Unable to "un-degrade" a RAID-5 on a PERC 3/Di
Patrick_Boyd at Dell.com
Patrick_Boyd at Dell.com
Tue Apr 8 09:16:12 CDT 2008
Have you tried assigning the new disk as a hotspare?
From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Mark Baxter
Sent: Tuesday, April 08, 2008 3:28 AM
To: linux-poweredge-Lists
Subject: RE: Unable to "un-degrade" a RAID-5 on a PERC 3/Di
Rather than using the web front end I've been dealing with omreport and omconfig, yet I still can't seem to convince the machine to rebuild the RAID-5.
These are the physical disks
Controller PERC 3/Di (Embedded)
ID : 0:0
Status : Ok
Name : Physical Disk 0:0
State : Ready
Failure Predicted : No
Progress : Not Applicable
Type : SCSI
Capacity : 68.36 GB (73398812672 bytes)
Used RAID Disk Space : 0.00 GB (0 bytes)
Available RAID Disk Space : 68.36 GB (73398812672 bytes)
Hot Spare : No
Vendor ID : MAXTOR
Product ID : ATLAS15K_73SCA
Revision : DTA0
Serial No. : C80C9Y0K
Negotiated Speed : Not Available
Capable Speed : Not Available
Manufacture Day : Not Available
Manufacture Week : Not Available
Manufacture Year : Not Available
SAS Address : Not Available
ID : 0:1
Status : Ok
Name : Physical Disk 0:1
State : Online
Failure Predicted : No
Progress : Not Applicable
Type : SCSI
Capacity : 68.36 GB (73398812672 bytes)
Used RAID Disk Space : 68.36 GB (73398812672 bytes)
Available RAID Disk Space : 0.00 GB (0 bytes)
Hot Spare : No
Vendor ID : MAXTOR
Product ID : ATLAS15K_73SCA
Revision : DTA0
Serial No. : C80D3MPK
Negotiated Speed : Not Available
Capable Speed : Not Available
Manufacture Day : Not Available
Manufacture Week : Not Available
Manufacture Year : Not Available
SAS Address : Not Available
ID : 0:2
Status : Ok
Name : Physical Disk 0:2
State : Online
Failure Predicted : No
Progress : Not Applicable
Type : SCSI
Capacity : 68.36 GB (73398812672 bytes)
Used RAID Disk Space : 68.36 GB (73398812672 bytes)
Available RAID Disk Space : 0.00 GB (0 bytes)
Hot Spare : No
Vendor ID : MAXTOR
Product ID : ATLAS15K_73SCA
Revision : DTA0
Serial No. : C80D2H1K
Negotiated Speed : Not Available
Capable Speed : Not Available
Manufacture Day : Not Available
Manufacture Week : Not Available
Manufacture Year : Not Available
SAS Address : Not Available
Which go together to form this:
Controller PERC 3/Di (Embedded)
ID : 0
Status : Non-Critical
Name : Redhat _
State : Degraded
Progress : Not Applicable
Layout : RAID-5
Size : 136.72 GB (146797756416 bytes)
Device Name : /dev/sde
Type : SCSI
Read Policy : Read Cache Enabled
Write Policy : Write Cache Enabled Protected
Cache Policy : Not Applicable
Stripe Element Size : 64 KB
If I attempt to do a reconfigure using the original three physical disks, so as to bring the non-online (but ready) disk "back into the fold" I get this:
omconfig storage vdisk action=reconfigure controller=0 vdisk=0 raid=r5 size=max pdisk=0:0,0:1,0:2
Operation disabled. Read, action=reconfigure
.Refer to the documentation for more information.
Has anyone got any tips as to what I can do to convince this RAID5 to rebuild?
________________________________
Mark Baxter
OnDemand Administrator, Visma Proceedo AB
Switchboard : +46 8 522 930 30 - Direct : +46 8 522 930 60 - Mobile : +46 73 978 92 60 - Fax : +46 8 58 88 48 29
________________________________
________________________________
From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Mark Baxter
Sent: den 7 april 2008 09:55
To: linux-poweredge at dell.com
Subject: Unable to "un-degrade" a RAID-5 on a PERC 3/Di
Hi,
I've got a PowerEdge 2650 here with a RAID-5 on a PERC 3/Di made up of three 68.36GB disks which has degraded. The disk that was causing the issues has been repaired and is sitting in state "Ready" but I just can't seem to be able to convince the machine to rebuild the RAID-5. Instead all I seem to be able to do (using Server Administrator 5.1.0, with the server running RHEL 3) is set the repaired disk to be a Dedicated Hot Spare. Everything I have read online seems to suggest that setting the disk to a dedicated hot spare would trigger the server to rebuild the RAID-5, a process which should take a few hours, but it has now been in this state for three or four days with no change.
Does anyone know how I can convince this machine to restore itself to a full RAID-5 again?
Thanks in advance for any help.
________________________________
Mark Baxter
OnDemand Administrator
Visma Proceedo AB
Rålambsvägen 17, vån 12, S-112 59 Stockholm, Sweden
Switchboard
: +46 8 522 930 30
Direct
: +46 8 522 930 60
Mobile
: +46 73 978 92 60
Fax
: +46 8 58 88 48 29
Internet
: http://www.vismaproceedo.com <http://www.vismaproceedo.com/>
E-mail
: mark.baxter at visma.com
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________________________________
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