MegaCliを使用して外れてしまったRAID5のディスクを再復帰させる

HDDに使用している電源ケーブルの不良で稼働中にHDDの電源が落ちてしまい、
自動では復旧してくれなかったので手動修正することにします。

先ずは下記コマンドで全体の状況を確認してみます。(長いので一部のみ記載します)

[sourcecode][root@nas GomenneGomenne-]# storcli /c0 show all
Drive Groups = 1

TOPOLOGY :
========

————————————————————————-
DG Arr Row EID:Slot DID Type State BT Size PDC PI SED DS3 FSpace
————————————————————————-
0 – – – – RAID5 Dgrd N 12.731 TB enbl N N dflt N
0 0 – – – RAID5 Dgrd N 12.731 TB enbl N N dflt N
0 0 0 252:0 2 DRIVE Onln N 1.818 TB enbl N N dflt –
0 0 1 252:1 3 DRIVE Onln N 1.818 TB enbl N N dflt –
0 0 2 252:2 1 DRIVE Onln N 1.818 TB enbl N N dflt –
0 0 3 252:4 11 DRIVE Onln N 1.818 TB enbl N N dflt –
0 0 4 252:5 10 DRIVE Onln N 1.818 TB enbl N N dflt –
0 0 5 252:3 0 DRIVE Onln N 1.818 TB enbl N N dflt –
0 0 6 252:6 12 DRIVE Onln N 1.818 TB enbl N N dflt –
0 0 7 – – DRIVE Msng – 1.818 TB – – – – –
————————————————————————-

DG=Disk Group Index|Arr=Array Index|Row=Row Index|EID=Enclosure Device ID
DID=Device ID|Type=Drive Type|Onln=Online|Rbld=Rebuild|Dgrd=Degraded
Pdgd=Partially degraded|Offln=Offline|BT=Background Task Active
PDC=PD Cache|PI=Protection Info|SED=Self Encrypting Drive|Frgn=Foreign
DS3=Dimmer Switch 3|dflt=Default|Msng=Missing|FSpace=Free Space Present

Virtual Drives = 1

VD LIST :
=======

———————————————————–
DG/VD TYPE State Access Consist Cache sCC Size Name
———————————————————–
0/0 RAID5 Dgrd RW Yes NRAWBC – 12.731 TB
———————————————————–

Cac=CacheCade|Rec=Recovery|OfLn=OffLine|Pdgd=Partially Degraded|dgrd=Degraded
Optl=Optimal|RO=Read Only|RW=Read Write|HD=Hidden|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

Physical Drives = 8

PD LIST :
=======

—————————————————————————
EID:Slt DID State DG Size Intf Med SED PI SeSz Model Sp
—————————————————————————
252:0 2 Onln 0 1.818 TB SATA HDD N N 512B WDC WD20EFRX-68EUZN0 U
252:1 3 Onln 0 1.818 TB SATA HDD N N 512B WDC WD20EFRX-68AX9N0 U
252:2 1 Onln 0 1.818 TB SATA HDD N N 512B WDC WD20EFRX-68EUZN0 U
252:3 0 Onln 0 1.818 TB SATA HDD N N 512B WDC WD20EFRX-68EUZN0 U
252:4 11 Onln 0 1.818 TB SATA HDD N N 512B WDC WD20EFRX-68AX9N0 U
252:5 10 Onln 0 1.818 TB SATA HDD N N 512B WDC WD20EFRX-68EUZN0 U
252:6 12 Onln 0 1.818 TB SATA HDD N N 512B TOSHIBA DT01ACA200 U
252:7 13 UBad F 1.818 TB SATA HDD N N 512B TOSHIBA DT01ACA200 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|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-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded[/sourcecode]

この段階で確認出来るのが、
DG0、Arr0、Row7のDiskがFailed
RAID5構成のVirtual DrivesがDegraded
Enclosure Device ID 252番、Slotが7番がUnconfigured Bad
続きを読む MegaCliを使用して外れてしまったRAID5のディスクを再復帰させる