3ware are SATA and SAS RAID controller cards from LSI

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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 ...
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3Ware 9650SE-12ML with BBU very slow performance

Maybe someone can help with this issue... but I am getting HORRIBLE performace on a 5 disk Seagate Barracuda 7200RPM drives in a RAID5 setting. # tw_cli /c0 show Unit UnitType Status ...
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1answer
53 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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1answer
35 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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2answers
70 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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33 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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51 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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1answer
69 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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1answer
59 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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1answer
34 views

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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19 views

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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127 views

3ware Raid Controller - Wrong Size after upgrading one disk

I have a 3ware raid controller. I replaced both 750GB disks by new 1TB disks. But the unit size is still 698GB. How can i "resize" the unit size to use the 1TB size. Screenshot: ...
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1answer
283 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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2answers
283 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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1answer
120 views

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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1answer
756 views

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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3answers
984 views

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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1answer
536 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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1answer
375 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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2answers
784 views

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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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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1answer
258 views

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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115 views

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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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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3answers
1k views

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
407 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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638 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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54 views

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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1answer
173 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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1answer
39 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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1answer
387 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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2answers
489 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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1answer
74 views

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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1answer
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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3answers
619 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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1answer
618 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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827 views

3ware raid controller, unit unusable, several degraded disks

I was switching the disk drives in my server, running RAID 6 on 5 disks on a 3ware 9650SE controller, for newer disks and have run into a problem. The two first disks went fine, I took out one disk ...
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2answers
169 views

Swapping 3Ware Raid Card - Best Procedure

We have a server running an old firmware version and driver (just took this position) on the 3Ware 9650SE Raid Controller... We have been having issues with the server and seemed to have narrowed it ...
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1answer
526 views

ESXI 4.1 - tw_cli to manage 3ware 9650 raid card

Is there some way in the esxi cli to enable tw_cli to manage the arrays on the 9650se raid card? The goal is to manage the drives (checking array status, building arrays, etc.) without shutting down ...
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2answers
4k views

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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1answer
3k views

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 ...
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1answer
255 views

Server with 3ware 8006-2LP won't stop beeping

A server I support startet beeping. One of the RAID-1 disks had an error. I replaced the disk and rebuilt the array, but the server won't stop beeping and one of the drive enclosures is blinking. I ...
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1answer
241 views

Suppress log messages about minor 3ware disk temperature changes on CentOS?

I have a number of CentOS 5 servers which use 3ware RAID controllers. These servers are bugging my team with messages about minor temperature changes, like this: Jun 8 12:32:39 HOST smartd[1231]: ...
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121 views

Battery backed write cache behavior upon disk change [closed]

We use 3ware Inc 9650SE SATA-II RAID PCIe RAID controllers with battery backed write cache. Our spare hardware has the same controller. I was wondering; are these controllers smart enough not to sync ...
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336 views

3ware 9550SX(U) Not appearing to OSs

I have a 3ware 9550SX(U) that doesn't show up to OSs. This is strange because LSI says Openfiler(Linux) has native drivers in the kernel. Also when Int 13 catches I get a list of the 6 Drives I have ...
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1answer
453 views

3ware 9650SE-24M8 INOPERABLE data recovery

I have a raid6 array with 16 hdds. Two harddrives had failed (device error), but when I went to replace them, I pulled out one wrong disk! Now the raid array is INOPERABLE. Is there any way to ...
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427 views

3ware 8506, Solaris (Nexenta Core) and the tw driver: driver (tw) successfully added to system but failed to attach

I've got a little Nexenta Core box at home that's doing NAS duties. Recently, I bought a second hand 3ware 8506 12-port SATA controller to go with the Supermicro AOC-SAT2-MV8 controller that I already ...
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683 views

Slow disk transfer rate

I have problem with slow disk transfer rate. It's static files server for our website. I was making backup of data and noticed that tar is very slow. So I did hdparm -t and... hdparm -t /dev/sda3 ...
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2k views

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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441 views

3ware Raid Migration 9650SE

I'm trying to migrate a single disk on a 9650SE 4LPML to a RAID 1. I'm trying to use 3dm2 to accomplish this, but the only options it will allow me to migrate to is either RAID 0 or RAID 10. I only ...