Hitman

So I don't have parity drive, so a read check tells me there is a problem I could never do anything about, so I disable it. It also causes spiked latency when it is running.

Is it possible to disable reoccurring read checks? I was looking for its schedule and was not having any luck finding it.

Weirdly, I shutdown added more RAM (it's a VM) and it powered on. 3GB->4GB.

So being new with UnRAID I thought that the backups went to the cloud and indeed they do not. I upgraded for 6.10.3 to 6.11.0, and now I am in a endless reboot. I get to `Loading /bzroot...` and then the machine reboots. I did not have any plugins or config other than a single share, but I wanted to see what else i could try before wiping starting over. Starting over, so i just pull the USB stick and reinstall it from a Windows machine?

I took the advise of removing parity, as I didn't actually know this was an option. I now have the speed i was hoping for. Thank you! I'm now hitting over 250MB/s on a single transfer to a single drive.

Yes, it is virtualized with the HBA Adapter in PCI Passthrough to the VM. 13:00.0 Serial Attached SCSI controller: Broadcom / LSI SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 03) DeviceName: pciPassthru0 Subsystem: Dell 6Gbps SAS HBA Adapter Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 64, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 16 Region 0: I/O ports at 3000 [disabled] [size=256] Region 1: Memory at fda40000 (64-bit, non-prefetchable) [size=64K] Region 3: Memory at fda00000 (64-bit, non-prefetchable) [size=256K] Capabilities: [50] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [68] Express (v2) Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- SlotPowerLimit 0.000W DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend- LnkCap: Port #0, Speed 5GT/s, Width x32, ASPM L0s, Exit Latency L0s <64ns ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 5GT/s (ok), Width x32 (ok) TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt- DevCap2: Completion Timeout: Not Supported, TimeoutDis- NROPrPrP- LTR- 10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix- EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit- FRS- TPHComp- ExtTPHComp- AtomicOpsCap: 32bit- 64bit- 128bitCAS- DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR- OBFF Disabled, AtomicOpsCtl: ReqEn- LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis- Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- Compliance De-emphasis: -6dB LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete- EqualizationPhase1- EqualizationPhase2- EqualizationPhase3- LinkEqualizationRequest- Retimer- 2Retimers- CrosslinkRes: unsupported Capabilities: [d0] Vital Product Data pcilib: sysfs_read_vpd: read failed: No such device Not readable Capabilities: [a8] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [c0] MSI-X: Enable+ Count=15 Masked- Vector table: BAR=1 offset=0000e000 PBA: BAR=1 offset=0000f800 Capabilities: [100 v1] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+ AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn- ECRCChkCap+ ECRCChkEn- MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap- HeaderLog: 00000000 00000000 00000000 00000000 Capabilities: [138 v1] Power Budgeting <?> Kernel driver in use: mpt3sas Kernel modules: mpt3sas Right now I have 2 x 250GB SATA drives, RAID 1 for cache pool, but do not have it enabled as the files that are being written are 100GB each. So I don't believe it will keep up with it writing to drives after written to cache., or offer much of a speed improvement if the writes are constant. I was thinking of getting some cheap 1TB drives.

I will say the community support is great so far. Thanks for all the responses and feedback. I got it. I have two machines writing, so that isn't quite possible. What I means is once a SSD fills, wont it write directly to the disk? How does this work? So If If I give the device more RAM, I will see better speeds? My goal is ~150-200MB/s with two device writing and one device reading. I understand, I went with UNRAID to save 16TB, but seeing the speed is making me think I might want to take the hit. What are Fast Pools? To add, with one write, I still am not hitting the ~145MB/s one drive is capable of:

So let me ask the question. Why would people use UnRAID if it is so slow? I have new 16TB and 18TB drives. If I drop one more drive to Parity for RAID5 against the 18TBs and 16TBs, I could achieve 8x the speeds of unRAID. How are people getting speeds of 1GBs? Is it all due to NVMEs? What happens when writes are sustained? It goes from 1GBs to 90MB? Windows software raid can reach much higher speeds.

With the array healthy and "Turbo Writes" on, I still cannot saturate a 1GB when writing two files, to two different drives. I have notice maybe 100Mbps faster with "Turbo Mode". During rebuild the drives each did 150MB/s. unraid-diagnostics-20220921-2031.zip

Thank you for the response. I have disabled all writes until the rebuild is done and have enabled that "turbo mode." I will test once the rebuild has completed and report back.

I have a Unraid with dual Samsung 850 Cache pool and a mix of 16TB and 18TB drives. I have it running on a VM in ESXi. It has a 10GB NIC and another VM has a 10GB NIC. Moving a single files is only hitting ~600MBits/s. I have a JBOD HBA directly attached within the VM and that's how all HDDs & SSD Are connected. I noticed that the SSDs are not being written to and even if it it direct to the drive, i would expect it to hit higher while using the drive cache, and even writing direct once drive cache is full. I have a old dell with a few externals on it and that can saturate the 1GB link with this same one file to a single external 16TB drive. So I'm confident this should be getting equal or better performance. I've notice that the device is not using cache, but even direct to disk it should be able to handle this as the drive can hit over 120/MBs for a synchronous write. I've noticed that when I use another machine to transfer a single file, which looks to be hitting a different disk, it still only hits 600-700Mbps. Is there something wrong with the setup? unraid-diagnostics-20220918-2320.zip

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