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RAID Repair failed Disk
Compaq Proliant ML330 with an integrated IDE RAID system. (Shows up as
Integrated Ultra ATA-100 IDE RAID Controller in hardware properties.) One of the two drives has failed, and the system is running in "degraded mode". Raid BIOS Config. shows Raid 0 disk failed and Raid 1 disk normal. OS: Windows 2000 Advance Server. I've serviced other RAID systems but am not familiar with this particular hardware, and have not found very useful documentation. I would appreciate any advice re. how to best replace the failed disk and rebuild the array. Particularly, I'm not clear on whether this can be done without to reinstall the OS and restore backups. -- |
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On Fri, 12 Mar 2004 16:07:56 GMT, "GTS" wrote:
Compaq Proliant ML330 with an integrated IDE RAID system. (Shows up as Integrated Ultra ATA-100 IDE RAID Controller in hardware properties.) One of the two drives has failed, and the system is running in "degraded mode". Raid BIOS Config. shows Raid 0 disk failed and Raid 1 disk normal. OS: Windows 2000 Advance Server. I've serviced other RAID systems but am not familiar with this particular hardware, and have not found very useful documentation. I would appreciate any advice re. how to best replace the failed disk and rebuild the array. Particularly, I'm not clear on whether this can be done without to reinstall the OS and restore backups. Identify the RAID controller and check it's specs. It's possible it could rebuild the array as a menu choice but most also have a utility (downloadable from the website of (any manufacturer of same chipset card)) for windows that'll handle that. Or you could see if Compaq has it... this might be what you want: http://h18004.www1.hp.com/support/fi...oad/18465.html Though, that or an older version of it might already be installed. |
#3
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You can NOT restore from a two disk RAID 0 array. You'll have to replace
the bad drive, format, and install the OS. Then, install your data from your backup. -- DaveW "GTS" wrote in message ... Compaq Proliant ML330 with an integrated IDE RAID system. (Shows up as Integrated Ultra ATA-100 IDE RAID Controller in hardware properties.) One of the two drives has failed, and the system is running in "degraded mode". Raid BIOS Config. shows Raid 0 disk failed and Raid 1 disk normal. OS: Windows 2000 Advance Server. I've serviced other RAID systems but am not familiar with this particular hardware, and have not found very useful documentation. I would appreciate any advice re. how to best replace the failed disk and rebuild the array. Particularly, I'm not clear on whether this can be done without to reinstall the OS and restore backups. -- |
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Here's what's confusing the heck out of me. The RAID config utility shows:
Array # Mode Stripe Size No of Stripes Array Size Status 00 Raid 1 [Blank] 01 38164MB DEGRADED 01 Raid 0 64KB 01 38164MB ONLINE The system has two hard drives total, and shows a C and E drive each 40MB. Data is accessible on both. (The CD drive is D: - I have no idea why it was originally set up this way.) The 2 hard drives are both 40GB drives (per checking actual specs) and are connected as primary and slave off of one of the 2 IDE connectors on the RAID card. (The other has nothing connected.) Given these drive and partition sizes, I could understand both being RAID 0 drives , but not how one could be RAID 0 and the other RAID 1. Compaq's "spy" monitor reports a failed drive. (The vendor who originally installed this system did some other strange things, and this doesn't seem like a normal setup.) I'd greatly appreciate any further thoughts. "mhaase-at-springmind.com" mhaase-at-springmind.com@ wrote in message ... On Fri, 12 Mar 2004 16:01:44 -0800, "DaveW" wrote: You can NOT restore from a two disk RAID 0 array. You'll have to replace the bad drive, format, and install the OS. Then, install your data from your backup. It may not BE a RAID 0 array. The numbers 0 & 1 in the OP's question may indicate the two disks of a RAID 1 array. In which case he should be able to replace the failed drive and let the RAID/Mirror rebuild. Since he says the system is *running* (in degraded mode), I'd suspect that's the case. "GTS" wrote in message ... Compaq Proliant ML330 with an integrated IDE RAID system. (Shows up as Integrated Ultra ATA-100 IDE RAID Controller in hardware properties.) One of the two drives has failed, and the system is running in "degraded mode". Raid BIOS Config. shows Raid 0 disk failed and Raid 1 disk normal. OS: Windows 2000 Advance Server. I've serviced other RAID systems but am not familiar with this particular hardware, and have not found very useful documentation. I would appreciate any advice re. how to best replace the failed disk and rebuild the array. Particularly, I'm not clear on whether this can be done without to reinstall the OS and restore backups. -- Stat: 1 Num: 1965 UID: 13 |
#5
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"kony" wrote in message
... On Fri, 12 Mar 2004 16:07:56 GMT, "GTS" wrote: Compaq Proliant ML330 with an integrated IDE RAID system. (Shows up as Integrated Ultra ATA-100 IDE RAID Controller in hardware properties.) One of the two drives has failed, and the system is running in "degraded mode". Raid BIOS Config. shows Raid 0 disk failed and Raid 1 disk normal. OS: Windows 2000 Advance Server. I've serviced other RAID systems but am not familiar with this particular hardware, and have not found very useful documentation. I would appreciate any advice re. how to best replace the failed disk and rebuild the array. Particularly, I'm not clear on whether this can be done without to reinstall the OS and restore backups. Identify the RAID controller and check it's specs. It's possible it could rebuild the array as a menu choice but most also have a utility (downloadable from the website of (any manufacturer of same chipset card)) for windows that'll handle that. Or you could see if Compaq has it... this might be what you want: http://h18004.www1.hp.com/support/fi...oad/18465.html Though, that or an older version of it might already be installed. Thanks. I do have the rebuild utility. It's in the Raid card BIOS and I did recently bring it up to date from a Compaq update pack. I'm concerned re. running the rebuild option though because it appears that in will rebuild the mirror from the primary drive only and it is the primary that is bad. I found some doc. re. the utility but it's very unclear on this situation. I think I'm just going to have to do multiple backups to be prepared in case of failure, and try it. |
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