We're facing a problem of very slow performance with an S2D three node cluster
Lenovo SR650 7X05
Windows Server 2019 17738
384Gb RAM
4 HDD 6TB ST6000NM0115
2 NVMe 900GB PX04PMB096
2 Mellanox ConnectX-4
The only clue is this "Threshold Exceeded" warning on two of the NVMe physical disks:
Get-PhysicalDisk
DeviceId FriendlyName SerialNumber MediaType CanPool OperationalStatus HealthStatus Usage
-------- ------------ ------------ --------- ------- ----------------- ------------ -----
0 ThinkSystem M.2 VD b344a54d77360010 Unspecified False OK Healthy Auto-Select
2002 ATA ST6000NM0115 ZAD29F2X HDD False OK Healthy Auto-Select
2005 PX04PMB096 8CE3_8E07_0503_B800. SSD False {OK, Threshold Exceeded} Healthy Journal
3006 PX04PMB096 8CE3_8E07_0503_D600. SSD False {OK, Threshold Exceeded} Healthy Journal
3004 ATA ST6000NM0115 ZAD29YNC HDD False OK Healthy Auto-Select
3002 ATA ST6000NM0115 ZAD29V4X HDD False OK Healthy Auto-Select
2006 PX04PMB096 8CE3_8E07_0503_C000. SSD False OK Healthy Journal
1006 PX04PMB096 8CE3_8E07_0503_D200. SSD False OK Healthy Journal
3003 ATA ST6000NM0115 ZAD29S6W HDD False OK Healthy Auto-Select
1004 ATA ST6000NM0115 ZAD29SE4 HDD False OK Healthy Auto-Select
2004 ATA ST6000NM0115 ZAD29VAR HDD False OK Healthy Auto-Select
2003 ATA ST6000NM0115 ZAD29SMK HDD False OK Healthy Auto-Select
3001 ATA ST6000NM0115 ZAD29YL6 HDD False OK Healthy Auto-Select
2001 ATA ST6000NM0115 ZAD29YK2 HDD False OK Healthy Auto-Select
1003 ATA ST6000NM0115 ZAD29Z0A HDD False OK Healthy Auto-Select
1001 ATA ST6000NM0115 ZAD06HEJ HDD False OK Healthy Auto-Select
3005 PX04PMB096 8CE3_8E07_0503_D100. SSD False OK Healthy Journal
1005 PX04PMB096 8CE3_8E07_0503_D300. SSD False OK Healthy Journal
1002 ATA ST6000NM0115 ZAD29YQ5 HDD False OK Healthy Auto-Select
Testing the disks with Lenovo SSD tool I see that the Life Remaining of the disks is still at 99%:
(c)Copyright Lenovo 2016.
Portions (c)Copyright IBM Corporation.
SSDCLI -- Display SMART Info v:7.3.2[Tue Jan 9 15:24:37 2018]
-------------------------------------------------------------------------
1 PN:00YK145-01GT679 SN:S3YAM3EN FW:300BT11L
Number bytes written to SSD: 98028.9GB
Number bytes supported by warranty: 17520000GB
Life Remaining Gauge: 99%
SSD temperature:22(c) Spec Max: 70(c)
PFA trip: No
Warranty Exceed:No
2 PN:00YK145-01GT679 SN:S3YAM3FN FW:300BT11L
Number bytes written to SSD: 96597.2GB
Number bytes supported by warranty: 17520000GB
Life Remaining Gauge: 99%
SSD temperature:22(c) Spec Max: 70(c)
PFA trip: No
Warranty Exceed:No
2 Device(s) Found(SATA:0 SAS:0 NVME:2)
Any help is really appreciated
Alex
