Symptoms:
- An ESXi host upgrade fails due to /tmp being full.
- An ESXi host is not responding in the vCenter Server inventory.
- The ams-bbUsg.txt file consumes a large amount of /tmp
- In the vobd.log, you see similar to:
2020-04-10T05:25:45.458Z: [VisorfsCorrelator] 9661642434308us: [vob.visorfs.ramdisk.full] Cannot extend visorfs file /tmp/bbFile2.txt because its ramdisk (tmp) is full.
2020-04-10T05:25:45.503Z: [VisorfsCorrelator] 9661642479481us: [vob.visorfs.ramdisk.full] Cannot extend visorfs file /tmp/bbFile2.txt because its ramdisk (tmp) is full.
2020-04-10T05:25:45.504Z: [VisorfsCorrelator] 9661642480515us: [vob.visorfs.ramdisk.full] Cannot extend visorfs file /tmp/ams-bbUsg.txt because its ramdisk (tmp) is full.
2020-04-10T05:26:14.662Z: [VisorfsCorrelator] 9661671637154us: [vob.visorfs.ramdisk.full] Cannot extend visorfs file /tmp/ams-sysmod.txt because its ramdisk (tmp) is full.
2020-04-10T05:26:14.662Z: [VisorfsCorrelator] 9661816145006us: [esx.problem.visorfs.ramdisk.full] The ramdisk 'tmp' is full. As a result, the file /tmp/ams-sysmod.txt could not be written.
- In the vmkernel.log, you see similar to:
2020-04-10T04:57:46.064Z cpu0:246728737)WARNING: VisorFSRam: 206: Cannot extend visorfs file /tmp/bbFile2.txt because its ramdisk (tmp) is full.
2020-04-10T04:57:46.065Z cpu2:2100680)MemSchedAdmit: 470: Admission failure in path: tmp/tmp
2020-04-10T04:57:46.065Z cpu2:2100680)MemSchedAdmit: 477: tmp (2409) extraMin/extraFromParent: 1/1, tmp (2408) childEmin/eMinLimit: 65536/65536
2020-04-10T04:57:46.065Z cpu2:2100680)WARNING: VisorFSRam: 206: Cannot extend visorfs file /tmp/ams-bbUsg.txt because its ramdisk (tmp) is full.
2020-04-10T04:58:24.288Z cpu20:2098113)ScsiDeviceIO: 3068: Cmd(0x45a29fb873c0) 0x1a, CmdSN 0x30e8a1 from world 0 to dev "mpx.vmhba1:C2:T1088:L0" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x5 0x20 0x0.
2020-04-10T04:58:31.712Z cpu6:246732134)MemSchedAdmit: 470: Admission failure in path: tmp/tmp
2020-04-10T04:58:31.712Z cpu6:246732134)MemSchedAdmit: 477: tmp (2409) extraMin/extraFromParent: 1/1, tmp (2408) childEmin/eMinLimit: 65536/65536
- vMotion of a virtual machine fails
- You see an error similar to:
General System Error Occurred.