The event log of HPE ProLiant hosts shows error: The ramdisk 'tmp' is full. As a result, the file /tmp/auto-backup.1619198/local.tgz could not be written.

Products

• VMware vCenter Server
• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• An HPE ProLiant DL580 Gen9 Server running ESXi 5.5/6.0/6.5 displays error message in the event log:

The ramdisk 'tmp' is full. As a result, the file /tmp/auto-backup.1619198/local.tgz could not be written.

• In the hostd.log, you see messages similar to:

2017-07-04T01:01:01.534Z info hostd[B411890] [Originator@6876 sub=Hostsvc.VmkVprobSource] VmkVprobSource::Post event: (vim.event.EventEx) {
--> key = -1,
--> chainId = 1634493244,
--> createdTime = "1970-01-01T00:00:00Z",
--> userName = "",
--> datacenter = (vim.event.DatacenterEventArgument) null,
--> computeResource = (vim.event.ComputeResourceEventArgument) null,
--> host = (vim.event.HostEventArgument) {
--> name = "hostname",
--> host = 'vim.HostSystem:ha-host'
--> },
--> vm = (vim.event.VmEventArgument) null,
--> ds = (vim.event.DatastoreEventArgument) null,
--> net = (vim.event.NetworkEventArgument) null,
--> dvs = (vim.event.DvsEventArgument) null,
--> fullFormattedMessage = <unset>,
--> changeTag = <unset>,
--> eventTypeId = "esx.problem.visorfs.ramdisk.full",
--> severity = <unset>,
--> message = <unset>,
--> arguments = (vmodl.KeyAnyValue) [
--> (vmodl.KeyAnyValue) {
--> key = "1",
--> value = "tmp"
--> },
--> (vmodl.KeyAnyValue) {
--> key = "2",
--> value = "/tmp/auto-backup.1619198/local.tgz"
--> }
--> ],
--> objectId = "ha-host",
--> objectType = "vim.HostSystem",
--> objectName = <unset>,
--> fault = (vmodl.MethodFault) null
--> }
2017-07-04T01:01:01.535Z verbose hostd[B411890] [Originator@6876 sub=PropertyProvider] RecordOp REMOVE: latestPage[8573], session[########-####-####-####-########e51a]########-####-####-####-########6000. Applied change to temp map.
2017-07-04T01:01:01.535Z verbose hostd[B411890] [Originator@6876 sub=PropertyProvider] RecordOp ADD: latestPage[8583], session[########-####-####-####-########e51a]########-####-####-####-########6000. Applied change to temp map.
2017-07-04T01:01:01.535Z verbose hostd[B411890] [Originator@6876 sub=PropertyProvider] RecordOp ASSIGN: latestEvent, ha-eventmgr. Applied change to temp map.
2017-07-04T01:01:01.535Z info hostd[B411890] [Originator@6876 sub=Vimsvc.ha-eventmgr] Event 8583 : The ramdisk 'tmp' is full. As a result, the file /tmp/auto-backup.1619198/local.tgz could not be written.

 

 

 

Cause:

The issue occurs when /tmp/ahs.debug grows until the /tmp/ disk is full.

 

Environment

VMware vCenter Server Appliance 5.5.x
VMware vSphere ESXi 6.0
VMware Update Manager 6.0
VMware vCenter Server Appliance 6.5.x
VMware Update Manager 6.5
VMware vCenter Server 6.5.x
VMware vSphere ESXi 6.5
VMware vSphere ESXi 5.5
VMware vCenter Converter Standalone 6.x
VMware vCenter Server Appliance 6.0.x
VMware vSphere Client 5.5
VMware vCenter Server 5.5.x
VMware Update Manager 5.5
VMware vCenter Server 6.0.x

Resolution

This is known issue affecting HPE ProLiant server. For more information, see HPE advisory:

To work around this issue:

1. Follow the steps described in the advisory to stop the AMS service on the host.
2. Copy the file /tmp/ahs.debug to a different location to take a backup of the file.
3. Zero the file /tmp/ahs.debug by entering the following bash command:

   $ > /tmp/ahs.debug​