Cross-cluster migration : PVE version required

Y

YvainP

New Member
Dec 11, 2025
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1
Bordeaux
Hi,
I upgraded my PDM to version 1.0.1 and I'm looking for a compatibility matrix for cross-cluster migration.
What are the required PVE8 and PVE9 versions?
Is it possible to migrate from a PVE8 cluster to a PVE9 cluster?

Currently, I'm seeing this error message in the Target Storage dropdown box:
"Error: api error (status = 400: api returned unexpected data - failed to parse api response)"
 
Last edited:
hi,

there is no compatibility matrix currently, but migrations from pve8 to pve9 should be working
just make sure that both are fully up to date (with respect to the major version)

YvainP said:
Currently, I'm seeing this error message in the Target Storage dropdown box:
"Error: api error (status = 400: api returned unexpected data - failed to parse api response)"
Click to expand...

can you post the output of

Code: 
pvesh get /nodes/NODENAME/storage --enabled 1 --format 1 --content images --output-format json-pretty
?

the error message indicates that pdm cannot parse some values returned by the PVE cluster (which would indicate our types/schema not matching up with reality)
 
Hi,
Here is the output on one node :

YAML: 
  WARNING: Cannot find matching striped segment for VG_B1PSR1_L003_PVE_RCT003/vm-346-disk-3.
[
   {
      "active" : 1,
      "avail" : 72026902682927104,
      "content" : "iso,images",
      "enabled" : 1,
      "format" : [
         {
            "qcow2" : 1,
            "raw" : 1,
            "vmdk" : 1
         },
         "raw"
      ],
      "shared" : 1,
      "storage" : "NFS-9K",
      "total" : 7.20575940379279e+16,
      "type" : "nfs",
      "used" : 30691355000832,
      "used_fraction" : 0.000425928112235852
   },
   {
      "active" : 1,
      "avail" : 1775964782592,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L006_PVE_RCT006",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 7020124045312,
      "used_fraction" : 0.798096083686869
   },
   {
      "active" : 1,
      "avail" : 2241968734208,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L001_PVE_RCT001",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6554120093696,
      "used_fraction" : 0.745117542799732
   },
   {
      "active" : 1,
      "avail" : 332371474986,
      "content" : "rootdir,images",
      "enabled" : 1,
      "shared" : 0,
      "storage" : "local-lvm",
      "total" : 343110844416,
      "type" : "lvmthin",
      "used" : 10739369430,
      "used_fraction" : 0.0312999999993565
   },
   {
      "active" : 1,
      "avail" : 7845827313664,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L011_PVE_RCT011",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 950261514240,
      "used_fraction" : 0.108032278076304
   },
   {
      "active" : 1,
      "avail" : 8522284662784,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA3_L252_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 273804165120,
      "used_fraction" : 0.0311279445304606
   },
   {
      "active" : 1,
      "avail" : 2873328926720,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L002_PVE_RCT002",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 5922759901184,
      "used_fraction" : 0.673340164823611
   },
   {
      "active" : 1,
      "avail" : 1815693230080,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L005_PVE_RCT005",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6980395597824,
      "used_fraction" : 0.793579479970684
   },
   {
      "active" : 1,
      "avail" : 2268803891200,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L004_PVE_RCT004",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6527284936704,
      "used_fraction" : 0.742066737206811
   },
   {
      "active" : 1,
      "avail" : 2294582083584,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L008_PVE_RCT008",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6501506744320,
      "used_fraction" : 0.739136094635055
   },
   {
      "active" : 1,
      "avail" : 2744479907840,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L010_PVE_RCT010",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6051608920064,
      "used_fraction" : 0.687988609308533
   },
   {
      "active" : 1,
      "avail" : 8022994714624,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L013_PVE_RCT013",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 773094113280,
      "used_fraction" : 0.0878906669095358
   },
   {
      "active" : 1,
      "avail" : 7555917021184,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA3_L253_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 1240171806720,
      "used_fraction" : 0.14099127816738
   },
   {
      "active" : 1,
      "avail" : 7754559258624,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L014_PVE_RCT014",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 1041529569280,
      "used_fraction" : 0.118408259586458
   },
   {
      "active" : 1,
      "avail" : 6848321159168,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L015_PVE_RCT015",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 1947767668736,
      "used_fraction" : 0.221435652463747
   },
   {
      "active" : 1,
      "avail" : 6343662501888,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L012_PVE_RCT012",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 2452426326016,
      "used_fraction" : 0.278808726696361
   },
   {
      "active" : 1,
      "avail" : 3100962193408,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L007_PVE_RCT007",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 5695126634496,
      "used_fraction" : 0.647461246233581
   },
   {
      "active" : 1,
      "avail" : 2539395219456,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L003_PVE_RCT003",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6256693608448,
      "used_fraction" : 0.711304050113702
   },
   {
      "active" : 1,
      "avail" : 3087003549696,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L009_PVE_RCT009",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 5709085278208,
      "used_fraction" : 0.649048161052781
   }
]

And the output on another node from another cluster :


YAML: 
[
   {
      "active" : 1,
      "avail" : 2244116217856,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L252_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6551972610048,
      "used_fraction" : 0.744873402058316
   },
   {
      "active" : 1,
      "avail" : 1947763474432,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L253_RCT",
      "total" : 8589930397696,
      "type" : "lvm",
      "used" : 6642166923264,
      "used_fraction" : 0.773250377563661
   },
   {
      "active" : 1,
      "avail" : 1929509863424,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L251_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6866578964480,
      "used_fraction" : 0.780640020675669
   },
   {
      "active" : 1,
      "avail" : 2093792362496,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L250_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6702296465408,
      "used_fraction" : 0.761963253957393
   },
   {
      "active" : 1,
      "avail" : 1846831742976,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L001_PVE2_RCT001",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6949257084928,
      "used_fraction" : 0.790039439220161
   },
   {
      "active" : 1,
      "avail" : 1990713147392,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L243_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6805375680512,
      "used_fraction" : 0.773682009545331
   },
   {
      "active" : 1,
      "avail" : 4709427445760,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L242_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 4086661382144,
      "used_fraction" : 0.464599830913463
   },
   {
      "active" : 1,
      "avail" : 2049768947712,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L008_PVE2_RCT008",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6746319880192,
      "used_fraction" : 0.766968139156408
   },
   {
      "active" : 1,
      "avail" : 2020777918464,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L006_PVE2_RCT006",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6775310909440,
      "used_fraction" : 0.770264039165516
   },
   {
      "active" : 1,
      "avail" : 1970312052736,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L003_PVE2_RCT003",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6825776775168,
      "used_fraction" : 0.776001346588777
   },
   {
      "active" : 1,
      "avail" : 2039031529472,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L244_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6757057298432,
      "used_fraction" : 0.768188842863485
   },
   {
      "active" : 1,
      "avail" : 1973533278208,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L249_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6822555549696,
      "used_fraction" : 0.775635135476654
   },
   {
      "active" : 1,
      "avail" : 72026902682927104,
      "content" : "images,iso",
      "enabled" : 1,
      "format" : [
         {
            "qcow2" : 1,
            "raw" : 1,
            "vmdk" : 1
         },
         "raw"
      ],
      "shared" : 1,
      "storage" : "NFS-9K",
      "total" : 7.20575940379279e+16,
      "type" : "nfs",
      "used" : 30691355000832,
      "used_fraction" : 0.000425928112235852
   },
   {
      "active" : 1,
      "avail" : 1876896514048,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L246_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6919192313856,
      "used_fraction" : 0.786621468840346
   },
   {
      "active" : 1,
      "avail" : 1816766971904,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L002_PVE2_RCT002",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6979321856000,
      "used_fraction" : 0.793457409599976
   },
   {
      "active" : 1,
      "avail" : 343110844416,
      "content" : "rootdir,images",
      "enabled" : 1,
      "shared" : 0,
      "storage" : "local-lvm",
      "total" : 343110844416,
      "type" : "lvmthin",
      "used" : 0,
      "used_fraction" : 0
   },
   {
      "active" : 1,
      "avail" : 1966017085440,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L247_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6830071742464,
      "used_fraction" : 0.776489628071608
   },
   {
      "active" : 1,
      "avail" : 1986418180096,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L005_PVE2_RCT005",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6809670647808,
      "used_fraction" : 0.774170291028162
   },
   {
      "active" : 1,
      "avail" : 1949910958080,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L007_PVE2_RCT007",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6846177869824,
      "used_fraction" : 0.778320683632223
   },
   {
      "active" : 1,
      "avail" : 1946689732608,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L248_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6849399095296,
      "used_fraction" : 0.778686894744346
   },
   {
      "active" : 1,
      "avail" : 1814619488256,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_L004_PVE2_RCT004",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6981469339648,
      "used_fraction" : 0.793701550341392
   },
   {
      "active" : 1,
      "avail" : 7946460430336,
      "content" : "images",
      "enabled" : 1,
      "format" : [
         {
            "qcow2" : 1,
            "raw" : 1,
            "subvol" : 1,
            "vmdk" : 1
         },
         "raw"
      ],
      "shared" : 0,
      "storage" : "BLCK-MIGRATION",
      "total" : 8793955991552,
      "type" : "dir",
      "used" : 847495561216,
      "used_fraction" : 0.0963725042552129
   },
   {
      "active" : 1,
      "avail" : 1954742796288,
      "content" : "images",
      "enabled" : 1,
      "shared" : 1,
      "storage" : "B1PSR1_PRA4_L245_RCT",
      "total" : 8796088827904,
      "type" : "lvm",
      "used" : 6841346031616,
      "used_fraction" : 0.777771366964038
   }
]

And attached is my version table
 

Attachments

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