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UIS平台输入主机逻辑磁盘缓存异常处理

【故障现象】

频繁输出

【故障原因】

主机逻辑磁盘缓存异常告警,可能原因:

  • 逻辑磁盘缓存不符合打开或者关闭要求;
  • 逻辑磁盘缓存损坏。

【解决方法一】

在uis底层将各逻辑盘缓存按要求关闭或打开;LSI 型号卡的命令为例
1.输入如下命令查看逻辑磁盘的信息,c0表示control 号为0,获取control 号的命令在开局手册

/opt/MegaRAID/storcli/storcli64 /c0 /vall show all
[root@cvknode2 ~]# /opt/MegaRAID/storcli/storcli64 /c0 /vall show all
CLI Version = 007.1506.0000.0000 Aug 11, 2020
Operating system = Linux 4.14.131-generic
Controller = 0
Status = Success
Description = None
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

/c0/v0 :
======

---------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC       Size Name 
---------------------------------------------------------------
0/0   RAID1 Optl  RW     No      RWBD  -   ON  558.406 GB      
---------------------------------------------------------------

VD=Virtual Drive| DG=Drive Group|Rec=Recovery
Cac=CacheCade|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|dflt=Default|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency

PDs for VD 0 :
============

------------------------------------------------------------------------------
EID:Slt DID State DG       Size Intf Med SED PI SeSz Model            Sp Type 
------------------------------------------------------------------------------
23:1     21 Onln   0 558.406 GB SAS  HDD N   N  512B AL15SEB060N      U  -    
23:0     22 Onln   0 558.406 GB SAS  HDD N   N  512B AL15SEB060N      U  -    
------------------------------------------------------------------------------

EID=Enclosure Device ID|Slt=Slot No.|DID=Device ID|DG=DriveGroup
DHS=Dedicated Hot Spare|UGood=Unconfigured Good|GHS=Global Hotspare
UBad=Unconfigured Bad|Sntze=Sanitize|Onln=Online|Offln=Offline|Intf=Interface
Med=Media Type|SED=Self Encryptive Drive|PI=Protection Info
SeSz=Sector Size|Sp=Spun|U=Up|D=Down|T=Transition|F=Foreign
UGUnsp=UGood Unsupported|UGShld=UGood shielded|HSPShld=Hotspare shielded
CFShld=Configured shielded|Cpybck=CopyBack|CBShld=Copyback Shielded
UBUnsp=UBad Unsupported|Rbld=Rebuild

VD0 Properties :
==============
Strip Size = 256 KB
Number of Blocks = 1171062784
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 2
Write Cache(initial setting) = WriteBack
Disk Cache Policy = Disabled
Encryption = None
Data Protection = Disabled
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sda
Creation Date = 20-04-2022
Creation Time = 12:38:33 PM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 600605b00f98c8d029f2bb49173ca456
Unmap Enabled = N/A
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

/c0/v1 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name 
-------------------------------------------------------------
1/1   RAID0 Optl  RW     Yes     RWBD  -   ON  3.637 TB      
-------------------------------------------------------------

VD=Virtual Drive| DG=Drive Group|Rec=Recovery
Cac=CacheCade|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|dflt=Default|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency

PDs for VD 1 :
============

-------------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model               Sp Type 
-------------------------------------------------------------------------------
23:2     24 Onln   1 3.637 TB SATA HDD N   N  512B ST4000NM0115-1YZ107 U  -    
-------------------------------------------------------------------------------

EID=Enclosure Device ID|Slt=Slot No.|DID=Device ID|DG=DriveGroup
DHS=Dedicated Hot Spare|UGood=Unconfigured Good|GHS=Global Hotspare
UBad=Unconfigured Bad|Sntze=Sanitize|Onln=Online|Offln=Offline|Intf=Interface
Med=Media Type|SED=Self Encryptive Drive|PI=Protection Info
SeSz=Sector Size|Sp=Spun|U=Up|D=Down|T=Transition|F=Foreign
UGUnsp=UGood Unsupported|UGShld=UGood shielded|HSPShld=Hotspare shielded
CFShld=Configured shielded|Cpybck=CopyBack|CBShld=Copyback Shielded
UBUnsp=UBad Unsupported|Rbld=Rebuild

VD1 Properties :
==============
Strip Size = 256 KB
Number of Blocks = 7812939776
VD has Emulated PD = Yes
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteBack
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = Disabled
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sdb
Creation Date = 21-04-2022
Creation Time = 01:55:34 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 600605b00f98c8d029f376161f40e384
Unmap Enabled = N/A
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

/c0/v2 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name 
-------------------------------------------------------------
2/2   RAID0 Optl  RW     Yes     RWBD  -   ON  3.637 TB      
-------------------------------------------------------------

VD=Virtual Drive| DG=Drive Group|Rec=Recovery
Cac=CacheCade|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|dflt=Default|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency

PDs for VD 2 :
============

-------------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model               Sp Type 
-------------------------------------------------------------------------------
23:3     27 Onln   2 3.637 TB SATA HDD N   N  512B ST4000NM0115-1YZ107 U  -    
-------------------------------------------------------------------------------

EID=Enclosure Device ID|Slt=Slot No.|DID=Device ID|DG=DriveGroup
DHS=Dedicated Hot Spare|UGood=Unconfigured Good|GHS=Global Hotspare
UBad=Unconfigured Bad|Sntze=Sanitize|Onln=Online|Offln=Offline|Intf=Interface
Med=Media Type|SED=Self Encryptive Drive|PI=Protection Info
SeSz=Sector Size|Sp=Spun|U=Up|D=Down|T=Transition|F=Foreign
UGUnsp=UGood Unsupported|UGShld=UGood shielded|HSPShld=Hotspare shielded
CFShld=Configured shielded|Cpybck=CopyBack|CBShld=Copyback Shielded
UBUnsp=UBad Unsupported|Rbld=Rebuild

VD2 Properties :
==============
Strip Size = 256 KB
Number of Blocks = 7812939776
VD has Emulated PD = Yes
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteBack
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = Disabled
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sdc
Creation Date = 21-04-2022
Creation Time = 01:55:54 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 600605b00f98c8d029f3762a2072e244
Unmap Enabled = N/A

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/c0/v3 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name 
-------------------------------------------------------------
3/3   RAID0 Optl  RW     Yes     RWBD  -   ON  3.637 TB      
-------------------------------------------------------------

VD=Virtual Drive| DG=Drive Group|Rec=Recovery
Cac=CacheCade|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|dflt=Default|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency

PDs for VD 3 :
============

-------------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model               Sp Type 
-------------------------------------------------------------------------------
23:4     25 Onln   3 3.637 TB SATA HDD N   N  512B ST4000NM0115-1YZ107 U  -    
-------------------------------------------------------------------------------

EID=Enclosure Device ID|Slt=Slot No.|DID=Device ID|DG=DriveGroup
DHS=Dedicated Hot Spare|UGood=Unconfigured Good|GHS=Global Hotspare
UBad=Unconfigured Bad|Sntze=Sanitize|Onln=Online|Offln=Offline|Intf=Interface
Med=Media Type|SED=Self Encryptive Drive|PI=Protection Info
SeSz=Sector Size|Sp=Spun|U=Up|D=Down|T=Transition|F=Foreign
UGUnsp=UGood Unsupported|UGShld=UGood shielded|HSPShld=Hotspare shielded
CFShld=Configured shielded|Cpybck=CopyBack|CBShld=Copyback Shielded
UBUnsp=UBad Unsupported|Rbld=Rebuild

VD3 Properties :
==============
Strip Size = 256 KB
Number of Blocks = 7812939776
VD has Emulated PD = Yes
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteBack
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = Disabled
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sdd
Creation Date = 21-04-2022
Creation Time = 01:56:13 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 600605b00f98c8d029f3763d219821fc
Unmap Enabled = N/A

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/c0/v4 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name 
-------------------------------------------------------------
4/4   RAID0 Optl  RW     Yes     RWBD  -   ON  3.637 TB      
-------------------------------------------------------------

VD=Virtual Drive| DG=Drive Group|Rec=Recovery
Cac=CacheCade|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|dflt=Default|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency

PDs for VD 4 :
============

-------------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model               Sp Type 
-------------------------------------------------------------------------------
23:5     31 Onln   4 3.637 TB SATA HDD N   N  512B ST4000NM0115-1YZ107 U  -    
-------------------------------------------------------------------------------

EID=Enclosure Device ID|Slt=Slot No.|DID=Device ID|DG=DriveGroup
DHS=Dedicated Hot Spare|UGood=Unconfigured Good|GHS=Global Hotspare
UBad=Unconfigured Bad|Sntze=Sanitize|Onln=Online|Offln=Offline|Intf=Interface
Med=Media Type|SED=Self Encryptive Drive|PI=Protection Info
SeSz=Sector Size|Sp=Spun|U=Up|D=Down|T=Transition|F=Foreign
UGUnsp=UGood Unsupported|UGShld=UGood shielded|HSPShld=Hotspare shielded
CFShld=Configured shielded|Cpybck=CopyBack|CBShld=Copyback Shielded
UBUnsp=UBad Unsupported|Rbld=Rebuild

VD4 Properties :
==============
Strip Size = 256 KB
Number of Blocks = 7812939776
VD has Emulated PD = Yes
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteBack
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = Disabled
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sde
Creation Date = 21-04-2022
Creation Time = 01:56:32 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 600605b00f98c8d029f3765022bca12e
Unmap Enabled = N/A
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

/c0/v5 :
======

---------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC       Size Name 
---------------------------------------------------------------
5/5   RAID0 Optl  RW     Yes     RWBD  -   ON  446.625 GB      
---------------------------------------------------------------

VD=Virtual Drive| DG=Drive Group|Rec=Recovery
Cac=CacheCade|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|dflt=Default|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency

PDs for VD 5 :
============

---------------------------------------------------------------------------------------
EID:Slt DID State DG       Size Intf Med SED PI SeSz Model                     Sp Type 
---------------------------------------------------------------------------------------
23:6     32 Onln   5 446.625 GB SATA SSD N   N  512B Micron_5200_MTFDDAK480TDC U  -    
---------------------------------------------------------------------------------------

EID=Enclosure Device ID|Slt=Slot No.|DID=Device ID|DG=DriveGroup
DHS=Dedicated Hot Spare|UGood=Unconfigured Good|GHS=Global Hotspare
UBad=Unconfigured Bad|Sntze=Sanitize|Onln=Online|Offln=Offline|Intf=Interface
Med=Media Type|SED=Self Encryptive Drive|PI=Protection Info
SeSz=Sector Size|Sp=Spun|U=Up|D=Down|T=Transition|F=Foreign
UGUnsp=UGood Unsupported|UGShld=UGood shielded|HSPShld=Hotspare shielded
CFShld=Configured shielded|Cpybck=CopyBack|CBShld=Copyback Shielded
UBUnsp=UBad Unsupported|Rbld=Rebuild

VD5 Properties :
==============
Strip Size = 256 KB
Number of Blocks = 936640512
VD has Emulated PD = Yes
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteBack
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = Disabled
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sdf
Creation Date = 21-04-2022
Creation Time = 01:56:53 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 600605b00f98c8d029f3766523fcc7e3
Unmap Enabled = N/A

从V0到V5共6个RAID。

2.查看各逻辑盘缓存状态信息

/opt/MegaRAID/storcli/storcli64 /c0 /vall show all  |grep "Write Cache"
[root@cvknode2 ~]# /opt/MegaRAID/storcli/storcli64 /c0 /vall show all  |grep "Write Cache"
Write Cache(initial setting) = WriteBack
Write Cache(initial setting) = WriteBack
Write Cache(initial setting) = WriteBack
Write Cache(initial setting) = WriteBack
Write Cache(initial setting) = WriteBack
Write Cache(initial setting) = WriteBack

3.这里需要将第六个逻辑盘关闭缓存,输入一下命令

/opt/MegaRAID/storcli/storcli64 /c0 /v5 set wrcache=wt

OK,大功告成

【解决方法二】

在WEB界面进行一键巡检后修复

巡检完成后点右上角修复故障

到此修复完成✅

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