А вот продолжение истории
Решил попробовать вставить другой диск. Диск у меня был только 2TB. Контроллер его физически сразу увидел. Радостно на нем маргнула несколько раз синяя лампочка.
Смотрим консоль.
teradata:~ # tw_cli /c4 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 DEGRADED - - 256K 6519.19 Ri ON
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 931.51 GB SATA 0 - ST31000340NS
p1 OK u0 931.51 GB SATA 1 - ST31000340NS
p2 OK u0 931.51 GB SATA 2 - ST31000340NS
p4 OK u0 931.51 GB SATA 4 - ST31000340NS
p5 OK u0 931.51 GB SATA 5 - ST31000340NS
p6 OK u0 931.51 GB SATA 6 - ST31000340NS
p7 OK u0 931.51 GB SATA 7 - ST31000340NS
teradata:~ # tw_cli /c4 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 REBUILDING 0% - 256K 6519.19 Ri ON
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 931.51 GB SATA 0 - ST31000340NS
p1 OK u0 931.51 GB SATA 1 - ST31000340NS
p2 OK u0 931.51 GB SATA 2 - ST31000340NS
p3 DEGRADED u0 1.82 TB SATA 3 - WDC WD20EARS-00MVWB0
p4 OK u0 931.51 GB SATA 4 - ST31000340NS
p5 OK u0 931.51 GB SATA 5 - ST31000340NS
p6 OK u0 931.51 GB SATA 6 - ST31000340NS
p7 OK u0 931.51 GB SATA 7 - ST31000340NS
teradata:~ # tw_cli maint rebuild c4 u0 p3
The following drive(s) cannot be used [3].
Error: (CLI:144) Invalid drive(s) specified.
teradata:~ # tw_cli maint remove c4 p3
Removing port /c4/p3 ... Done.
teradata:~ # tw_cli /c4 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 DEGRADED - - 256K 6519.19 Ri ON
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 931.51 GB SATA 0 - ST31000340NS
p1 OK u0 931.51 GB SATA 1 - ST31000340NS
p2 OK u0 931.51 GB SATA 2 - ST31000340NS
p4 OK u0 931.51 GB SATA 4 - ST31000340NS
p5 OK u0 931.51 GB SATA 5 - ST31000340NS
p6 OK u0 931.51 GB SATA 6 - ST31000340NS
p7 OK u0 931.51 GB SATA 7 - ST31000340NS
teradata:~ # tw_cli /c4 rescan
Rescanning controller /c4 for units and drives ...Done.
Found the following unit(s): [none].
Found the following drive(s): [/c4/p3].
teradata:~ # tw_cli /c4 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 DEGRADED - - 256K 6519.19 Ri ON
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 931.51 GB SATA 0 - ST31000340NS
p1 OK u0 931.51 GB SATA 1 - ST31000340NS
p2 OK u0 931.51 GB SATA 2 - ST31000340NS
p3 OK - 1.82 TB SATA 3 - WDC WD20EARS-00MVWB0
p4 OK u0 931.51 GB SATA 4 - ST31000340NS
p5 OK u0 931.51 GB SATA 5 - ST31000340NS
p6 OK u0 931.51 GB SATA 6 - ST31000340NS
p7 OK u0 931.51 GB SATA 7 - ST31000340NS
teradata:~ # tw_cli maint rebuild c4 u0 p3
Sending rebuild start request to /c4/u0 on 1 disk(s) [3] ... Done.
teradata:~ # tw_cli /c4 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 REBUILDING 0% - 256K 6519.19 Ri ON
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 931.51 GB SATA 0 - ST31000340NS
p1 OK u0 931.51 GB SATA 1 - ST31000340NS
p2 OK u0 931.51 GB SATA 2 - ST31000340NS
p3 DEGRADED u0 1.82 TB SATA 3 - WDC WD20EARS-00MVWB0
p4 OK u0 931.51 GB SATA 4 - ST31000340NS
p5 OK u0 931.51 GB SATA 5 - ST31000340NS
p6 OK u0 931.51 GB SATA 6 - ST31000340NS
p7 OK u0 931.51 GB SATA 7 - ST31000340NS
Обратим внимание идет REBUILDING массива, но диск в состоянии DEGRADED.
REBUILDING массива прошел за 4 часа 20 минут
И все стало так
teradata:~ # tw_cli /c4 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 OK - - 256K 6519.19 Ri ON
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 931.51 GB SATA 0 - ST31000340NS
p1 OK u0 931.51 GB SATA 1 - ST31000340NS
p2 OK u0 931.51 GB SATA 2 - ST31000340NS
p3 OK u0 1.82 TB SATA 3 - WDC WD20EARS-00MVWB0
p4 OK u0 931.51 GB SATA 4 - ST31000340NS
p5 OK u0 931.51 GB SATA 5 - ST31000340NS
p6 OK u0 931.51 GB SATA 6 - ST31000340NS
p7 OK u0 931.51 GB SATA 7 - ST31000340NS