3ware are SATA and SAS RAID controller cards from LSI
Questions tagged [3ware]
100 questions
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Error: (CLI:144) Invalid drive(s) specified when trying to rebuild 3ware RAID
We have a RAID 5 using a 3ware 9550SX RAID controller that shows one degraded disk. There is a spare drive configured for the array, but it wasn't used automatically as intended.
The current array status is the following:
> /c0 show
Unit UnitType …
user17363
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Enable external SAS on 3ware 9750-16i4e Card
I am adding an external SAS enclosure to a 3ware 9750-16i4e Card. Have connected 3ware 9750-16i4e Card to 2nd 3ware 9750-16i4e Card in exteranal SAS enclosure via a Norco 1M SFF8088 to SFF8088 Cable.
Having trouble with 3ware 9750-16i4e Card is not…
Ananth Kalluri
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3 answers
Is there a way of relating the RAID units with the OS devices in 3ware?
I got a Linux server recently with a 3ware RAID. It has several volumes (/c4/u*/v*) that are seen by the OS as devices (/dev/sd*)
I can roughly relate those units with the devices because of their size and some other characteristics.
Is there a…
nsn
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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: (0x03:0x0101): Invalid command…
OmiPenguin
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2 answers
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 …
maddios
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1 answer
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 unit.
Once the system boots up into CentOS, it does…
user16081-JoeT
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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;
/dev/sde is the linux device of the raid array.
This…
refik
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2 answers
How many disks to use for eight channel RAID controller
I have a 3ware 8 channel SAS controller and a back plane extender (also 8 channel) which can take 16 drives. I will be creating a single RAID 10 volume.
I know that adding more drives has positive effect on performance, but I'm not sure if adding…
Tvrtko
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2 answers
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 I would like to move the array to older 3ware…
Scyld de Fraud
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5 answers
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 know what more I have to do to make the system…
nass
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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 25MB/s at the beginning, but after a point it starts…
Notinlist
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1 answer
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 Size(GB) Cache …
Notinlist
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0 answers
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
------------------------------------------------------------------------
c0 9500S-4LP 4 4 4 …
Sinisa
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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 into 5 raid5 arrays. Three of these arrays are…
Dylan
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3 answers
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 3ware 9750 4i controller.
I found a download…
Stephan
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