tw-cli is a command line tool to communicate with 3ware RAID controller cards.

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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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289 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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259 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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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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1answer
643 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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527 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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197 views

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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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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251 views

Is it possible to add a disk to a RAID5 controller without rebooting? [closed]

I know tw_cli can migrate the RAID5 to an added additional disk, but the capacity will not grow until the machine is rebooted. So is it possible to grow a RAID5 array with no downtime? What is a raid ...
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1answer
1k views

3ware 9650SE: This Spare unit may replace failed drive of same interface type only

I just added a spare disk to my array: Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ------------------------------------------------------------------------------ u0 ...
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1answer
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3Ware 9650SE is rebuilding RAID6 array with two degraded disks?

I have a RAID6 array on a 3Ware 9650SE which is degraded: tw_cli /c0/u0 show Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB) ...
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1answer
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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 Size(GB) ...
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5answers
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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 ...