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Questions tagged [3ware]

3ware are SATA and SAS RAID controller cards from LSI

101 questions
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4 answers

RAID-6: better to replace two dead drives at the same time, or one at a time?

We have a 16-drive RAID-6 that has three problem drives. Two are already dead, and the third is giving SMART warnings. (Nevermind how it got in such a bad state.) Obviously we want to replace the dead drives before the one that is still working, but…
Warren Young
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4 answers

3Ware RAID6 array sometimes hanging. Undetected broken disk?

We have a Debian server with 3Ware 9650SE 8-drive RAID controller, with 5 disk RAID6 array, acting as virtual machine host, all Linux. Problems keep occurring and I suspect an undetected broken disk. We have had several crashes now where both host…
Halfgaar
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3 answers

What does 3Ware's tw_cli mean by a "DEGRADED" disk vs "ECC-ERROR"?

I've got a sad RAID array on a 3ware 9650SE-16ML card. What I can't tell is if I've just suffered a double-disk failure (bummer!) or if I'm reading this wrong. The relavent output of /c0 show all is: Port Status Unit Size …
Bill Weiss
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1 answer

Disk size addressable by the OS

I have a 3ware 9550SXU-12 storage controller and 750G disks connected to it. The disks are configured as single units (not JBOD). I've been running some performance tests, mainly to see the impact of partition alignment, encryption, raid level, etc.…
Marcin Kaminski
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3 answers

Can a 3ware 9500S-4LP controller use 3TB drives?

We have a Rackable Systems server used for backup storage. Recently we purchased a couple 3TB drives to expand the storage, but they are only showing a capacity of 746.52 GB as reported by 3ware's tw_cli utility and the 3ware card's BIOS. I have…
jimp
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1 answer

Dealing with CONFIG FAILURE on fresh drive (3ware / LSI RAID)

This is not about DRIVE failure. It's about drive CONFIG failure. I bought 3 brand new drives for my server, because existing ones have worked for over 4 years and one of them is failing (shows ECC ERROR or DEGRADE). I'm always able to rebuild array…
Kitet
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4 answers

Flashing the Firmware on a 3ware 9650SE RAID controller

I've downloaded the required files to flash the firmware on my RAID controller I have also read the KB article:http://www.3ware.com/KB/article.aspx?id=10058 However it is not particularly clear - I do not have an OS installed yet, so how can I flash…
alex
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1 answer

3Ware 9650SE RAID-6, two degraded drives, one ECC, rebuild stuck

This morning I came in the office to discover that two of the drives on a RAID-6, 3ware 9650SE controller were marked as degraded and it was rebuilding the array. After getting to about 4%, it got ECC errors on a third drive (this may have happened…
cswingle
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1 answer

I have a 21TB array but only 16TB is visible from Windows

CONTROLLER Raid Controller: 3Ware 9650SE-24M8 Disks: 21 x 1TB RAID5 Stripe 64KB WINDOWS OS: Windows Server 2003 SP2 32x Disk: Dynamic 19557.44GB Volume: Capacity 15832.19GB I guess my array must have a 4KB block size which is limiting it to…
Relentim
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2 answers

How to identify failed drive/port on 3ware card

I have a 3ware 9650-SE controller with 2 drives in RAID-1 configuration. The drive on "port 1" has an error but the drive cages aren't labeled. I tried using the cli to "identify" the drive but tw_cli just spits out "N/A". I thought this might blink…
Server Fault
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3 answers

3ware: Add a drive to a RAID unit

I have a 3ware RAID controller running a RAID-6. I manage the RAID via the tw_cli command line utility. So, one drive in the array failed, and I removed the faulty drive (p6) from the array, and then inserted a new drive. For some reason, the…
Siler
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1 answer

Ubuntu: Monitor hardware RAID and notify upon failure?

I am using the 3ware 9650SE-2LP Raid controller for a 2-drive RAID 1 setup in some new Ubuntu 10.04 x64 servers. Is there a way for the server to send me a notification when one of the drives fails? I would prefer an e-mail notification if…
Andrew Ensley
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how do you mount and format /dev/sda to a different /dev/ name?

We have linux box running fedora. It has a small laptop hard drive running the OS and a 3ware RAID controller running 3 SATA drives RAID 5. When we boot the computer and login, I run “fdisk –l” and it lists all the hda partitions. No /dev/sda. …
phill
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Extending a live 3Ware RAID6 array in Linux with tw_cli

I have a Debian Linux machine with a 3Ware 9650SE RAID controller with a RAID6 array. tw_cli show this: Unit UnitType Status %RCmpl %V/I/M Port Stripe …
Halfgaar
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3 answers

Disk wipe preferences

I manage a pool of systems that are loaded with software and sent to potential customers for evaluations which often land sensitive information on the drives. Before shipping them back, they typically like a standard wipe to be run to clean out the…
hmvm123
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