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Questions tagged [3ware]

3ware are SATA and SAS RAID controller cards from LSI

100 questions
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RAID-5 inoperable, but no disk failure

Inheritted a system with a 3ware LSI 9750-8i having five disks and RAID-5. I see a message about "RAID-5 INOPERABLE" for u1 but see no disk failure for the only disk (p1) in the unit. Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) …
G. D'Seas
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3ware 9550SX on CentOS8

I'm trying to use a 3ware 9550SX controller on CentOS 8. lspci shows the controller, but lsblk doesn't list the exported drives. I've exported 2 drives, each as single drives, no RAID mode being used. Do I have a chance to use the drives? If so,…
Michael
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Boot Drive Not Found

I just recently upgraded the coolers on my Supermicro server and now it can't find the default boot device unless I unplug ALL of the drives except the boot drive. This system is an older Supermicro SC846, 24-drive bay, 4U machine. I took it out of…
Andrew
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3ware 9550SX RAID-10, one degraded drive, rebuild and initialization stuck

Question: Is there a way to force this to rebuild? I'm also toying with the idea of turning the system off and attempting to rebuild it in the 3ware controller BIOS. If I turn this system off in the present state will it come back up or will the…
Kenny
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LSI iBBU07 troubleshoot: BBU not detected?

I have bought a used LSI iBBU07 for my LSI 3ware SAS 9750-8i RAID card. And now the card cannot detect the BBU even though I have seemingly installed it correctly. I would like to know that: Is there any hope to troubleshoot this BBU? The BBU came…
Maxthon Chan
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The RAID array shows up as DEGRADED, but all drives are OK

The current RAID controller I am using is an AMCC 3ware 9690SA-8I SAS RAID Controller. I have just received this server unit used, and going into this blind; I have no idea how long it has been this way, nor what actions or steps were performed on…
IQAndreas
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3ware 9650se raid6 replaced with larger drives

I'have been running a setup with 8 drives, each 2TB by now (raid6). I started to build up the setup with 1.5TB drives back few years ago and slowly added and replaced all drives to 2 TB. Now the last rebuild has been done and wanted to upgrade the…
AndrewBoy
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RAID-6: Two drives failure with 3ware 9650SE

We have a 6-drive RAID-6 on one of our servers. Each drive is a 750GB Seagate, and they are connected with Hardware RAID card 3ware 9650SE. We do not have sparse drives. The system is old and probably is working for 2 years with this…
Ramyad
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Can I recreate a unit from a single drive RAID1 in a 3ware Raid controller?

I have a broken server and a broken disk on that same server on a RAID1 setup. I need to setup this same RAID unit, now on a new server, and from only 1 drive (since the other is broken). I moved the drive to a new server, also with 3ware…
nsn
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How to recover from raid 5 failure of 2 disks with tw_cli?

I have hardware raid 5 of 12 disks, 2 of them died and the data is not accessible anymore. I was told that even though 2 disks died, some of the data might be recoverable. My hosting provider replaced the bad disks with new ones (at start they…
Niros
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IO tasks easily starve eachother on 3Ware 9650SE

I have a server (Debian 6 LTS) with a 3Ware 9650 SE RAID controller. There are two arrays, one RAID1, one RAID6. It runs Xen 4.0, with about 18 DomUs. The problem is that I experience that IO tasks very easily starve each other. It happens when one…
Halfgaar
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Increasing the size of a 3ware 9650SE RAID5

These questions seemed similar, but they did not worK: Why is the 9650SE RAID1 not showing the full size of the disks? How can I increase the size of a RAID 1 array from 750GB to 1TB? 3ware Here is my RAID configuration from tw_cli /c0 show…
Kenneth
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RAID controller shows 2 arrays using the same disks

We have a server with a 3ware RAID controller that went into read-only mode today due to an aborted ext4 journal. I checked the RAID status and found the following strange configuration: //host> /c3/u1 show Unit UnitType Status %RCmpl …
user247108
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3ware raid controller does not get a proper reset signal after a reboot

I have a linux server that has a 3ware controller 9650SE-4LPML connected. Today, I migrated this server with all its disks and raid controller to a new motherboard + cpu + ram (gpu is also changed). The process was smooth apart from one repetitive…
nass
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3ware controller hotswap Linux

I have a server with a 3ware 9650SE controller running Debian. The tw_cli utility shows this: Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU ------------------------------------------------------------------------ c0 …
immoune
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