gb

BX80646I54460

Intel 4th Generation Core i5 (4460) 3.2GHz Quad Core Processor 6MB L3 Cache (Boxed)

TG-3468

TP-Link TG-3468 10/100/1000Mbps PCIe Gigabit Network Adaptor

SC-4324

4U Server Case w/ 24x 3.5" Hot-Swappable SATA/SAS Drive Bays, 6Gb/s MiniSAS

CK23601H0C01

Chenbro CK23601 - 36 Port SAS Expander

LSI00190

LSI 9211-4i SAS/SATA RAID - 4-port

 

Drives:

1 x 62gb (Cruzer Switch Flash Drive) boot

1 x 6tb (SATA) parity

1 x 3tb (SATA) cache drive

9 x 6tb (SATA)

2 x 3tb (SATA)

 

 

 

 

 

 

 

 

 

 

Edited by Inx192
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I have also just noticed that i had quite a few redundant files in the incomplete folder so i started to delete all and when it starts, the speed drops to 0.00 and then after some time it speeds up and does the same over and over till complete.

BTW, deleting was done via a Windows mapped drive.

Edited by Inx192
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2 hours ago, Inx192 said:

If you mean in SAB, i have one folder with subs

 

Media/Downloads/SABNZBD

complete

incomplete

 

SAB extracts from incomplete to complete.

On array or on cache?

 

Extracting not only stresses the HDD(s), it also stresses the CPU and the controller etc. So if it's on the array, I am not surprised that everything slows down - happened to me before.

 

If it's on cache, even a HDD, then it would be surprising.

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2 hours ago, testdasi said:

On array or on cache?

 

Extracting not only stresses the HDD(s), it also stresses the CPU and the controller etc. So if it's on the array, I am not surprised that everything slows down - happened to me before.

 

If it's on cache, even a HDD, then it would be surprising.

How do I check if it is using the cache or just the array?

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Within Sab you have some settings that can tame the CPU and drive I/O demand.  Look under Config - Switches for the Nice, IONice, and ExtraPAR2 parameters in the Post Processing section.  The linked Sab Wiki will explain what they are and offer defaults to start with.  If the ExtraPAR2 doesn't work (-t0), you can limit the number of cores to the Sab Docker to 1 or 2 as alternative.

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10 hours ago, Inx192 said:

I just checked and I am on BTRFS, should i format that drive.

Up to you. All I know is that it solved my issues. 

 

Specifically any time my cache drive was doing heavy disk I/O, many of my docker containers and I think even the webUI would grind to a halt. Plex would become unusuable. Probably other stuff too. Reformatting to XFS fixed it. 

 

Up to you if you want to try. 

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