• VNX NAS Files incorrectly report as Locked for Editing When opening a shared Microsoft Office file, you may see the error message “File in Use, file_name is locked for editing by user_name“, when in fact no other user is currently using the file. We had users that would view files with the preview pane, it would create a lock on the file, and then … Continue reading VNX NAS Files incorrectly report as Locked for Editing
  • VPLEX Unisphere Login hung at “Retrieving Meta-Volume Information” I recently had an issue where I was unable to log in to the Unisphere GUI on the VPLEX, it would hang with the message “Retrieving Meta-Volume Information” after progressing about 30% on the progress bar. This was caused by a hung Java process.  In order to resolve it, you must restart the management server. … Continue reading VPLEX Unisphere Login hung at “Retrieving Meta-Volume Information”
  • Rescan Storage System command on Celerra results in conflict:storageID-devID error I was attempting to extend our main production NAS file pool on our NS-960 and ran into an issue.  I had recently freed up 8 SATA disks from a block pool and was attempting to re-use them and extend a Celerra file pool.  I created a new RAID Group and LUN that used the maximum capacity … Continue reading Rescan Storage System command on Celerra results in conflict:storageID-devID error
  • VPLEX initiator paths dropped We recently ran into an SP bug check on one of our VNX arrays and after it came back up several of the initiator paths to the VPLEX did not come back up.  We were also seeing IO timeouts.  This is a known bug that happens when there is an SP reboot and is fixed with Patch … Continue reading VPLEX initiator paths dropped
  • VPLEX Health Check This is a brief post to share the CLI commands and sample output for a quick VPLEX health check.  Our VPLEX had a dial home event and below are the commands that EMC ran to verify that it was healthy.  Here is the dial home event that was generated: SymptomCode: 0x8a266032 SymptomCode: 0x8a34601a Category: Status Severity: Error … Continue reading VPLEX Health Check
  • Celerra Disk Provisioning Wizard incorrectly believes there are not enough drives available for provisioning I recently had an issue attempting to extend our production NAS file pool on our NS-960.  We had just added Six new 2TB SATA disks to the array, and when I launched the Disk Provisioning Wizard it gave me this error: “The number of drives available for provisioning additional storage are insufficient”. That of course … Continue reading Celerra Disk Provisioning Wizard incorrectly believes there are not enough drives available for provisioning
  • Celerra / VNX File replication job creation errors when selecting destination I recently had an issue with setting up a new Celerra file system replication job. As soon as I selected the destination system I received the three errors below. 1) Query VDMs All. Cannot access any Data Mover on the remote system, hostname Severity: Error Brief Description: Cannot access any Data Mover on the remote … Continue reading Celerra / VNX File replication job creation errors when selecting destination
  • Powerpath Install / Upgrade Issues I recently had several issues when attempting to upgrade a Windows 2008 server from Powerpath v5.3 to v5.5 SP1. I uninstalled 5.3 using the windows utility, rebooted, then reinstalled v5.5 SP1. After the reboot, the server did not come back up. In order to get it to boot, the “last known good configuration” option had … Continue reading Powerpath Install / Upgrade Issues
  • Close requests fail on data mover when using Riverbed Steelhead appliance We recently had a problem with one of our corporate applications having file close requests fail, resulting in 200,000+ open files on our production data mover.  This was causing numerous issues within the application.  We determined that the problem was a result of our Riverbed Steelhead appliance requiring a certain level of DART code in order to … Continue reading Close requests fail on data mover when using Riverbed Steelhead appliance
  • Frequent 0x622 and 0x606 errors in the SP Event Logs During some routine checking of the SP Event logs on our NS-40 I was noticing a large number of alerts. Every few seconds I was seeing these three alerts pop in: 0x60a Internal Information Only. A logical unit has been enabled 0x622 Background Verify Aborted 0x606 Unit Shutdown for trespass   After a bit of … Continue reading Frequent 0x622 and 0x606 errors in the SP Event Logs
  • Can’t join CIFS Server to domain – sasl protocol violation I was running a live disaster recovery test of our Celerra CIFS Server environment last week and I was not able to get the CIFS servers to join the replica of the domain controller on the DR network.  I would get the error ‘Sasl protocol violation’ on every attempt to join the domain. We have two interfaces … Continue reading Can’t join CIFS Server to domain – sasl protocol violation
  • Errors when creating new replication jobs I was attempting to create a new replication job on one of our VNX5500’s and was receiving several errors when selecting our DR NS-960 as the ‘destination celerra network server’. It was displaying the following errors at the top of the window: – “Query VDMs All.  Cannot access any Data Mover on the remote system, ”. The … Continue reading Errors when creating new replication jobs
  • Long Running FAST VP relocation job I’ve noticed that our auto-tier data relocation job that runs every evening consistently shows 2+days for the estimated time of completion. We have it set to run only 8 hours per day, so with our current configuration it’s likely the job will never reach a completed state. Based on that observation I started investigating what options … Continue reading Long Running FAST VP relocation job
  • Problem with soft media errors on SSD drives and FastCache 4/25/2012 Update:  EMC has released a fix for this issue.  Call your account service representative and say you need to upgrade your NS-960 dart to 6.0.55.300 and flare to 4.30.000.5.524 plus drive firmware upgrade on all SSD drives to TC3Q. Do you have FastCache enabled on your array?  Keep a close eye on your SP … Continue reading Problem with soft media errors on SSD drives and FastCache
  • Powerpath commands in AIX causing unexpected errors / initialization errors. We recently had a problem with one of our AIX VIO servers not being able to run any powerpath commands.  Any attempt to run a command would result in an unexpected error or initialization error.   After speaking to EMC about it, the root cause is usually either running out of space on the root … Continue reading Powerpath commands in AIX causing unexpected errors / initialization errors.
  • VMWare/ESX can’t write to a Celerra Read/Write NFS mounted datastore I had just created serveral new Celerra NFS mounted datastores for our ESX administrator.  When he tried to create new VM hosts using the new datastores, he would get this error:   Call “FileManager.MakeDirectory” for object “FileManager” on vCenter Server “servername.company.com” failed. Searching for that error message on powerlink, the VMWare forums, and general google searches didn’t … Continue reading VMWare/ESX can’t write to a Celerra Read/Write NFS mounted datastore
  • Unable to provision Celerra storage? This one really made no sense to me at first.  I was attempting to create a new file storage pool on our NS960 Celerra.  Upon launching the disk provisioning wizard, it would pause for a minute and then give the following error: “ERROR: Unable to continue provisioning.  click for details” It was strange because I have plenty of … Continue reading Unable to provision Celerra storage?
  • DM Interconnect failure with Celerra Replicator We just installed a new VNX 5500 a few weeks ago in the UK, and i intially set up a VDM replication job between it and it’s replication partner, an NS-960 in Canada.  The setup went fine with no errors, and replication of the VDM has completed successfully every day up until yesterday when I … Continue reading DM Interconnect failure with Celerra Replicator
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