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AlyushinVladisl
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Extended disk VM

We have same problem with VmWare 6.5. We try add more space for disk on one virtual machine and get error:

1.png

The disk extend operation failed: There is not enough space on the file system for the selected operation

On datastore (it's SAN) we have more free space (1 Tb free)

2.png

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AlyushinVladisl
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One node see right size. I migrate VM on this node and change hdd size, then i migrate back vm and other node see right size of Lun too. Thanks all for help!

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Vijay2027
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Is this a thin provisioned LUN, if yes can you look at SAN array to verify if there is any space issue?

Also from ESXi, host run the following commnds to identify if the mapped LUN is thin-povisioned

esxcfg-scsidevs -m

<Copy the naa,id of VMW-Vol1_DX440>

esxcli storage core device list -d <naa.id from above results>

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AlyushinVladisl
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That i see:

naa.600000e00d1000000010049000020000

   Display Name: FUJITSU Fibre Channel Disk (naa.600000e00d1000000010049000020000)

   Has Settable Display Name: true

   Size: 2072576

   Device Type: Direct-Access

   Multipath Plugin: NMP

   Devfs Path: /vmfs/devices/disks/naa.600000e00d1000000010049000020000

   Vendor: FUJITSU

   Model: ETERNUS_DX400

   Revision: 0000

   SCSI Level: 5

   Is Pseudo: false

   Status: on

   Is RDM Capable: true

   Is Local: false

   Is Removable: false

   Is SSD: false

   Is VVOL PE: false

   Is Offline: false

   Is Perennially Reserved: false

   Queue Full Sample Size: 0

   Queue Full Threshold: 0

   Thin Provisioning Status: unknown

   Attached Filters:

   VAAI Status: supported

   Other UIDs: vml.0200000000600000e00d1000000010049000020000455445524e55

   Is Shared Clusterwide: true

   Is Local SAS Device: false

   Is SAS: false

   Is USB: false

   Is Boot USB Device: false

   Is Boot Device: false

   Device Max Queue Depth: 30

   No of outstanding IOs with competing worlds: 32

   Drive Type: unknown

   RAID Level: unknown

   Number of Physical Drives: unknown

   Protection Enabled: false

   PI Activated: false

   PI Type: 0

   PI Protection Mask: NO PROTECTION

   Supported Guard Types: NO GUARD SUPPORT

   DIX Enabled: false

   DIX Guard Type: NO GUARD SUPPORT

   Emulated DIX/DIF Enabled: false

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Vijay2027
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Thin Provisioning Status: unknown

Can you check from SAN side if the LUN's are thin-provisioned and you have enough storage at physical level.

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AlyushinVladisl
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I add space 1Tb for this LUN and now he have more than 1Tb free space. On SAN it's RAW LUN that present Vmware nodes

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AlyushinVladisl
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vmware.log:

2018-08-01T07:08:49.700Z| vcpu-0| I125: DISKLIB-VMFS  : "/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test-flat.vmdk" : closed.

2018-08-01T07:08:49.701Z| vcpu-0| I125: DISKLIB-VMFS  : "/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test-flat.vmdk" : open successful (24) size = 118111600640, hd = 244402575. Type 3

2018-08-01T07:08:49.701Z| vcpu-0| I125: DISKLIB-DSCPTR: Opened [0]: "OwnCloud-test-flat.vmdk" (0x18)

2018-08-01T07:08:49.701Z| vcpu-0| I125: DISKLIB-LINK  : Opened '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk' (0x18): vmfs, 83886080 sectors / 40 GB.

2018-08-01T07:08:49.701Z| vcpu-0| I125: DISKLIB-LIB   : Opened "/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk" (flags 0x18, type vmfs).

2018-08-01T07:08:49.701Z| vcpu-0| I125: DISKLIB-LIB   : Growing disk '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk' : createType = vmfs

2018-08-01T07:08:49.701Z| vcpu-0| I125: DISKLIB-LIB   : Growing disk '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk' : capacity = 83886080 sectors - 40 GB

2018-08-01T07:08:49.701Z| vcpu-0| I125: DISKLIB-LIB   : Growing disk '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk' : new capacity = 314572800 sectors - 150 GB

2018-08-01T07:08:49.958Z| vcpu-0| I125: OBJLIB-FILEBE : FileBEIoctl: ioctl operation IOCTLCMD_VMFS_SET_FILE_LENGTH(3004) failed on '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test-flat.vmdk' : No space left on device (1835010)

2018-08-01T07:08:49.958Z| vcpu-0| I125: DISKLIB-LINK  : Failed to grow/create '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test-flat.vmdk'

2018-08-01T07:08:49.958Z| vcpu-0| I125+ .DISKLIB-LIB   : Unable to grow disk '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk' : There is not enough space on the file system for the selected operation (13).

2018-08-01T07:08:49.958Z| vcpu-0| I125: DISKLIB-LIB   : Unable to grow disk '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk' : There is not enough space on the file system for the selected operation (13).

2018-08-01T07:08:49.958Z| vcpu-0| I125: DISKLIB-LIB   : Failed to grow disk '/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test.vmdk' : There is not enough space on the file system for the selected operation (13).

2018-08-01T07:08:49.958Z| vcpu-0| I125: DISKLIB-VMFS  : "/vmfs/volumes/58ecf795-841d1fce-1171-901b0e828a40/OwnCloud-test/OwnCloud-test-flat.vmdk" : closed.

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AlyushinVladisl
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if i run df, i see:

Filesystem     Bytes      Used Available Use% Mounted on
NFS      52078608384   14675062784   37403545600  28% /vmfs/volumes/PCD7711_NFS
VMFS-5  2912524697601020264448  290232205312   0% /vmfs/volumes/datastore2
VMFS-5 1099243192320 10961939333123049259008 100% /vmfs/volumes/VMW-Vol1_DX440
VMFS-5 2198754820096  943426895872 1255327924224  43% /vmfs/volumes/CUCM-vmw
vfat       299712512 216743936  82968576  72% /vmfs/volumes/58be94dd-6140d702-6e16-901b0e828de0
vfat       261853184 162996224  98856960  62% /vmfs/volumes/a3e9d37e-9cae6dab-b680-cf3fccc1bd30
vfat      4293591040 2388131844054777856   6% /vmfs/volumes/58be94f2-f124e78c-87d3-901b0e828de0
vfat       261853184 158744576 103108608  61% /vmfs/volumes/709f2a7a-3607418c-fbd6-c6e009068e7d

but in GUI i see 1Tb free space

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Vijay2027
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Could you do a rescan from GUI??

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AlyushinVladisl
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Do you mean refresh capacity information?

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Vijay2027
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df -h shows 0% available space ryt.

Would it be possible to expand the LUN from storage array and expand the datastore?

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SupreetK
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1) Directly login to the host (on which the affected VM is running) and check the free space available.

2) If there is free space shown even on the host directly, try to expand the disk from the host connection.

3) If it fails even from the host, there is high chance that the backend pool on the storage has run out of free space.

Please consider marking this answer as "correct" or "helpful" if you think your questions have been answered.

Cheers,

Supreet

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AlyushinVladisl
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Early we expanded the LUN from storage array and expanded the datastore from GUI. In GUI i see free 1Tb

1.png

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AlyushinVladisl
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One node see right size. I migrate VM on this node and change hdd size, then i migrate back vm and other node see right size of Lun too. Thanks all for help!

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vijayrana968
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What is the total size of VM?

What is the size of Memory ?

What is size in GB/TB you are extending by ?

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