Which drive is this?

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Arturo Camacho

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Nov 26, 2019, 11:34:04 PM11/26/19
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Hello! I'm seeing an error/warning i hadn't seen before. It reads:  Bay <number> Location Unknown wear_life threshold exceeded.
Then in the details it mentions Drive at Carrier board J4/ada1 wear_life threshold exceeded.
How can i find out which drive i should replace?
Thanks

erik.j...@gmail.com

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Nov 27, 2019, 12:33:51 AM11/27/19
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This is one of the pair of SSD boot drives. These are case-less SSD SATA cards (not mSATA). 
It has exceeded the expected write life (SMART) and is at risk of failure at any time. 

Slot J4 on the carrier card inside the node mounted above the motherboard. This replacement calls for node shutdown and opening the chassis. If you have a maintenance contract on this still I'd get a case open ASAP. 

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Saker Klippsten

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Nov 27, 2019, 1:04:32 AM11/27/19
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Boot drive located inside. They look like two small sticks of ram with sata cables connected to it.

What type of systems and do you have support?
What’s the output of “gmirror status”



-S

On Nov 26, 2019, at 8:34 PM, Arturo Camacho <camacho...@gmail.com> wrote:


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Paul Carrington

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Nov 27, 2019, 2:00:47 AM11/27/19
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Didn't nl nodes also have scars for boot drive mirrors. Need more info - what node types are these old IQ or nl nodes or x nodes or gen6 etc?

Erik Weiman

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Nov 27, 2019, 2:07:25 AM11/27/19
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Not sure what “scars” was supposed to be. 

Essentially:
Gen 3 and older (basically any “IQ” branded node) used partitions on the SATA/SAS HDDs. 
Gen 4/5 are the only ones to use boot drive SSDs (node types with names starting with X/S/NL/HD, A100 slightly different using SAS HDD mirrors but of the same style). 
Gen 6 uses a different implementation of gen 3 and older style and no longer has “boot drives”. 

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Paul Carrington

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Nov 27, 2019, 2:14:16 AM11/27/19
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Sdcards not scars - nl nodes didn't have ssds but sdcards if you need I can pull out the radish command to show wear life across the cluster we used to have flurries of sdcards to replace. I'm assume that they have out of support nodes so assumed they would very possibly be nl nodes hence just an sdcard swap and remirror as they are fitted in pairs on nl

Arturo Camacho

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Nov 27, 2019, 8:43:12 AM11/27/19
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Thanks for your replies. This is an x210, unfortunately not under support. So i need to start checking my options. 

gmirror status outputs:
 gmirror status
                 Name    Status  Components
         mirror/root1  COMPLETE  ada1p5 (ACTIVE)
                                 ada0p5 (ACTIVE)
            mirror/hw  COMPLETE  ada1p14 (ACTIVE)
                                 ada0p14 (ACTIVE)
      mirror/keystore  COMPLETE  ada1p13 (ACTIVE)
                                 ada0p13 (ACTIVE)
mirror/journal-backup  COMPLETE  ada1p12 (ACTIVE)
                                 ada0p12 (ACTIVE)
     mirror/var-crash  COMPLETE  ada1p10 (ACTIVE)
                                 ada0p10 (ACTIVE)
           mirror/mfg  COMPLETE  ada1p8 (ACTIVE)
                                 ada0p8 (ACTIVE)
          mirror/var1  COMPLETE  ada1p7 (ACTIVE)
                                 ada0p7 (ACTIVE)
          mirror/var0  COMPLETE  ada1p6 (ACTIVE)
                                 ada0p6 (ACTIVE)
         mirror/root0  COMPLETE  ada1p4 (ACTIVE)
                                 ada0p4 (ACTIVE)

Paul Carrington

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Nov 27, 2019, 8:53:10 AM11/27/19
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if its an x210 then It should be a 32GB mSATA drive

On NLnodes to check for wear on sd cards was just this radish command:

isi_for_array -s 'isi_radish -a /dev/ad[2,3,4,7] | grep -E "^Internal.*|Total Wear|Lifetime Left|Life Remain|^Carrier board.*"' | awk -F '[(]' '{ if(match($0,"Wear")) { printf "%s%d%s\n"," Life remaining: ",100 - ("0x" substr($0,match($0,"/")-2,2)),"% (SanDisk - Firmware issue causes inaccurate SMART wear data)" } else if(match($0,"Life")) { printf "%s%d%s\n"," Life remaining: ","0x" substr($2,15,2),"%" } else { printf ("%s%s%s",substr($0,0,match($0,":")-1)," ",substr($0,match($0,"/")-2,6)) } }'

To check an individual drive and look at the smart data:

isi_radish -a /dev/ada0

for a specific node just wrap it in an isi_for_array -n <nodenumber> 

We have one remote isilon cluster which uses gen5 x210 nodes and they show as SHMST6D032GHM11EMC drives

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Arturo Camacho

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Nov 27, 2019, 10:31:59 AM11/27/19
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Thank you for your help with the command. Basically I should be looking for an EMC tech to look at it through T&M right? Or do you think it could be easy replacing it (if I find the part).

Paul Carrington

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Nov 27, 2019, 10:37:43 AM11/27/19
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For support they want to replace it but if it's not under warranty who knows? Your risk to take I guess. There is a third party company that does provide some support I believe but we just get EMC to replace as and when they fail

On Wed, 27 Nov 2019, 15:32 Arturo Camacho, <camacho...@gmail.com> wrote:
Thank you for your help with the command. Basically I should be looking for an EMC tech to look at it through T&M right? Or do you think it could be easy replacing it (if I find the part).

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