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Compellent free space reclamation

December 29, 2015, 9:06 am
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Hi guys, I'm installing a new storage Dell Compellent SCv2020 with vSphere 5.5 U3b for an existing customer

I have deep knowledge of Dell PowerVault storages but I'm new with Dell Compellent. I've read that making snapshots for backups or running Storage vMotion can affect free space on the storage due to native LUN thin provisioning: communities.vmware.com/.../436628;tstart=0

The suggestion is to manually run or schedule the command "esxcli storage vmfs unmap -l MyDatastore" that invokes the SCSI UNMAP primitive

I've tested a Storage vMotion and indeed the space on the source LUN remain allocated until manually "unmapped". I've not yet tested how backup snapshots affect the free space on the storage because I've not yet migrated any VM on the new infrastructure (by the way I will use Veeam Backup v8 that heavily rely on VMware snapshots)

Anyone here can share ideas and feedback? Many thanks guys

Marco

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Alerts handling in Storage Center and EM

January 5, 2016, 12:41 am
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Hi!

I´m running scos 6.6.5 on a couple of sc8000´s and can´t get a grip on how the Alerts Monitor function works. I´ve looked at the 6.6 sc manager admin guide, but how alerts are being moved to the history category are very much unclear to me.

Any insight into this subject.

Regards

Olle

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SVC2020 Getting confuse

January 8, 2016, 1:50 am
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Hi All, I encountered a problem when checking my compellent summary report. May I seek for your help on how to understanding each setting below??

Assigned: 6TB to one servers

What I got the report like this for one Volume:

I'm getting confuse on the Total Disk Space, Actual space and Active Space. Would anyone tell me what the meaning of these? Thank you very much!!

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Compellent Storage Center 5.5 Ghost drives

January 12, 2016, 2:38 pm
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Hey guys, I have a customer that had a failed drive and decided to replace it himself. Not sure exactly how he decided to replace it, or whether he properly did it, but after he did it, the failed drive was still showing up with "user allocated data" still present. whats odd is that, the faulted drive is giving a location of "??-00". There is no way do delete it through the GUI due to it showing up as still having user data (should be at 0 for us to remove it). When the drive failed, the spare kicked in just fine and we were able to configure the replacement as the spare. My question is, is there a way I can forcefully remove that ?? drive either through the GUI or through the CLI? I've never used the CLI so i was a little hesitance to try that at this point in time. Any information will be useful.

Thanks Guys!

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Windows Recovery Image file download times out

January 20, 2016, 7:32 pm
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Background...10 day old XPS 8900...trying to download the 'Windows Recovery Image' file. It is very slow downloading ie starts off around 190kbps then quickly falls off to around 20kbps. The file is available for 1 hr from Dell then times out.  This file is 6 GB and there's no way I can get it to download before I run out of time.  I can only get about 2 GB before my 1 hr is up.  How do I get past this issue?

PS...my download system speed is running at around 14.5 Mbps according to speedtest...even during this issue.

TIA

Dan

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SC8000 controller fail over

January 25, 2016, 12:20 pm
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This post needs to be deleted.. I made a mistake and posted twice...

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SC8000 Controller Fail Over

January 25, 2016, 12:26 pm
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Came in from weekend to find activity error on SC8000 "Can't rebalance ports due to controller fail over"

Can see that both controllers are active *.131 & 132 but cannot ping *.131.

 

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Upgrade from EM 2015R1 to R3 --> Failed

January 29, 2016, 12:14 am
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Hi.

I'd just want to report a failed tentative to upgrade to Enterprise Manager 2015 R3 from Enterprise Manager 2015 R1.

Environnement :

Windows 2008 R2 + SQLServer 2012

2 SC800 arrays (6.4.5.4)

1 SCV2000 array (6.6.5.19)

Upgrade process is ok but after upgrade, data collector fails to start with this error :

Alert Type:             Failed to Startup

Alert Description:      The Data Collector service failed to startup

Alert Message:          Exception Starting Data Collector Service: java.lang.NullPointerException

I've rolled back my server to retreive my console.

If you have any experience on this.... Thanks.

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mpio software on hyperv host

January 29, 2016, 12:53 pm
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hello please refresh my memory .

is there any mpio software / drivers that need to be installed on the hyperv hosts server in order to properly utilize the mpio of a compellent?

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daily replay on volume needed for data progression ?

January 30, 2016, 9:48 am
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Hello

I have a new Compellent scV2080 that is providing storage to a group of Ubuntu servers via iscsi.

Initially a 'daily' replay profile was configured on the volumes by default.

As I do not need replays, I have removed this profile from the volume configuration. Will this have impact with the data migration efficiency of the system as I read on some posts in the Net ? And can I expire the already defined replays on the volume also ?

Kind regards

Paul

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SC4020 Multipathing help

February 3, 2016, 8:26 pm
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Hi All,

Just recently setup a new SC4020 compellent and R730xd server. This will be part of a bigger network but at the moment I'm testing failover and redundancy and just trying to get my head around Virtual Ports and MP.

Current test environment comprises of a Compellent SAN, 2 Fibre Switches, Ethernet Switch and 1 x hypervisor. My cabling is identical to this minus second hypervisor (hopefully photo posts okay) - Page 39 of the Owners Manual "Two iSCSI networks with Dual 2 port storage controllers"

I wanted to verify our environment just to ensure I've correctly set it up. I have simulated a controller restart and switch failure and have successfully kept a datastore online which I am happy about, however there is some behaviour I am experiencing with the iSCSI mappings that I don't feel is consistent with the intended design. 

ESXi 6.0 Server with 25GB iSCSI volume mapped in Storage Centre

iSCSI Initiators in vSphere: 10.1.1.4:3260 and 10.1.1.5:3260

Fault Domain 1 Controller IP: 10.1.1.4

Fault Domain 2 Controller IP: 10.1.1.5

VMKernel1: 10.1.1.2 (mapped to vmnic0)

VMKernel2: 10.1.1.3 (mapped to vmnic1)

  • We have 1 x 25GB iSCSI data volume mapped to a ESXi hypervisor. ESXi Hypervisor has 2 x NICS configured with 2 x VMkernel adapters and appropriate binding and iSCSI settings connected (as per VMware Best Practices). Physical cabling is identical to above.
  • iSCSI target set to 10.1.1.4 (FD1) and 10.1.1.5 (FD2). This gives paths of 10.1.1.10 and 10.1.1.11 which are the interfaces on the top controller. I browse to my test iSCSI datastore and upload a 5GB file and then disconnect power to Switch 1. The path still remains as 10.1.1.11 is on FD2 on Switch 2.
  • The copy continues, slows down for awhile but eventually finishes. 

My questions:

- What should happen if I disconnect 10.1.1.11? At the moment if I disconnect 10.1.1.11 the iSCSI datastore drops connectivity. I would have thought the last port 10.1.1.13 (which is Bottom Controller Port 2 - Fault Domain 2) would pick up this path and continue to function?

- If I look at the multipathing paths in vSphere they all report as Dead and there is no mapping to 10.1.1.13 despite having both Fault Domains listed under the Dynamic Discovery tab . Further to this if I connect to the Compellent web management console and check my Hypervisor it lists the last controller port as active/available but if I change over to the Mapping tab it still only lists it doesn't list the controller port.

At the moment I'm trying to ascertain if I've set something up incorrectly? Or am I asking too much from the device, perhaps its not intended to be used like this? Multipathing is set to Round Robin in vSphere.

Any help would be really appreciated.

Kind Regards,

Cameron

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Storage Center & Joining Directory Services

February 11, 2016, 9:25 am
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I am trying to join our Storage Center to our domain.  I have the configuration correct and when I run "Test Servers" it completes successfully.  I then attempt to join with a domain admin username/pass, but it continues to fail with:

Summary:
Join domain failed for host:

Cause:
Join domain failed for host:


Very vague detail.  Has anyone seen activity like this?

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Revert FS8600 to factory defaults?

February 12, 2016, 8:39 am
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We have an SC8000 array up and running, and an FS8600 w/ FluidFS v3 which was racked (but not installed!) at the same time.  When the Dell technician was here we didn't have the cabling available for the FS8600 and the SC8000 was needed right away.  So, basically, the FS8600 was not configured by the tech.

I've been mucking around with the appliance and not getting far, because all the various documents for setting up the FS8600 amount to:

1) Have these cables handy

2) ????

3) Enjoy!

Now I'd like to reset this thing to factory defaults.  There are no pools on the appliance, no shares, no configurations or settings of any type that I care about.  I just want to roll it back to the same state it was in when Dell left it with us.  How can I do that?

Somewhat related: Is FluidFS v4 or v5 something that can be upgraded to?  Or is the version of FluidFS you have on the appliance the one you have forever more?  The Dell support interface seems to imply that.

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Backups -

February 18, 2016, 6:24 am
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When I bought my Dell in late November of 2014 I could run full data backups.  I can no longer find from where to initiate this function.  Seems to me it was in the Support Assistant.  I am irked that a product I purchased with the computer is no longer available for my use.

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Cannot set up SMI-S account for Compellent Enterprise Manager

February 18, 2016, 8:21 am
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We are trying to create SMI-S user to enable SMI-S access for Enterprise Manager 2015 R1.

Following the instructions from EM guide, we run "Launch SMIS User Configuration Script via PowerShell" script. When we try to add a user or to list existing users we get "access denied"  error. We've tried to run the script with administrator priviliges but to no avail. Compellent audit log contains the following message:

02/17/16-10:35:35 INFO    cimserver audit: A CIM CreateInstance operation on instance "PG_User" in namespace "root/PG_Internal" by user "..." connected from system "..." resulted in status "CIM_ERR_ACCESS_DENIED".

We would appreciate any hints on that.

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FS8600 FluidFS V4 - Creator/Owner Issue - Creator/Owner Full Control NOT correctly Inherited by copied in or owner changed FILES

February 22, 2016, 9:37 am
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We have Fluid FS 4.0.210020 (storage centre on 6.5.20.18 on Compellent SC4020).

Our Windows Home Folders are on an SMB share on our FS8600.

They have rights assigned at home folders root of Creator/Owner Full Control to subs and files only as per Microsoft recommendation.

New users, who via Group Policy redirection, create their Home Folder at first logon, create the redirected sub folders and then, for any files and folders written, they are the owner and have the Owner ACE visible at folder and file level as expected with Full Control permission.

However, if we robocopy or richcopy users home folders into that folder structure, even though Creator/Owner is inherited and you can see permissions and the owner as expected at FOLDER level, at file level you do not see the automatically created ACE in the name of the owner, you see Creator/Owner Full Control instead.  The owner however has no effective rights at all.

The same applies when you rename an EXISTING users folder where they get married etc and the owner is changed and set to apply to all child objects.  The owner is seen to be changed on all files and folders, BUT, file level permission for the owner is not there.

It seems that there is a bug where this happens with NFS and Fluid FS v5 fixes it.  And that this should also resolve the same issue with SMB shares.  But, I'd like to know if anyone has encountered this Creator/Owner issue and seen the upgrade fix it please.

The Fluid FS team are unfortunately unable to test this for me with v4 and then v5 at the moment, so I was hoping someone else has encountered and resolved this same issue.

We have 7000 users, and run a 24/7 NHS organisation, we have 9TB of Team Data published via our FS8600 where Creator/Owner isn't used and therefore isn't an issue.  We have 2000 home folders currently using the FS8600 too (using DFS) (as yet to migrate 5000 others).  If I apply the upgrade, I need to arrange service downtime to accommodate the several seconds to minutes of lost NAS connectivity, which is doable, but it would be good to know if its likely to fix the issue.

Any feedback welcomed.  Thanks... 

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Fluid FS Upgrade from v4.0.210020 to V5.0.002821 - Experience please?

February 22, 2016, 9:59 am
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We have a single FS8600 running Fluid FS 4.0.210020, with a Compellent SC4020 back end running storage centre 6.5.20.18.  Its ticking away with no issues.  We run a 24/7 NHS organisation, with 7000 users, 9TB of Team Data and a few TBs of user home folders, all published via our FS8600.  

If I apply the Fluid FS upgrade, I need to arrange service downtime to accommodate the several seconds to minutes of lost NAS connectivity, which is doable, but it would be good to hear from others who have similar sized or larger environments, who have upgraded a live system to V5.0.002821 from v4, just to be assured you didn't encounter any new issues.  

I'm fully aware of the upgrade process and have already FTP'd and validated v5.  

Any experience & feedback on V5.0.002821 welcomed.  Thanks... 

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R710

February 22, 2016, 1:06 pm
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Hi,

I have a PowerEdge  R710 Rack Server. It has one hard drive and it is not using RAID. I want to use RAID.

I tried to find out whether there is hardware RAID in the unit. Dell log shows the following under Storage

1. SAS_6_iR_Integrated Embedded

2. Connector 0  has "SAS Port RAID Mode" in property page

Does "SAS Port RAID Mode" mean or imply there is hardware RAID?


Going through manuals, datasheet & the forum, I could not find out the following.

1. Does my unit have hardware RAID?

2. If it has, how do I get to the RAID configuration page?

3. Is there a general way to find out whether there is hardware RAID in a given R710?

Any information or help would be very much appreciated.


Thanks!

John

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LTO-5 for T610

February 23, 2016, 1:28 am
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Hi, our LTO-4 tape drive installed in R610 is damaged, so we're forced to buy new one. Please let me know which LTO-5 tape drives are compatible with R610? Does anyone know if Tandberg LTO-5 HH Internal Drive (3518-LTO) will work?

Currently we're using Symantec Backup Exec 12.5 for Windows Servers

If you need more details about server configuration, please write.

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Turning on FTP

February 24, 2016, 11:18 am
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FS8600

How do you turn on FTP in enterprise manager 15.3.1.300?

manual says to go to NAS - file system, maintenance tab and turn it on. But there is no  maintenance tab?

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