Sonnet Fusion R800 RAID – self-ejecting

[Ericbowen]

What Raid level are you running? If a parity raid, have you ran a parity verification recently?

Eric-ADK
Tech Manager
support@adkvideoediting.com

[Rainer Wirth]

Hi Steve,

this could be anything. I assume you are on Raid5 or 6.
It could be a loose or defect SAS cable.
It could be a drive just before failure – it is still blue, but doesn’t work properly. Do some intensive writes on the raid, until the defect drive goes red. Until then you really don’t know which drive is bad. Then you can replace the drive and rebuilt the array.
It could be a defect backplane (very unlikely, but possible) In this case you need a new chassis.
My bet is a bad harddisc. What HD’s do you use?

cheers

rainer

factstory
Rainer Wirth
phone_0049-177-2156086
Mac pro 8core
Adobe,FCP,Avid
several raid systems

[Steve Gerges]

hi there… yes i’m on raid 5. i contacted sonettech support and they made me do a bunch of tests, send them logfiles etc… and in the end told me to update the drivers and flash the card…. which resulted in not being able to mount the RAID today (i did it today) i wrote them back to get some help, but haven’t heard from them so far…..

The raid still shows up in teh ATTO tool and disk utility so i’m not paniking too much for the moment but would be glad to have it back online soon….

in regard of the drives used i dont remember which ones but i know that one isnt working anymore when i rebuild the raid some months ago i left it out of the system, so for my understanding thsi shouldnt be an issue (or am i wrong here ?) they all do light up bluen / green for the moment.

Steve – Art Director – http://www.remedia.lu

[Ericbowen]

When you say left it out of the system, did you replace that drive then?

Eric-ADK
Tech Manager
support@adkvideoediting.com

[Steve Gerges]

no i haven’t.. .should i ?

Steve – Art Director – http://www.remedia.lu

[Steve Gerges]

ok…the support told me to update the drivers and flash the card and send them a new diagnostic file… which i did, and now the RAID system isn’t mounting at all anymore 🙁

i still see it in the ATTO tool and disk utility but i’m unable to mount it…. i also haven’t heard from them in days which isn’t cool….

any ideas on what could be the cause of this !? i suppose the flashing of the card might be the problem, but have no idea on how to fix it.

Steve – Art Director – http://www.remedia.lu

[Ericbowen]

Yes you needed to replace that drive so that raid would have rebuilt from Degraded state. Now if another drive has completely failed the data would be lost. You need to do that and then see if the other drive acting up will come back online long enough to get the first 1 rebuilt.

Eric-ADK
Tech Manager
support@adkvideoediting.com

[Chris Murphy]

Updating drivers, flashing firmware, must always be preceded with a backup. Unless the data is disposable. I’d call support and wait on the phone until they get you to someone more senior who can answer your questions, primarily how to get the array to mount which should be possible whether it’s degraded or not.

If the data isn’t disposable, and isn’t backed up, and me not having seen the log files, I would avoid mounting the array read-write and instead mount it read only and start copying files off the thing. If this is a Mac this can be done first with ‘diskutil unmount /dev/diskXsY’ and then with ‘diskutil mount readonly /dev/diskXsY’ command, where XY are the node/slice numbers for the volume which you can get from ‘diskutil list’. Then you can do a file copy and not make any changes to the state of the array or its underlying disks.

As for replacing the dead drive and letting it rebuild, yeah you could do that, but the rebuild will be slow and will slow down the file copy. If you seriously don’t have current backups, your strategy needs to be a lot more conservative and I think it’s more conservative to mount the array read only and start file copying, than rebuilding a new drive. Depending on the drive size that’ll take hours, maybe 1/2 a day.

What drives are these?

[Steve Gerges]

thanks for your insights Chris…. support got back to me today and told me to “turn off the NCQ setting on the R380. On the R380, the NCQ
setting should be disabled.” which i did… i rebooted the mac to see if hte raid will come back to life… but it got worse !

beforehand i was able to at least see my old raid setup in diskutil and atto tool, but now it looks like it went back to a blank raid system stating the rebuilding had been interrupted !!!!!

i have no backup of my files, as i didn’t think that updating drivers and such could mess up this much (and support didn’t tell me neither) F**K !!! i hope i’m not screwed…

i cannot tell exactly which drives are in there as i’m no IT specialist, just a regular guy trying to figure out to get my stuff to work again.

Steve – Art Director – http://www.remedia.lu

[Steve Gerges]

chris i did try the ‘diskutil list’. in terminal but am not seeing the RAID :S

Steve – Art Director – http://www.remedia.lu