3ware are SATA and SAS RAID controller cards from LSI

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Unable to access 3ware 3dm2 web interface, failed to start listening socket

I am unable to get to the 3ware 3dm2 web interface. When I attempt to execute 3dm2 from the command line, i get the following error "(0x0C:0x0005): Failed to start listening socket". This was working ...
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HW Raid controller error

On one of my old servers when i was randomly checking for system messages /var/log/messages in this Redhat case. I came across this message Mar 9 12:11:46 app-prod kernel: 3w-9xxx: scsi0: ERROR: ...
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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 ...
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373 views

Move raid10 from LSI 9750-8i to 3ware 9650SE-8LPML

This is a little risky task I want to try. I have a 4 SATA III disks RAID10 array running on LSI (former 3ware) 9750-8i controller with BBU (read and write cache enabled). In case of hardware failure ...
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98 views

3ware array limited to 6TB in linux

I have a server with a 9650SE-24M8 in it. which has a 7x2TB drive RAID5 array. tw-cli shows the following: Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ...
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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 ...
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52 views

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> ...
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130 views

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 ...
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748 views

3ware raid controller splits raid array into two peices. what do do?

I have a server with a 3Ware 9650SE 8 port controller. I had an 8 drive raid 5 array with a hot spare drive as part of the array of roughly 3.87 TB in size. When I signed into the server today, I ...
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54 views

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 ...
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82 views

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 ...
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I can't seem to get a drive to boot off my RAID controller after cloning it

I don't know if this is normal but here's what I'm doing. I have a LSI 9650SE-ML12 RAID card, and I was running 2 drives on it in raid 1. I used Paragon HDD Manager to create a VD back up of the ...
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91 views

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 ...
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How can I increase the size of a RAID 1 array from 750GB to 1TB? 3ware

3ware 9650SE-2LP Array is 750GB volume, RAID 1. One drive is 750GB, the other is 1TB. Looking to replace the 750GB drive with a 1TB. Will the array rebuild to the max size of 1TB, or will the array ...
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2answers
201 views

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 ...
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100 views

3ware 97504i - Disk mappings/UUIDs change on reboot

I have a 3ware 9750-4i with 36 drives running (4 in RAID 10, rest individual drives, i.e JBOD). When I reboot, all the drives except for the RAID 10 array, have their UUIDs changed on reboot (it ...
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612 views

Does a 3ware “ECC-ERROR” matter on a JBOD when I have ZFS?

I have a FreeBSD 8.x machine running ZFS and with a 3ware 9690SA controller. The 3ware controller shows an ECC-ERROR with one of the disks: //host> /c0 show VPort Status Unit Size ...
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54 views

3ware 9500 stopped showing up in Linux

I was contacted by a client about this system that they're having trouble with. As the system boots, I can hit ALT + 3 to enter the 3ware bios and it shows the drives are available in an exportable ...
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768 views

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. ...
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58 views

Enclosure alarm with no reason

After a power-down, one of our raids enclosure (3ware) is on alarm, tw_cli /c8/e0 show alarms Alarm Status State Audibility ------------------------------------------------ alm0 ...
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114 views

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). ...
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67 views

First 500MB of RAID6 array is wiped, how to recover?

We have a RAID6 array with 12 disks on a 3ware 9650SE-12ML controller. An engineer of our server provider issued this command by mistake: sudo dd if=/dev/zero of=/dev/sde bs=1M count=500; sync; ...
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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 ...
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Will 3ware controllers continue to rebuild when I reboot the computer?

I am using a 3ware 9690SA-8I controller and one drive in my raid 6 hick uped and now the raid is rebuilding. Meanwhile I noticed I have an unfortunate combination of stupid programs and I need to ...
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3Ware 9500s Raid array not visible in Windows 7 x64 disk management - latest firmware and drivers

I bought a used 3Ware 9500s-4LP raid controller from Ebay (the old 3ware 8506-4lp didn't support RAID arrays over 2TB, but it was working), installed it in my server and attached it to the SATA ...
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Rebuilding array on 3ware 9690SA-8I

TL;DR version RAID10 array working fine Reboot server as part of maintenance Array inoperable (no access whatsoever) Controller logs say a single drive is bad Remove drive & test - no bad ...
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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 ...
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464 views

Change the Hard Drive in RAID using tw_cli while lustre file system is mounted

I've setup RAID-5 array disk, but recently one of the Hard drives is reallocating excessive sectors: (Reallocated Sectors = 323) # tw_cli /c0/p1 show all /c0/p1 Status = OK /c0/p1 Model = ...
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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 ...
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moving disks around on a 3ware raid controller , using tw_cli

I have a raid controller (9650SE-4LPML) I am unluckily in a rather crappy situation: Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ...
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Replacing 2 disks (raid 1) to a larger pair under a 3ware controller in linux

I have a 3ware 9650se with 2x 2TB disks in raid-1 topology. I recently replaced the disks with 2 larger (3TB) ones, one by one. The whole migration went smoothly. The problem I have now is, I don't ...
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4answers
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LSI 3Ware tw_cli and tdm2 segfault with Debian Linux kernels after 3.8

I have notified LSI support, twice, but so far they are unable to reproduce the problem. I wanted to post here to get some unbiased expert thoughts about it and see if anyone else has seen a similar ...
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474 views

Why can't I create a RAID 1 on my 3ware 9650SE-4LPML?

I have 4 2TB drives. I want to create a 4TB RAID 1 array. I select the 4 drives in the RAID BIOS, and try to create an array, but my only options are RAID 0, RAID 5, and RAID 10. This controller is ...
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install xenserver 6.2 on 3ware 9750 raid5

I would like to install XenServer 6.2 (kernel 2.6.32) on a raid5 managed by a 3ware 9750 controller. The XenServer installer doesn't recognize the raid5 and i think i have to load a driver for the ...
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1answer
686 views

3ware card in RAID-5 configuration slow and causes load when writing

I have a 1Gb/s bandwidth between my computers. The source can actually read and send data at 25MB/s via SSH. My test file is 4GB, I use scp without compression for the test transfer. The rate is ...
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464 views

3ware: Drive power on reset when trying to rebuild

I have a RAID bus controller: 3ware Inc 9550SX SATA-II RAID PCI-X with four disks, with the following current state: tw_cli> /c1 show Unit UnitType Status %RCmpl %V/I/M Stripe ...
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3ware 9500S-4LP raid-1 rebuild failed

After replacment of 2 failed drives on 3ware card i got this: Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU ...
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three disks with ECC errors on 3ware raid in two weeks

I have a server I maintain for a client, It's an Intel Nehalem based computer, so not new, but in working order. It has a 3ware 9650SE-24M8 card with 20 drives attached and 4 empty slots, configured ...
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3ware Raid Driver for Redhat

I am trying to install RedHat 5.6 64 bit on SuperMicro Server. And I created Raid5. But when I started the OS installation . Redhat prompted me to select the Driver for Raid which i downloaded. But it ...
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190 views

Grow 3ware raid 10 unit capacity

I have a 3ware 9750-8i setup with a 22 disk raid 10. We need to expand the unit's capacity and so I have replaced every drive in the unit with a larger one in two passes. Currently the unit is showing ...
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40 views

What happens if power (or another problema arises) during a RAID level upgrade?

I have a server with a 3ware RAID card in Raid 5 and I am currently on the process of converting to raid 6. My question is simple: if some problem arises like a power failure, one of the disks breaks ...
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3WARE 9650-4LPML JBOD DISK to RAID - 1 Mirror Migration How To?

It is possible to migrate a single disk, to Raid 1 as per Table 10 in the User Guide Page 122: http://www.3ware.com/support/UserDocs/3ware9650SE-UsrGuide.pdf I am trying to find what the best method ...
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458 views

Safely migrate from 3ware 9650SE-8LPML to a 3ware SAS 9750-8i?

I have a server with a potenially faulty 3ware 9650SE-8LPML. I can log in to the server but the interface keeps reseting causing the whole system to lock down for minutes. My host suspects its the ...
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533 views

3Ware RAID 1 drive failed… replacement drive is slightly smaller. Do I have any options?

The picture says it all. One of the drives in a RAID-1 array failed and I had a replacement drive with the same model number ready. When I tried to rebuild the array using the web interface it fails ...
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3Ware 9500S - Do spare disks spin when not used

Does anybody knows if spare disks connected to a 3Ware 9500s controller will be spinning although not being used? This will wear unnecessarily the disk, possibly spinning for years before a unit gets ...
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1k views

3ware 9500S-4LP - Replacing faulty drive

An old Windows 2003 server is running on a 4 disks (each250GB) RAID 5 array, attached to a 3Ware 9500S-4LP unit. This morning I got two alarms from the controller: - 0x04:0x0025 Cache flush failed; ...
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679 views

Why is the 9650SE RAID1 not showing the full size of the disks?

This is a follow-on to How can I grow a 3Ware 9650SE RAID1 under ESXi 5.0? I've successively replaced 1TB drives in my RAID1 with 2TB drives hoping that I can grow the datastore I've got in ESXi 5.0. ...
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Can I use tw_cli migrate to grow a RAID10 unit where the drives for that unit were each replaced one by one with larger drives?

Can I use tw_cli migrate to grow a RAID10 unit where the drives for that unit were each replaced one by one with larger drives? (And the array was rebuilt after each replacement operation.) I am ...
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645 views

How can I grow a 3Ware 9650SE RAID1 under ESXi 5.0?

Thanks to this question I've now got my ESXi 5.0.0 (Build 623860) running/booting off a physically enlarged 9650SE controlled RAID1 array. The 1TB drives had been replaced with 2TBs; I'd like to ...
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Best option with 3ware 3DM2 when drive has bad sectors?

I have a FreeBSD server running a RAID 5 array using the 3ware hardware controller 3DM2 (user guide PDF). It uses 3 hot-swap drives + 1 spare. The last couple of months one of the drives have ...